4. Detailed specification
Transmission frequency: 2402 ~ 2480 MHz
Number of channels: 40 channels
Operating Voltage: DC 3.7 V
Size: 30 mm X 35 mm X 0.8 mm
Temperature, humidity range: -20 ℃ ~ + 70 ℃
Communication system: repeated Shin way
Modulation: GFSK
