FM and UHF spy bugs, compact voice recorders and matching receivers. Real product demonstrations. Clear specifications. Direct support from Alex.
Live transmission · Separate UHF receiver required
MEET THE DEVICESpy-IL5Miniature UHF transmitter$45.99 ↗Selling on eBay since 2001 — 25 years in 2026. Choose where you feel comfortable buying. Explore the models available in our eBay store, and read customer feedback directly on eBay before you decide.
Transmit live, record for later, or match a receiver.
Live FM audio. Match the receiver to your transmitter’s frequency.
Explore →02Compact UHF transmitters with receiver requirements explained on every card.
Explore →03Choose an FM or UHF kit with its matching receiver. Check included accessories.
Explore →04Record audio to internal memory, without a separate live radio receiver.
Explore →05Find the right frequency coverage. FM and UHF are different systems.
Explore →Six starting points from our 13-model collection.
See all 13 products →
FM Spy Bug & Receiver Kit · Up to 700 m
Rechargeable UHF Spy Bug · Up to 700 m
Extended-Band FM Receiver · Tune Below 88 MHz
A transmitter sends audio to a matching receiver. A recorder saves it internally. Start with how you want to listen.
Find your setup →I’m Alex. Spy-IL grew from my lifelong interest in radio electronics. I personally carry out final assembly, adjustment and testing of my own transmitter models.
Read the Spy-IL story →Ask Alex before you choose. FM and UHF need different receivers.