Virtual Electronics Museum
Bell & Howell SK-8A Covert Recorder:
T-784/GRC-109 Transmitter:
Mohawk BR-1 Midgetape Recorder:
R-390A/URR Military Communications Receiver:
Iraqi PRC-638 Backpack Tranceiver:
HP LAJ-1 Audio Oscillator:
Commercial Blue Box (Trunk Tester):