New Product & New Version 5W FM Radio Station Transmitter TX-99A Package Content : FM Transmitter (TX-99A) Power supply Antenna (antenna cable is included) Audio cable Specifications: 88MHz ~ 108 MHz Tuning Step: 100kHz Transmit Power: 5 watts Stability of Frequency: ±10ppm ( -10 ℃ to +50 ℃ ) Ripple or harmonic waves: <= -60dB Modulate Frequency error:<=Less than ±75KHz Freq. Response: 100~15000Hz Antenna Connector: BNC type Audio Input Connector: 3.5mm headphone connector Power Supply: 12V DC (The current load of the power supply should over 2A)