Affordable Spy Equipment


Sold over 6000! transmitters
in the last 10 years



Whole House FM

All our FM Transmitters are NOT FOR SALE in the UK


Make your very own FM transmitter ! AND HAVE LOTS OF FUN

Our very popular FM Bug Kit

Our high quality FM transmitter electronic kit

Excellent performance in a very compact package.

A 3 stage FM Transmitter

Very easy to construct kit


PLEASE NOTE: You will need a soldering iron, some solder, wire cutters ,and some
experience to construct this kit .

All the 24 parts



The above picture is kit when completed

Place this anywhere you'd like to monitor , like in a room in your house the
garden etc etc and the sensitive little onboard mic will do the listening for you.

You can tune it anywhere between 88 to 108MHz in the FM band,
then you can find it with a regular FM hand radio up to 400ft ,
in testing we got over 800ft transmission range
when using our car FM radio!

PLEASE NOTE:  It is your duty to obey the laws of your country.

Some countries do not allow any unlicensed FM transitions, even short range ones such as these.


The above picture is the full FM transmitter kit , comes with a 7 page manual

You will need good general soldering skills to make this
bug transmitter.

PCB is 43mm x 27mm in size

Comes with the above very high quality circuit board ,bottom view.

Top view of the circuit board


This FM Transmitter uses a 3-transistor circuit making it robust and very reliable.

Can be received on a standard FM or air band radio

Highly sensitive built-in electret microphone

User adjustable transmitting frequency (just requires a small screwdriver)


What is in the Kit????

You receive the parts required to complete the project as depicted in the product pictures

(1)   A pack of all the components for the FM transmitter

(2)   Printed circuit board \very high quality

3)   Detailed assembly instructions

(4)   An introduction to how all the parts work on a FM transmitter

(5)   Schematic diagrams and circuit explanations



Supply: 3 volts
Current consumption: 10-12mA
Battery life: 220 hours alkaline (2x AA)
Tuning range: 88 - 108MHz fine tune by adjusting the air trimmer
Antenna length:

ONLY 43mm x 27mm in size

This transmitter is not a PLL transmitter (phase-locked loop)
so moving the wire antenna will move the frequency just a very little
but with the antenna left in place the frequency will hold
rock solid
for hours and days depending on state of battery


You will need a soldering iron, some solder, wire cutters ,and preferably some experience to construct this kit.



This FM transmitter is sold for experimental and laboratory use only.
Their possession and use are limited by laws which vary from country to country.
Please get information about what you can and cannot do in your area and stay within the legal limits.
Make sure you do not become a nuisance to others with your experiments.
We have no responsibility whatsoever for any misuse of your FM transmitter.


We accept the following forms of payment


    Secure Online Payments with PayPal

   Online Orders

You can order directly online using your PayPal™ account.

Paypal allows you to transfer funds using virtually any form of credit or debit card.
Simply use the PayPal purchase button to complete your purchase.

If you don't have a PayPal account it only takes a few minutes to setup.


Now ONLY 8.99

Postage Cost is fixed at 3.50


PLEASE NOTE:  It is your duty to obey the laws of your country.

Before you order: Please get information about what you can and cannot do when using FM Transmitters in your  country and stay within the legal limits.



TO ORDER Click here > > 


Your order will be sent out same day we get your payment



We will replace any device determined to have manufacturer defects within the first 12 months.

*The Warranty guarantees the operation of the product according to manufacturer's specifications when purchased. If the product fails to operate correctly upon first use, a post-paid envelope will be issued for the return of the defective device. All returned devices will be thoroughly examined to determine cause of failure so that we may gather data to produce better products. If it is determined that the unit was not damaged by misuse or negligence, the device will be replaced free of charge.



Items will be shipped to you from our UK office via the stated method of shipping*. The following is a guideline of typical delivery times:

  • USA: 7-14 working days
  • Canada: 7-14 working days
  • Outside North America: 10-14 working days  
  • Asia: 10-16 working days
  • Australia: 10-16 working days
  • Note:  NO delivery to UK or EU

Sold over 6000! transmitters in the last 3 years ,and you can see why when we sell at this very low price


Please use with your best ethical and legal discretion, as it's designed for educational purposes (no one likes an eavesdropper).

This unit is sold for novelty purposes only and the seller does not recommend or encourage
the end user to use it for anything other than its intended use in your own house.




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The FM Transmitter Team