Shop by Department

Retekess TR505 FM Transmitter Long Range 0-25 Watts Broadcast - 5 km Range^ (TR505)
Model #: TR505|UPC #: 794604977195

The TR505 FM broadcast transmitter has 0-25 Watts continuously adjustable power, TF card player, supports USB sound card input, and has an OLED display.

Save $202
Reg. $899.99

Sale Ends: 2021-05-23
Free Shipping!

Add To Cart

Shop In-Person at Stores
Purchase Online and Have Item Shipped
Purchase Online and Pickup In-store

Pay with Flexiti at checkout and finance your purchase with 12 equal monthly payments and 0% interest. *Estimate $67 /month +taxes Learn More

The TR505 FM broadcast transmitter has 0-25 Watts continuously adjustable power, TF card player, supports USB sound card input, and has an OLED display.

FM transmitter applications

Professional broadcasting, Museums, Tourist Attractions, Zoos & Theme Parks, Cruise Ships, Buses, Schools, Meetings, Lectures, Employee Training, Hotels and Resorts, Educational Institutions, Theaters, Government Agencies

Real FM Broadcast Station

  • FM transmitter +Power + Telescopic antenna + Audio line
  • OLED display
  • 180-degree wide field of vision
  • High contrast
  • 0-25 Watts continuously adjustable transmit power
  • the most transmission distance of 4-5 km (2.4-3.1 mi) in the open air
  • Frequency range: 87.5~108 MHz
  • Frequency step: 100Khz
  • Frequency response: 50Hz~15000Hz
  • Antenna connector type:TNC

FM long range transmitter

The motherboard has a next-generation integrated NC FM stereo radio transmitter chip, built-in PLL frequency, and high power which supports long distance.

FM radio station broadcast crystal sound quality

Comes with TF card player, support lossless format FLAC/WAV, TF card playback, support to display song name, sound mode, cycle mode settings

Supports USB sound card input to avoid the interference of audio line input; Supports dynamic microphone, reverb, delays, parameter settings, Support reader mode. Insert the data cable to connect to a computer, where you can directly edit the TF card inserted in the machine.

PC control

Connect to your computer via Micro USB, plus the supporting intelligent broadcast software supports a variety of preset broadcasts, regular fixed-frequency playback of specified audio and document broadcasts, etc.

Ideal for small radio broadcast station for churches, you can adjust the transmission power from 0- 20 watts, and this unit supports TF cards. The maximum transmission distance up to 5 km (3.1 mi).

RF output power 0~25W
Audio distortion 0.3%
Antenna connector type TNC
Input Voltage 100~240V 50/60Hz
Output Power DC 12V 5A


Licensing maybe required in your area to operate a FM transmitter please check with your local Industry Canada office before using.

For additional information on the Department's rules on LPFMs, please contact your local Industry Canada district office.

Publications on Industry Canada's rules and the database for broadcasting stations in Canada can be downloaded from the following website:

• TR505 25 Watts FM Broadcast Transmitter
• 100~240V Power Supply
• Magnet sucker with 8m cable
• Antenna
• Audio cable
• Instructions for use
  • Product Parts Warranty: 1 Year Limited
  • Product Labour Warranty: 1 Year Limited


Width:5.91 inches
Height:2.28 inches
Depth:7.87 inches
Weight:2.09 pounds