RF Parameter Value Remark Working frequency 850

125~930

125 MHz Support ISM band Transmitting power 30 dBm Max

Power (1W) Receiving sensitivity -148 dBm Air data rate is 2

4kbps Air data rate 0

3k~62

5kbps Controlled via user's programming Test distance 10000m Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2

5m，air data rate: 2

4kbps Hardware Parameter Value Remark Size 40

5 * 25 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 ≥5

0 V ensures output power Communication level - 3

3 - V For 5V TTL, it may be at risk of burning down Transmitting current - 133 - mA Instant power consumption Receiving current - 11 - mA Sleep current - 469 - μA Software is shut down Operating temperature -40 20 85 ℃ Operating humidity 10 60 90 % Storage temperature -40 20 125 ℃