Please note:

The package does not include power supply(DC12V3A/4A power socket2.1 )

You can buy it here:

Power supply:  

complete set 7W KIT:  https://www.ebay.com/itm/184684876605

Tracking number will be provided after shipment
Power supply voltage: DC-12V3A /4A

Frequency range: 76~ 108Mhz

Frequency Step value: 100kHz

Frequency stabilization way: PLL

Frequency stability: ± 10 ppm (-10 ° C +60 ° C )

Frequency Modulation: ? ± 75kHz (100%)

Work methods: continuous work

Clutter and Harmonic: less than-60dB

SNR: ? 60dB

Stereo separation:-50dB

Audio frequency response: 20 to 15000Hz

Audio distortion: <2%

Modulation: 15%

Input Level:-15dBV (adjustable)

RF output impedance: 50 Ohm

RF output power: 1/7W (Two power can choose)You can easily switch between them according to the instructions on the package

Antenna output type:BNC(If you need the TNC interface, please leave a message)


Note:
* Connect antenna first ,then connect the power supply, otherwise, transmitter will be burned out.
* Select an unused FM station in your area.
* Packing not included power supply and Antenna.

               Packing included listing:
               1XST-7C TNC  FM Transmitter

               1X small antenna