Frequency range: 640-690MHz
Channel resolution: 25kHz
Debugging method: WFM
Transmission power: 15dB
Maximum frequency offset: 50kHz
Pilot mode: Enhanced Digital BPSK Pilot
Frequency response: 20HZ-20KHZ
Total harmonic distortion THD: 0.5%
Power consumption:<350MW>12 hours
Working temperature: -30 ° C to 70 ° C
Working voltage: 3V (AA1.5V battery * 2)