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. Accessories and cables are also available. See Related products at the bottom of this page.
The R-442/VRC is supplied in good working order Grade 2. Accessories and cables are also available. See Related products at the bottom of this page.
| R-442/VRC Specifications: | |
| Frequency range | 30.00 to 75.95 MHz |
| Channel spacing | 50 kHz |
| Number of Channels | 920 Channels |
| Mode of Operation | Voice frequency modulated (FM) |
| Receiver stability | Crystal controlled, + 3.5 kHz of nominal frequency |
| Receiver Sensitivity | 0.5 ?V for 10 dB (S+N+D)/(N+D) for 8.0 kHz deviation |
| Circuit | Super-heterodyne single conversion |
| Image Rejection | Greater than 85 dB |
| IF Bandwidth | 32 kHz minimum @ 6 dB. 85 kHz maximum @ 60 dB |
| Squelch | 150-Hz tone-operated or noise-operated, with RF signal having 10 dB (S+N+D)/(N+D) ratio |
| Limiting | Less than 1 dB change in audio output for RF input from 1 ?V to 100,000 ?V |
| Distortion | Less than 8% from 500 to 3000 Hertz |
| Audio Output | 500 mW into 600-Ohm speaker 150 mW into 600-Ohm headphone |
| Volume Control | Adjustable from less than 0.25 mW to 1.0 W maximum |
| Operating Temperature | -40?C to +65?C (-40?F to +14?F) |
| Power Requirement | 24-28 VDC @0.75A |
| Dimensions | 6H x 5W x 13D. (15.2 cm x 12.7 cm x 33 cm). |
| Weight | 18.5 lbs. (8.4 kg). |
