Mini UHF Wireless Audio Transmitter Mic Module – 700m Range – Long Battery Life for Sale

Recent Threads

On eBay Now...

Mini UHF Wireless Audio Transmitter Mic Module – 700m Range – Long Battery Life For Sale

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.

Mini UHF Wireless Audio Transmitter Mic Module – 700m Range – Long Battery Life:
$69.99

Spy equipment from Israel

Spy-IL

Warning! The buyer is solely responsible for the legality of using this device in their country. We sell it for educational purposes only!

Attention! Not for sale in Israel !!!

Professional UHF spy bug with a fixed stable frequency

Up to 700 m range • Up to 120 hours of operation!

Crystal-clear signal with no interference. A sensitive microphone picks up even a faint whisper.
Operating range up to 700 meters in a straight line in open areasand up to 120 hours of operation in standby mode.
Made in Israel • Based on technologies used by security services

700 mMaximum range
in open areas 120 hUp to 120 hours
in standby mode 12 hUp to 12 hours
in transmission mode 20 mmCircuit board
diameter PRODUCT OVERVIEWA closer look at the transmitter

A sensitive electret microphone and UHF transmitter in a compact assembly with a built-in holder for two CR2032 batteries.

Designed and made in Israel. Each unit is tested and tuned before shipping.

Receiver not included. A compatible receiver must be purchased separately.Watch the product in action ↑
The walkthrough video and additional product images are at the top of this listing. FIXED FREQUENCYYour frequency is marked on the box

The transmitter operates at a fixed frequency within the 400–470 MHz UHF range.

The exact operating frequency is handwritten on the lid of the supplied plastic storage box.

Use a compatible receiver tuned to the frequency marked on your transmitter’s box. POWER SUPPLYTwo CR2032 batteries.
Ready for an initial test.

The transmitter uses two CR2032 3 V lithium batteries. Two batteries are included free of charge for testing on delivery.

Battery quality affects operating time. Use high-quality CR2032 batteries for best performance.

Standby and transmission are different modes.
Up to 120 hours in standby; up to 12 hours while transmitting. OPERATING MODESOne switch. Two positions. 01 / STANDBYSwitch to “1”

Insert the two batteries and move the switch to the “1” position to enter standby mode.

02 / TRANSMISSIONSwitch to “ON”

Move the switch from “1” to “ON” to start transmitting. Transmission begins immediately.

ANTENNAFlexible and compact

The antenna is designed for the transmitter’s specified frequency. It is approximately 15 cm (6 inches) long, using shielded antenna wire with a 0.8 mm diameter.

Its thin, flexible construction helps keep the assembly compact.

MOUNTINGSimple adhesive mounting

The small circuit board and short antenna allow the transmitter to be mounted using double-sided adhesive tape.

Its compact size makes it suitable for installations where space is limited.

AT A GLANCETechnical specifications Frequency range400–470 MHz UHF; fixed operating frequency marked on the box Operating range500–700 m in open areas Standby timeUp to 120 hours Transmission timeUp to 12 hours Power supplyTwo CR2032 3 V lithium batteries Battery holderBuilt-in holder for two 20 mm cells Board diameter20 mm MicrophoneHigh-sensitivity electret microphone; specified pickup area up to 100 m² AntennaApproximately 15 cm long; 0.8 mm wire diameter Included with your purchase

UHF transmitter with built-in battery holder and antenna
Two CR2032 batteries for an initial test
Plastic storage box marked with the operating frequency

Receiver sold separately

This listing is for the transmitter. A receiver is not included.

See the receiver listing below for a separate purchase.

COMPLETE YOUR SETUPNeed a receiver?

A compatible UHF receiver is required to listen to this microphone.

The receiver is available separately from our listing. Click the receiver icon to view the details and purchase it on .

The receiver is NOT included in the package and must be purchased separately.

Click the icon 👆

Additional Information

* Detailed technical information, extended specifications, usage guides, and educational materials related to this product are available on the official Spy-IL website.

* Search online for Spy-IL official website to learn more about our technology, background, and support resources.

* Spy-IL is an independent engineering brand focused on compact radio-frequency devices and educational RF technology.

Thank you for your interest in our product!