|
|
|
|
|
|
Military spy radio set
- this page is a stub
AN/PRC-5 is a portable medium-range shortwave
spy radio transceiver,
developed around 1944 by the US Military Intelligence Service and manufactured
at Herbach and Rademan (H&R) in Philadelphia (USA) [3].
Powered directly from the 110/220V AC mains, it was intended for use
in urban areas by the US military intelligence service and US
Special Forces (SF). The device was used in the latter part of
World War II (WWII) and during the first years
of the Cold War, at least until 1956.
|
|
The device is housed in a compact plywood suitcase, covered with
varnished tan fabric with a few chocolate-brown stripes. The lid
gives access to the controls and connections, whilst the accessories
and spare parts are stowed behind a hinged side panel. Suitcases like
this were quite common during WWII and allowed the agent to
travel inconspiculously.
|
|
|
Device Spy radio set Purpose Agent to Centre communication Model AN/PRC-5 Developer US Military Intelligence Service Manufacturer Herbach and Rademan (H&R), Philadelphia (USA) Users US Army military intelligence, Special Forces (SF) Year 1944 Country USA Crystals 6 (later: 26) Coils 4 (type B, C, D, D) Dimensions 279 × 254 × 105 mm Weight 11.3 kg Antenna 50 m wire
|
Type Superheterodyne Frequency 4.5 - 16 MHz Ranges 2 (4.5-8 MHz, 8-16 MHz) Valves 2 × 6SK7, 6SA7, 6SR7, 6N7 Circuits RF, Mixer/Osc, IF, Detector/BFO, AF IF 455 kHz Modulation AM R/T, CW Output High impedance (headphones, no transformer)
|
Type Crystal controlled Frequency 4 - 16 MHz Ranges 4 (B: 4-6 MHz, C: 6-8 MHz, D: 8-12 MHz, D': 12-16 MHz) Valves 6V6, 6L6 Circuits Crystal oscillator, RF power amplifier (PA) Modulation CW only Output 16 W (f1), 10 W (f2)
|
Mains 110 or 220V AC, 50-60 Hz (switch selectable) Valve 5Z4 rectifier Consumption RX: 46 W, TX: 84 W (key down)
|
- AC mains plug adapters
- FT-243 type crystals
- HS-30 headphones with CD-605 cord (with transformer)
- J-47 morse key with CD-201-A cord 1
- 4 transmitter plug-in coils
- 50 metre antenna wire
- 2 ceramic isolators
- Operating instructions (manual)
- Spare parts
|
- 4635 kHz
- 5263 kHz
- 5925 kHz
- 6525 kHz
- 7150 kHz
- 7825 kHz
|
| Frequency | Oscillator | Oscillator coil | RF output coil |
|
|
| 4-6 MHz | 4-6 MHz | C (24 wdg) | B (32 wdg) |
| 6-8 MHz | 6-8 MHz | D (14 wdg) | C (24 wdg) |
| 8-12 MHz | 4-6 MHz | C (24 wdg) | D (14 wdg) |
| 12-16 MHz | 6-8 MHz | D (14 wdg) | D (14 wdg) |
|
|
The following items are currently missing from the PRC-5 in our collection:
|
- Three plug-in coils
- Headphones HS-30
- Original manual
|
|
|
|
Any links shown in red are currently unavailable.
If you like the information on this website, why not make a donation?
© Crypto Museum. Created: Tuesday 03 October 2023. Last changed: Tuesday, 20 October 2026 - 09:56 CET.
|
 |
|
|
|
|
