RF Parameter Value Remark Working frequency 850

125~930

125 MHz Default: 900

125MHz Transmitting power 22 dBm Max

Power (160mW) Receiving sensitivity -138 dBm - Air data rate 0

3k~62

5kbps - Test distance 5000m In open and clear air, with maximum power, 5dBi antenna gain, height of 2m Hardware Parameter Value Remark Size 16 * 26 mm Antenna type IPEX / Stamp hole Communication interface UART Package SMD Electronic parameter Min

Typ

Max

Unit Condition Power supply 3

3 5 5

5 V Communication level 3 3

3 5

2 V Transmitting current 120 133 146 mA 22dBm（160mW） Receiving current 10 11 12 mA Sleep current 422 469 516 nA Operating temperature -40 20 85 ℃ Operating humidity 10 60 90 % Storage temperature -40 20 125 ℃