Ultrastable UHF transmitter - A super Tiny Radio Transmitter

Dire situations require unpleasant solutions, an excellent example of this statement is spying and we have

Ultrastable microsized Audio transmitter spy bug

UHF Receiver Pocket Size For All UHF Transmitters

Sound Devices A20-TX Digital Wireless Transmitter

Spy Bug Transmitter Kit Long Range Guaranteed

Emisoras VHF-UHF para vehículos - Handytron

Simplest ever surveillance FM transmitter 45MHz to 650MHz

Finally an inexpensive FrSky-Compatible transmitter! This beginner transmitter uses plastic gimbals, and won't give you as much control as the more

TINY X8 FrSky-compatible Radio Transmitter

SSE 5000 UHF Range 2 Portable Radio Service Manual

TR-3201, Low temperature data logger

Airborne Satellite CNS Systems and Networks

RF323: UHF Radio Transceiver