Order from Amazon:
Mass qty order inquiry: info@cooltech-hk.com
Frequency band: L:398-525MHz, H:803-930MHz
Transmitting power:10dBm~20dBm
Receiving sensitivity-138.5dBm@0.268Kbps
Transmission distance:3500 meters.
Test condition: Open area, clear weather, 20dBm transmitting power, 5dBi antenna gain, height is greater than 2 meters, 0.268K air rate.
Antenna:SMA
Data interface:Serial port: Support RS232/RS485.
Baud rate: 1200bps~115200bps
Working voltage:5V~36V
Working current Transmitting current: 45mA@12V.
Standby mode: 12mA@12V.
Working temperature:-30℃~+80℃
Storage temperature: -45℃~+90℃
Working humidity:10~90%RH
Storage humidity:10~90%RH