Use distance 100 meters (no obstacles)
Frequency range 640-690MHz
RF generation method PLL
Modulation method FM(F3E)
RF bandwidth 50MHz
Frequency number 200 (250KHz interval)
Signal-to-noise ratio >98dB
Dynamic range >100dB
Distortion <0.5%
Audio frequency response 50Hz-18KHz
Operating temperature -18℃-50℃
Frequency synchronization method Infrared frequency binding
receiver
Receiving mode: super inner difference secondary frequency conversion
First IF 110.6MHz
Second IF 10.7MHz
Sensitivity -105dBM(20dB SINAD)
Squelch mode: noise, field strength, digital pilot
Keyboard lock Yes
Engineering lock switch times (automatically once every 24 hours)
transmitter
RF frequency accuracy ±5PPM
Nominal frequency offset 25KHz (1KHz 100mV)
Maximum frequency deviation 45KHz
Harmonics -50dBc
Transmit power 20mW
Working wave ＜120mA
Power supply mode AA 1.5V*2
Smart sensing accelerometer + gyroscope
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