Note: The parcel haven't including power supply . Please purchase local DC12V3A( DC12V4A can also ) power supply and power socket 2.1 You can buy it from my shop. The package will be shipped from China and the delivery time is about 12 days, If you use express shipping service, the delivery time is about 7 days Power supply: https://www.ebay.com/itm/184365151672 Power input interface DC2.1 Power supply voltage: DC-12V3A OR DC12V4A 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 gear power can choose) You can easily switch between the two by using the instruction manual on the package Unit dimensions: length of 180mm, 120mm width, and height of 45mm ATTENTION: Never power on the transmitter for a long time when an antenna is not connected. Packing included: 1XST-7C 7W FM Transmitter 1Xsmall antenna
Returns Accepted for this item if it's within 30 Days