ZXTOP 1/set 1W/7W FM broadcast transmitter radio station audio converter with TNC

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Model Number
Brand Name
Frequency range:
76 ~ 108Mhz
Frequency response:
40KHz ~ 15KHz ± 0.2dB (stereo)
RF output power:
1W / 7W ( power can be switched)
Reference working distance:
1Km-5Km (in the ipen air)
power supply
12V 2A
Car Make

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1/set 1W/7W FM Stereo broadcast radio FM transmitter station audio converter + small antenna


    This FM stereo transmitter, using advance modulation system and Phase Lock Loop to control a steady frequency when  transmitting.New invented low noise system is used to reduce the noise level during broadcasting time. A digital stereo  system is used and control the stereo separation at great condition.with a high gain antenna ,it can easy broadcast  anywhere you want, home , apartment ,church , school , club, camping , backyard ,resident village.This Broadcast Package  is plug and Play design, very easy to use , as you could see. you could use it at instant.so you really could enjoy the stereo transmitter!
ST-7C using advanced modulation system and  built-in PLL frequency, audio pre-emphasis, limiter, and low-pass filter circuit.



  • Power supply: DC12V2A
  • Frequency range: 76 ~ 108Mhz
  • Frequency Step: 0.1MHz
  • Frequency stabilization mode: PLL frequency synthesizer
  • Modulation: FM stereo
  • Deviation: +/- 75KHz
  • Pre-emphasis Delay: 50us
  • Stereo separation: -45dB (5000Hz ~ 15000Hz)
  • Frequency response: 40KHz ~ 15KHz ± 0.2dB (stereo)
  • Distortion: <0.3%
  • Modulation: 15%
  • Input Level: -15dBV
  • RF output impedance: 50Ω
  • RF output power: 1W / 7W ( power can be switched)
  • Reference working distance: 1Km-5Km 
  • Weight: 0.45KG
  • Dimensions: 128 * 94 * 55mm (L*W*H,excluding protrusions)
  • ‚ÄčConnector : TNC





* Connect antenna first ,then connect the power supply, otherwise, transmitter will be burned out.
* Select an unused FM station in your area. 
* Packing  included the small Antenna,and you can buy the power supply in your local.

3-package included_SD

  Package contents  


  •       1 X ST-7C FM transmitter
  •       1 X small antenna
  •       1 X use manual




FM broadcast transmitter for radio station


Connector : TNC


Antenna : 360 angle can be changeable











Shipping CompanyShipping CostEstimated Delivery Time
DHL3 - 7 days
UPS Expedited3 - 7 days
EMS5 - 14 days
Post Air MailFree Shipping15 - 45 days
Return PolicyIf the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.

N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller ServiceOn-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).