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374 results found. Show results 251 - 300

Products

P-126 Receiver/Transmitter
The Russian P-126 is a small short range VHF FM transceiver. Manufactured in 1962 it is a ruggedly constructed light weight battery operated radio. It was used by Russian and East German Army's as a manpack set for short range Platoon to Company communications.
£105.00 (Approximately US$ 134.40)
P-147N Receiver
The Russian P-147N is a very small 4 channel Crystal Controlled short range VHF FM receiver. It was used as a manpack set for Platoon communications. Frequency range 44.0-51.8MHz in 100kHz. 100kHz channel spacing. Fully transistorised with thick film technology. Powered by 6-7.5V rechargeable battery or external 9V dry batteries. Sizes 58 * 45 * 126mm.
£95.00 (Approximately US$ 121.60)
P-158 Receiver/Transmitter
The Russian P-158 is a fully transistorised short range VHF FM transceiver. It was used as a manpack set for Platoon to Company communications. Frequency range 30.000-79.975MHz, channel spacing 25kHz. Modulation FM R/T. Output power is approximately 2 Watts. Powered by a rechargeable battery.
P-323 Receiver
Russian P-323 is a self-contained triple conversion VHF communications receiver using miniature tubes. Manufactured in the late 50's, it was used either as a manpack or fitted in to vehicles for intercept and monitoring purposes. AM, CW and FM. Frequency range 20-100 MHz in four bands. Continuously tuneable within the band it has a unique mechanical projection tuning scale were the frequency read-out is projected optically on to a glass screen. The receiver is powered by two 1.2V rechargeable batteries fitted in a compartment at the back or by external AC Power Supply for 110-220 VAC operation.
P-326 Receiver
Russian P-326 is a self-contained HF communications receiver using miniature tubes. Manufactured in the late 50's, it was used either as a manpack or fitted in to vehicles for intercept and monitoring purposes. AM and CW. Frequency range 1-20 MHz in six bands. Continuously tuneable within the band it has a unique mechanical projection tuning scale were the frequency read-out is projected optically on to a glass screen. The receiver is powered by two 1.2V rechargeable batteries fitted in a compartment at the back or by external AC Power Supply for 110-220 VAC operation.
P-407M Receiver/Transmitter
The Russian P-407M is a single channel full duplex 2 or 4 wire radio-relay station using tubes. Frequency range 52-60MHz, channel spacing 50kHz. Modulation FM R/T. Output Power 1 Watt. AF bandwidth 0.3-3.4 kHz. Ringing tone 30-50Hz. Powered by two 2.4V rechargeable batteries.
P-809M2 Receiver/Transmitter
The Russian P-809M2 is a fully transistorised portable Ground to Air VHF AM transceiver. Frequency range 100-149.975 MHz in 25kHz steps, channel spacing 25kHz. Modulation AM. Output power is approximately 0.5 Watt. Powered by 12V rechargeable battery or AC power supply.
Passive Oscilloscope Probe Type M-12X1
The Oscilloscope Probe Type M-12X1 is a miniature X1 passive probe intended for use with a wide range of oscilloscopes. These probes were manufactured to the highest specification in England for use in the military workshops and have a NATO Stock Number Z4-6625-99-726-2877. The probes modular construction facilitates simple field replacement of the major parts (see dismantling section below). The probe is supplied Brand New with a complete range of accessories.
£10.00 (Approximately US$ 12.80)
Personal Locator Beacon type ARI23237/1
Made by PYE Dynamics Limited, in England the Personal Locator Beacon type ARI23237/1 was mainly used by military pilots.

A personal locator beacon is a device that when activated automatically transmits a signal on a internationally monitored frequency. This emergency frequency is constantly monitored and should a beacon be heard, help is sent out to locate and rescue the person in trouble. That said the authorities would be extremely annoyed if the unit is activated by unauthorised people and for no good reason.

The PYE ARI23237/1 provides distress beacon and two way voice communications facilities on the 243 & 282.80 MHz military distress bands.

A rotary switch on top of the unit selects power on/off, Distress & Auxiliary Channels. The Auxiliary channel is on 282.80 MHz and is Speech only. The distress channel is on 243 MHZ and is the automatic Beacon or Speech. A volume control and a push button self test facility are also provided. The unit is powered by a 12 Volt battery not available and has a transmitting range of 3Km.

The unit is supplied in good looking condition with-out any accessories. The pull cords, battery, antenna or a manual are not available. Dimensions: 80mm x 90mm x 35mm, Weight: 0.5 Kg. NSN: 5821-99-630-9247.
Phillips RT-4600 30 Watt VHF Transceiver
The Phillips PRC/VRC-4600 family of modular radio equipment is designed to be very configurable and can easily be adapted to different roles by adding or removing units. The RT-4600 is the successor to the successful RT-3600 family of radio equipment and was in service with the Dutch army during 1980-1990?s.

The equipment consists of a number of basic units which can be combined into various configurations, ranging from a simple low powered man-pack to a complex 30 Watt vehicle or Tank configuration as well as radio repeater roles. Various configurations make for greater tactical flexibility.Duplex working, retransmission, intercom, telegraph facsimile, medium speed data transmission, are all possible with this radio station depending to the units used. Advanced circuitry, rugged and 100% solid state construction assures easy, reliable and trouble-free operation under severe combat operations.
Plessey PTR-1751 Airborne UHF/AM Transceiver
The PTR1751 is lightweight UHF military airborne transceiver designed to provide air-to-air and air-to-ground communications under severe electrical and environmental conditions. Used by RAF, British Army and Royal Navy, it is suitable for use in all types of helicopter and fixed-wind aircraft, and is intended primarily for air traffic control, but this role can be extended with optional extras to include homing and continuous AM reception on the international distress frequency of 243 MHz. The PTR1751 operates over the 225 to 399.975 MHz frequency range and provides 7000 channels at 25 kHz intervals throughout the range. The channel spacing is 50 kHz with 25 kHz spacing available as an option. The power output is 10 or 20 W minimum, under all conditions of operation. Part Number: 630/1/37851/119, Nato Number: 5821-99-778-7570. Weight 8Kg.
Portable Heterodyne Wave Meter Class D No.1 MkII /1
Self contained portable field instrument for calibration of British W.W.II. radio receivers and transmitters such as Wireless Set No. 18,19, etc. to a given frequency. Manufactured in 1943. Frequency range 1.9-8 Mhz in two ranges. Powered by external 6V battery. Accuracy +/- 2kHz. Supplied in good condition and includes Transit Case No. 7 and accessories.
PP-112/GRC 24 VDC Supply
For RT-66, RT-67, RT-68 transceivers provide all the voltages from 24 VDC @6.5 Amp input.
PRC-10 Receiver/Transmitter
Radio set AN/PRC-10, frequency range 38.0 to 54.9 MHz, Super-Heterodyne FM Receiver / Transmitter. Man-Pack or Vehicular fixed station operation.1 Watt transmitter Output. Uses 16 miniature wire ended tubes. Power requirements 1.5V, 6V, 67.5V, 135V powered by BA-279 battery.

The AN/PRC-10 is part of a family of radios AN/PRC-8, AN/PRC-9, and AN/PRC-10 which were used as a squad radio by US Army in Korea and Vietnam Wars and by many NATO countries. Made in USA in 1950's and 60's, each radio had a different frequency range.

AN/PRC-8 >>>> 20.0 to 27.9 MHz
AN/PRC-9 >>>> 27.0 to 38.9 MHz
AN/PRC-10 >>>> 38.0 to 54.9 MHz

The PRC-10 is supplied in good working condition Grade 2 with the Battery Box, but no other accessories. H-33/PT Handset is available separately.
PRC-316 DC Power Supply
Power Supply for the British PRC-316 radio. It powers the radio from 12VDC. NATO Part Number 5820-99-106-2476.
PRC-349 External PSU Connector
The Power supply connector / adaptor for the PRC-349. Fits as a normal battery pack and allows the radio to be connected to an external 12 VDC PSU or battery. NATO Part Number 6625-99-649-5584. Supplied in New condition.
PRC-349 Module 5
PRC-349 brand new spare Discriminator Module number 5. NATO Part Number 5820-99-643-8404.
£12.50 (Approximately US$ 16.00)
PRC-6 Crystal Pair
Crystals for the American PRC-6 sold as matched pairs. (No choice on Frequency).
£16.50 (Approximately US$ 21.12)
PRC-6/6 Crystal Storage Box
Empty crystal storage box for the German PRC-6/6.
PRC-6/6 Miniature Tube Set
Spare Tubes for the German PRC-6/6 radio. This set include the following miniature tubes in new condition.4* DF61, 2* 1AD4, 1* 5672, 1* 5678, 1* 6397. Total 9 tubes.
£43.50 (Approximately US$ 55.68)
PRC-600 RT-601 Man Pack HF Radio
Similar to a PRC-2000 Made by M.B.L.E. HF Transmitter / Receiver, USB, NBCW, CW, AM, Fully synthesised, Mobile back-pack radio, has rechargeable batteries 14.4 Volts, or external power. Supplied with back pack harness, remote control with cable, batteries, hand set and antenna.
PRC-68 U.S. Marine Corps Radio
The AN/PRC-68 was first introduced in the 1970's and was used by the U.S. Marine Corps. The radio is a small lightweight hand held device working in the VHF frequency band of 30-79.95 Mhz. Frequency Synthesizer operation with ten preset channels that can be programmed using internal selector switches. The design was so successful that it lead to the development of other radios in the series such as PRC-PRC-126, PRC-128 and PRC-136. The PRC-68 is probably the first military radio to use a Synthesizer Chip and is completely solid state and has built in battery saving features. Using discrete components and a modular construction the radio is easy to serviced.

The radio has a built in speaker / Microphone, Volume control and Squelch facility. External audio connector is also provided to allow operation with a H-138, H-139 and H-250 Handsets. The radio can be used with a short or long antenna and operates from a 15 Volt battery not available.

The PRC-68 radio is supplied in good working condition Grade 2 and includes the carry pouch and short antenna.

Specifications:
Frequency Range: 30.000 MHz - 79.95 MHz
Available Channels: 1000 possible Channels, 50 Khz steps
Minimum Channel Spacing: 50 kHz
Preset Channels: 10 Channels
Modulation: Frequency Modulation (FM)
Power Output: 1 Watt
Frequency Control: Built-in Synthesizer
Frequency Stability: 0.005 percent
Sensitivity: 0.5 microvolts for 10 dB SINAD
Squelch: Carrier operated, also sends out 150Hz tone
Operating Temperature: -40 C to +65 C
Weight with Battery: 1.3 kg
Size: 212 x 96 x 38.6 mm
Approximate Range: 2 Km with long antenna, 500 meters with short antenna
PRC-77 Back-Pack VHF Radio
The AN/PRC-77 is a light weight Synthesised VHF man-pack radio. Solid state construction with 2 Watts power output. The radio provides 920 channels in 2 VHF frequency bands 30-52.95 MHz, and 53-75.95 MHz FM. These PRC-77 Radios have a channel spacing of 25 KHz. Requires 12.5-15 Volts DC @800 ma. Frequency selection by front panel knobs, frequency display by digital mechanical read-out.

The radio is supplied in good tested condition and includes the battery box with D Size Battery Adapter, but no other accessories!
£275.00 (Approximately US$ 352.00)
PRC-77 Parts and Modules, NOS New Old Stock Original American Parts
Here we have a bunch of PRC-77 Modules and spare parts. These are all in NOS New Old Stock condition and are original American made parts made by Napco and Associated Industries & Equipment in USA. Once these parts are gone, that's it, there would be no more available.

Below is a list of the PRC-77 modules and the quantities available. These modules are for bulk purchase only, they are not available in single units. Please email for prices and details.
PRC-9 Receiver/Transmitter
Radio set AN/PRC-9, frequency range 27.0 to 38.9 MHz, Super-Heterodyne FM Receiver / Transmitter. Man-Pack or Vehicular fixed station operation.1 Watt transmitter Output. Uses 16 miniature wire ended tubes. Power requirements 1.5V, 6V, 67.5V, 135V powered by BA-279 battery.

The AN/PRC-9 is part of a family of radios AN/PRC-8, AN/PRC-9, and AN/PRC-10 which were used as a squad radio by US Army in Korea and Vietnam Wars and by many NATO countries. Made in USA in 1950's and 60's, each radio had a different frequency range.

AN/PRC-8 >>>> 20.0 to 27.9 MHz
AN/PRC-9 >>>> 27.0 to 38.9 MHz
AN/PRC-10 >>>> 38.0 to 54.9 MHz

These PRC-9's are supplied in good complete untested condition Grade 3 with a Battery Box which may be slightly corroded. No other accessories is supplied with the radio set. The H-33/PT Handset, antenna rod may be available separately.
PRC6-6 German Six Channel Receiver - Transmitter
Six channel German Army version of American PRC-6 radio. The PRC-6/6 is a portable VHF radio with a operational Frequency of 47-55.4 MHz, FM, 250 mw Output, uses miniature tubes, crystal controlled, requires 1.5,45, and 90VDC to operate. Supplied complete in good working order with Canvas Strap, Tape Antenna and one crystal.
Pressure Indicator
These were removed from British Military aircraft's. They indicate pressure in PSI (Pounds per Square Inch) and the scale is market from 20 to 0 X100, with the indicator needle starting at 20.
£22.50 (Approximately US$ 28.80)
R-1051B HF Communications Receiver
From the mid 1960's through to the 1990's the R-1051 and its variants were the HF receiver of the choice for the U.S. NAVY. Easy to operate it was the work horses of every ships radio room. The receiver was used in all Navy ships from patrol boats through to carriers. With its amazing stability, it was tune and forget!

R-1051B Radio receiver, frequency range 2-30 MHz, 2-4 microvolt sensitivity, direct digital frequency synthesis, 0.1 KHz tuning increments, modes of operation USB, LSB, ISB, AM and FSK. Bandwidths: 3.1 and 6 KHz depending to operating mode. Operates from 115 VAC 48-450 Hz 55 Watt. Made in USA by General dynamics.

The R-1051B is a Triple conversion Superheterodyne HF receiver. Solid state construction except for two 6BZ6 tubes, which are used as the RF amplifiers in the front end delivering excellent performance and immunity to signal overload. The receiver is isolated against signal leakage to prevent enemy detection of the local oscillators.

The frequency selection is done by turning mechanical decade knobs. The Mhz stage is tuned by an internal motor. Frequency stability is 1X10-8 per day! The B model has a 100 Hz synthesizer which can be unlock for accurate tuning.

The receiver is supplied tested and operational Grade 2. Grade 3 Untested may also be available, please E-Mail for details.

R-1051B Receiver Specifications:
Frequency Range: 2.0 to 29.9999 MHz in 0.1 kHz increments
Receiver Type: Triple conversion Superheterodyne
Frequency Stability: 1 part in 10 to the 8th power per day
Frequency Accuracy: plus or minus 0.5 Hz at 5 MHz
Modes of Operation: LSB, USB, ISB, AM, CW, and FSK
Sensitivity: 1 uV for 10 dB (S + N / N) in SSB mode, 2 uV in CW and FSK modes, and 4 uV in AM mode
Receiver IF: First IF 20 or 30 MHz, second IF 2.85 MHz, third IF 500 KHz
IF Rejection: -75 dB
Image rejection: -80 dB
Bandwidth: SSB, 3.2 KHz, AM and CW, 7 KHz
Antenna: 50 ohm impedance
Power Consumption: 55 watts
Power Requirements: 115 VAC 48-450 Hz
Audio output: 60 mV (minimum) into 600 ohm balanced, two local headsets connections
£375.00 (Approximately US$ 480.00)
R-1155 W.W.II. Lancaster Bomber Receiver
The R-1155 was the standard radio Receiver installation in W.W.II Lancaster bombers. Used by the British Royal Air Force. The receiver was used to provide communications, direction finding and homing functions. Using 10 tubes, it was the companion receiver to a T-1154 Transmitter.
R-216, R-209 Head Set
Part Number ZA-28659, has 2 Pin rubber plug. Intended for use with British R-216, R-209, and other similar radios.
£25.00 (Approximately US$ 32.00)
R-234 HF SSB Radio Receiver
The R-234 is a high frequency HF
R-390 Radio Receiver
0.5-32 Mhz, thirty-two 1Mhz bands, mechanical digital dial, PTO, AM/CW, bandwidths: 0.1/1/2/4/8/16 kHz (0.1&1 xtal, others mech), 7&9 pin tubes, dual audio chains, single RF stage, 125 ohm balanced antenna input with twin axial or unbalanced with C connector, rack mount 10.5 high.
R-392 HF Receiver
The R-392/URR is the perfect HF Ham Radio receiver for everyday use. It is built to high US military specification to withstand battlefield conditions. A very sensitive HF receiver for the amateur radio enthusiasts who likes to operate the proper old fashioned way. It tunes SSB very easily and sounds great on AM!

R-392 Basic Specifications
Frequency Range: 0.5-32 MHz
Operating Voltage: 24-28 VDC
Size: (W*H*D): 283*293*365 mm
Modes of Operation: AM/CW
Current Drain: 3 Amps Max
Bandwidth: 2, 4 and 8 KHz
Impedance: 50 Ohms

The R-392/URR is the little brother of the famous Collins R-390 receiver, it is designed by Collins and built under licence by a number of manufactures including Collins Radio Company, Philco Corporation, Western Electric and Stewart Warner.The R-392/URR is essentially a R-390 that is re-packaged in a water resistant case. It is ruggerised and is made more compact than the standard R-390 for use in military vehicles and field command posts.It operates from 24-28 Volt DC @ 3 Amps. The radio is very silent in operation as it does not use any vibrators, dynamotors or other noisy voltage converters. The R-392/URR Receiver provides continuous tuning and covers 0.5-32 MHz in 32 bands. AM, CW (Voice or Tone) and SSB using BFO for product detection, Three Bandwidth settings 2, 4 and 8 KHz. Calibration points is provided every 100 kHz throughout its range. The radio can be used as a stand alone receiver or as part of a two-way radio set with a T-195 Transmitter. This configuration was called the GRC-19.

Front Panel Controls:
Function Switch (Off, Stand-By, Normal, Limiter, Net and Squelch), Mechanical Digital Tuning Dial, Carrier Level Meter, Megahertz Control, Kilohertz Control, RF Gain-Squelch Threshold Control, AF Gain Control, Antenna Trimmer Control, BFO Control, BFO Pitch Control, AGC Switch, Dial Zero Control, Dial Lock Control, Bandwidth Switch, Dial Dimmer Switch.

Front Panel Connectors:
One IF and two Audio Connectors, one BNC Antenna Connector and one push-on Antenna Connector, Power Connector (Power Pins A & D +24VDC, Pin E is Ground).

The R-392 HF Receiver is supplied tested and working with a LS-166 Loud-Speaker and a reproduction Operators Manual.
R-4 Receiver
1.5 - 12.5 Mhz, with PSU.
£225.00 (Approximately US$ 288.00)
R-442/VRC VHF Vehicle Radio Receiver For M-151 Mutt Jeep, Humvee
The R-442/VRC is a VHF FM radio receiver working in the 30-75.95 MHz range and has 920 channels.This receiver is part of AN/VRC-12 vehicle radio station, typically used in M151 Truck, Utility: ?-Ton, 4x4 Mutt Jeeps series of vehicles as well as in older Humvee's and Tanks. The radio can be used on its own as a VHF receiver or with the RT-524 as auxiliary receiver. The radio receiver operates from 24-28 VDC @0.75A.

The R-442/VRC is supplied in good working order Grade 2. Some accessories and cables are also available.
£225.00 (Approximately US$ 288.00)
RA-250 Modern Style Clansman Hand Set
The RA-250 is the modern style Clansman Hand Set. Has Clansman 7-Pin Audio Plug. Can be used with all Clansman radio equipment such as PRC-319, PRC-320, PRC-344, PRC-349, PRC-350, PRC-351, PRC-351M, PRC-352. It also works with Clansman vehicle radio sets such as VRC-321, VRC-322, VRC-353.

The handset is made from impact resistant olive drab or black plastic and is water resistant with a Push to Talk Switch. Supplied in Grade 2 tested and working condition.
RA-400 Cougar Fist Microphone
The RA-400 Speaker/Microphone is made from impact resistant black plastic. The unit is water resistant with a Push to Talk Switch and Antenna socket. The Lead has Antenna plug and 7 Pin Clansman Audio Plug. The unit is designed to provide reliable two-way communications with a wide range of PMR, handheld radios and communication systems, including the Cougar secure radio system, and Clansman Radio Equipment that has a 7 pin Audio Connector. The microphone's design is optimised for hand-held operation and for minimum inconvenience to the user's clothing when in stand-by mode. The RA400 is supplied with an earphone socket, Ear Piece not Supplied enabling discrete reception of incoming signals. The case includes a spring steel clothing clip.
RA-440 Throat Microphone Element Single Transducer Type (Black)
The single transducer type comprises two moulded housings, which are hinged in front of the throat. The leather microphone pads align to the contours of the throat for maximum comfort in use. This assembly is attached to an elastic neck strap incorporating a safety release feature. Although twin housings are mounted on the neckband, only one is fitted with a microphone transducer, the other being a dummy unit. The transducer is a high quality moving iron magnetic type.

Specifications: Transducer type: moving iron. Sensitivity (into 150 ohms load): -51dB nominal re 1V for normal speech. Impedance: 155 ohms ?20% at 800Hz. Frequency response: rising to approx. 2.5kHz for higher intelligibility. Noise exclusion: a white noise sound field of 120dB produces an electrical output 6dB less than the speech output quoted.
£12.50 (Approximately US$ 16.00)
Racal Antenna Wire Element Plastic Spool
Made by Racal Antennas Ltd. in England. Designed to be slung over a tree or similar object, for quick basic antenna for a radio set. Wire and stays are wound onto a Plastic Spool. NSN: 5820-99-117-7440. Available in used condition.
Racal Clansman Hand Set
Clansman Hand Set , has Clansman 6 pin Audio Plug. Used with British 931 Syncal 30, A-14, and other similar radio sets with Clansman 6 pin Audio Plug.
Racal Clansman Head Set
Part Number 5965-99-222-3783. Head Set , has Clansman 6 pin Audio Plug. Used with British 931 Syncal 30, and other similar radios with Clansman 6 pin Audio Plug.
Racal Clansman Head Set and Microphone
Clansman Head Set and Microphone, a comfortable to wear headset that was designed primary for in vehicle use. Has Clansman 7 pin Audio Plug.

Works with Clansman vehicle harness and radios such as VRC-321, VRC-322, VRC-353 as well as man-pack radios such as Clansman PRC-319, PRC-320, PRC-344, PRC-349, PRC-350, PRC-351, PRC-351M, PRC-352.

The headset requires a Pressel Switch Box Assembly Push To Talk Switch which is not supplied but is available separately. NSN: 5965-99-661-6806.
Racal Clansman Head Set and Microphone
Head Set and Microphone, has Clansman 7 pin Audio Plug. Modern version of above. Works with most Racal Clansman radio equipment with Clansman 7 pin Audio Plug.
Racal Clansman Head Set and Throat Microphone
Part Number 5965-99-901-2377. Head Set and Throat Microphone with Clansman 7 Pin Audio Plug. Lead has a Push to Talk Switch. Intended for use with British PRC-349 and other similar radios with Clansman 7 pin Audio Plug.
Racal Clansman Light Weight Head Set and Microphone
Clansman Light weight Head Set and Microphone, a very comfortable and light weight headset to wear for extended period. They were designed primary for man-pack radio use. Has Clansman 7 pin Audio Plug.

Works with Clansman man-pack radios such as Clansman PRC-319, PRC-320, PRC-344, PRC-349, PRC-350, PRC-351, PRC-351M, PRC-352. Also works with-in the Clansman vehicle harness and Clansman vehicle mounted radios such as VRC-321, VRC-322, VRC-353.

The headset requires a Pressel Switch Box Assembly Push To Talk Switch which is not supplied but is available separately. NSN: 5965-99-661-6806.
Racal MA-1723 HF Drive Unit
The Racal MA-1723 HF drive unit is the companion to the RA-1792 receiver. frequency range 1 to 29.9999 MHz. LSB, USB, ISB, Key, AM, CW, RTTY. The MA-1723 is supplied basically tested.
Racal MA-4224 Audio Encryption Unit
Voice encryption unit for the Racal TRA-931 Syncal 30 and similar Racal radio sets.
Racal MA-4230A Morse Encoder and Racal MA-4231 Morse Decoder
These Racal MA-4230A Morse Encoder Unit and the Racal MA-4231 Morse Decoder Unit were originally made by Racal for Iraqi Army before the Gulf War and have Arabic letters on the keypad.

The units are supplied as a pair, one MA-4230A Morse Encoder and one MA-4231 Morse Decoder and in very good condition, like new.

The MA-4230A Morse Encoder Unit enables a message to be transmitted in Morse code. The Morse message is entered using an alpha-numeric keyboard therefore no knowledge of the Morse code is necessary to operate the unit. The MA-4231 Morse Decoder decodes the Morse code being received and displays it one letter at the time on its red dot matrix display or sends it to a printer. Both units are powered by an internal rechargeable battery which provides approximately 16 hours use without recharging. The case fully sealed and waterproof.

Message entry is done via the keyboard which contains forty three Arabic alpha-numeric tactile keys, including SP space and seven function keys. Three indicators are provided showing when power is available, data is being emitted, and when the store is nearly full. The power indicator extinguishes when the battery voltage is low, and when the unit is switched off.

1024 character, non-volatile electronic memory Message store, Normal Transmission speed of 15 w.p.m. and High Speed 120 w.p.m. Keyed Tone Data output - Normal frequency: 1.0kHz. Amplitude: 20mV ? 3dB from 300 source. Contact closure Data output - normal speed only Contact rating 0.5A max.

£125.00 (Approximately US$ 160.00)
Racal MA-934 Battery
The MA-934 battery is used with the Racal TRA-931 Syncal 30 and some other Racal radios. 24 Volts output. The battery is made up of standard D type rechargeable battery cells. The MA-934 battery is supplied in used condition and the cells would probably be dead. The battery case can easily be taken apart for cell replacement.
Racal MA-968B Battery Cassette for the Racal TRA-967 Radio Set
This is the Racal MA-968B Battery Cassette for the Racal TRA-967 VHF Radio Set.
These Battery Cassettes take 10* standard or rechargeable "C" sized batteries to power the radio set and is also fuse protected and simply clips on to the bottom of the TRA-967 radio set. These MA-968B Battery Cassettes are supplied in brand new condition, NOS. Available in limited numbers, batteries not included!
£28.50 (Approximately US$ 36.48)