2pcs 7W CZH-7C FM stereo PLL transmitter broadcast


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Features :
Phase Lock Loop (PLL) System
Easily choose your frequency LCD and buttons
Freq range :88MHz~108MHz
Power :1.5w OR 7w
Ripple or harmonic waves: <= -60dB
Tuning Step : 100khz
Stability of Frequency: ±5ppm Less than 10ppm ( better system)
Freq. Response:  -55dB(100~5000Hz); -45dB(5000 ~ 15000Hz )
Audio Input Connector: 3.5mm headphone connector
Microphone jack;it can be connected wih the microphone
BNC Type antenna output
Reduced harmonic ( clean signal )

Package Include:

2 X 7w FM transmitter(not include antenna and power supply)

  Connect antenna first before connecting transmitter to DC supply, otherwise, transmitter will be burned out.

  To set the transmit power, push the power button down and hold it then connect DC supply at the same time. When the LCD screen starts to display H or L, press “+” or “-” button to switch between H and L. “H” stands for 7w, L stands for 1.5W.


How far(long) the transmitter cover?

The transmission range depends on many factors. The true distance is based on the sensitivity of the receiver, antenna of the receiver, and the building and other obstructions, which are between the transmitter and receiver. And the distance will much more in countryside.


I have a USA customer use 5W fm transmitter with GP antenna in his hometown ,and he test it with a car ,it cover 10km(6.21mile).

I test the 5W fm transmitter with GP antenna in my hometown ,it cover about 2km(1.24mile).

I test the 5W fm transmitter with GP antenna in Guangzhou city ,it cover about only 300meter(984ft).

Add to Cart:

  • Model: SH460400
  • Shipping Weight: 70 gram