Retekess FT11 Transmitters (x2) and PR13 Receivers (x50)


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Retekess FT11 Portable FM Broadcast transmitter with MIC (x2) and PR13 FM Radio Receiver (x50)


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Transmission distance:
  • Support 3 levels of power can be adjusted, in a relatively open place, the maximum transmission distance is 100 meters.
  • Very suitable for meeting rooms, classrooms, training institutions and other places
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Long standby time:
  • The transmitter has a built-in high-capacity polymer lithium battery that can be recharged and has a long battery life.
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One-to-many broadcast mode
  • An FM transmitter can match N FM receivers, and the sound of the transmitter can be received as long as the frequency is the same.
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One second link:
  • The transmitting frequency is adjustable between 76-108MHz, and the receiver can be adjusted to the same frequency, then the signal can be received.
Portable Meeting System:
  • Both the transmitter and the receiver are equipped with lanyards, which are small and light, easy to carry without burden.
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Solution Introduction:
This simultaneous interpretation solution is achieved as follow: the voices are transmitted via transmitter's(FT11) microphone to interpreters and corresponding listeners equipped with receiver( PR13). Then they are interpreted into different languages and transferred to receiving apparatus(PR13) by means of transmitter's microphones outfitted for relative audience's listening.

Application Scene:
This simultaneous interpretation solution caters for following event: forum speech, academic exchange, product launch, business celebration and so on, depending on product specifications and features.

Solution Features:

  • To recommend utilization on a small meeting
  • Operating range: max. 100 m (indoor)
  • Portable apparatus, making it convenient to carry and conserve
  • very easy to set and operate
  • Slim, making it comfortable to wear
  • Composition of simultaneous interpretation solution: transmitter + receiver 

Note: If this solution cannot meet your demand, please contact our Customer Care Center and we will customize your product according to your requirements.

Reminder: Please inform us of your application scene, environment, product quantity and other relative information in order to provide better service for you.

Main Product Specifications:

Channel Number 5 CH
Frequency increase 0.1MHz
Pre-emphasis 50us/75us
Output impedance 50 ohm
SNR >=70dB
Frequency response 30Hz~15000Hz
Support mp3 format FLAC, WAV, WMA, MP3
Support memory card Max 32GB
Power Built-in 1500mAh polymer lithium battery
Working hours 6-8 hours
Charge DC 5V 1A, Micro USB jack
Size 99 x 58 x 15mm / 3.9 x 2.2 x 0.6 in
Weight 80g / 0.17lb
Sensitivity <3.5uV
Signal to noise ratio 45db
Stereo separation 32dB
Power supply 2 x AAA batteries (not included)
Earphone jack 3.5mm
Tuning increase 0.1MHz
Built-in speaker No
Dimension 92 x 54 x 15mm / 3.6 x 2.1x 0.6in
Weight 40g / 0.09lb
 Package Include:
  • 2X Transmitter
  • 50X Receiver
  • 50X In-ear earphone
  • 52X Lanyard
  • 2X USB charging cable
  • 2X Wired microphone
  • Hand strip
  • English manual


Retekess FT11 Transmitters (x2) and PR13 Receivers (x50)