This stereo FM transmitter can easily build a FM radio station for car/home/meeting This one have a beautiful aluminum alloy cover (Color: Silvery / Black). Frequency range: 88MHz ~ 108.0 MHz Tuning Step: 100kHz Transmit Power: 0.5 Watts(Cover about 500meters) Stability of Frequency:±10ppm ( -10 ℃ to +50 ℃ ) Frequency drift <= 1KHz Ripple or harmonic waves: <= -60dB Modulate Frequency error:<=Less than ±75KHz Freq. Response: 100~15000Hz Antenna output impedance: 50 OM Antenna Connector: BNC type headphone connector Stereo separation :-55 dB (100-5000Hz); Power Supply: 12V DC (The current load of power supply should over 1A) The power supply and antenna are included in this item!! What you get will be what you see!