Check the listing for details. 1/7W Ham Radio Transmitters Wireless Stereo FM Transmitter. Condition: New. Listed at 109.99 USD. Technical Parameter: 1.Power Output:1-1.7Watt/5-6Watt 2.FM Transmitter Frequencies:76-108Mhz 3.Tuning Step:100Khz/0.1Mhz 4.Power Supply:12V DC (The current load of power supply should over 2A) 5.Stability of Frequency:±0ppm（-10℃~+50℃） 6.Frequency Response:100 - 15000Hz 7.Signal to Noise Ratio:>70dB 8.Distortion:< 0.5% 9.Operation Time: True24/7 10.Antenna Design:Rubber Antenna(1Watt) / GP Antenna(1Watt/7Watt) 11.Antenna Connector: TNC type 12.Output Impedance: 50 ohm 13.Audio Input Connector:3.5mm headphone connector 14.Mic Input Connector:3.5mm headphone connector (Use condenser microphone) 15.Tuning Design: Stable PLL Technology 16.Size of Transmitter Unit: L:129mm, W:96mm, H:55mm 17.Weight of Transmitter Unit:450g 18.Transmission Signal:FM Stereo Product Feature: *Equipment using advanced modulation system and built-in PLL frequency, audio pre-emphasis,limiter,and low-pass filter circuit. *The Control circuit board design and amplifier design to reduce noise, so sound quality is even better. *Well-shielded, compact structure, small size, generous appearance, plug and play, very easy to use. Package includes: 1*FM Transmitter(Black) 1*Telescopic antenna 1*Power Supply 1* Audio Cable