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Micro Earpiece UHF Receiver/ In-ear Prompter
ID: MRF400-A
Price: EUR 450

Beige UHF in-ear prompter - new type of spy earpiece !

UHF FM spy Micro Earpiece in-ear RF Receiver/Prompter

Invented and made by us, this spy earpiece receiver was designed to cover the disadvantages of the induction micro earpiece.

This kind of micro earpiece is used by the politicians, secret agents, like the FBI and CIA agents, security guards. It shouldn't be missing in any covert mission!

The spy Micro earpiece FM receiver is the smallest RF receiver in the world, hiding completely in the ear canal, which makes the communication completely invisible and covert. It can be used as a wireless in-ear prompter for conferencies, presentations, speeches, exams, interviews, reporters and others.

spy micro earpiece - nothing to hide

           NOTHING TO HIDE !

Key benefits:

  • This wireless RF spy Micro earpiece FM receiver is able to receive the radio signal from a distance of up to 500 m, completely wireless from a FM transceiver
  • No neckloop needed! No accessory on your body!
  • Undetectable for any detector!
  • Non jamming by any phone jammers!
  • No interference with any electromagnetic fields!
  • No billing for your conversations
  • Instant communication, without waiting calls or conditioned by the phone network
  • Secret communication! your conversation will not be taped by phone operators and no leads to your location
  • The matterial from which the Micro earpiece FM receiver is made from, has the following properties: Break resistant, hypoallergenic and bio-compatible.

Pushing the battery out of the spy micro earpiece

What is it for:

This covert communication system can be used in various situations, like public speeches, TV presenter speaking, surveillance, presentations or to cheat on the hardest exams.

How it works:

If you need to have a covert communication, all you have to do is to put the spy earpiece into your ear canal, in order to hear the information from your partner. Your partner can be at a distance of up to 1000 meters in open field, or less (in a building area). It doesn't need any wires, neck-loop or other accessories on your body, which makes it the Champ of all the earpieces.

Technical specification for the spy Micro Earpiece FM Receiver:

Dimensions: 16 mm x 9 x 7
Receiver mod: narrow-band RF receiver
Frequency: fixed UHF FM, crystal quartz controlled - 432-468 MHz and 144-156 MHz at request
Receiver typology: superheterodyne
Audio response: 200 Hz - ~4500 Hz
Audio signal output: 94 dB
Noise filter: soft squelch
Sensitivity: SINAD 17 dB @ E=2mV/m
Channel selectivity: 49 dB (at 200 kHz channel spacing)
Antenna: magnetic, integrated
Spurious emissions: below -51 dBm ERP
Distortion: 5% (depends on the volume )
Weight: 1.5 g (with battery)
Battery autonomy: operational time up to 48 h
Current consumption: 1.8 mA
Type of battery: zinc air A10
Working distance: 500 m, in open space

The Micro earpiece FM receiver is being delivered with 1 battery.

Image gallery:

spy earpiece UHF receiver in-ear prompter in-ear receiver UHF

Related products:

Spy pen transmitter

Black Champ spy wireless earpiece

Two-way covert communication