RF Parameter Value Remark Working frequency 862~893 MHz Default: 868MHz Transmitting power 21~30 dBm Default: 30dBm（ About 1W ） Receiving sensitivity -147 dBm Air data rate: 0

3kbps Air data rate 0

3k~19

2kbps Default: 2

4kbps Test distance 8000 meter In open and clear air, with maximum power, 5dBi antenna gain, height of 2m, air data rate: 2

4kbps Hardware Parameter Value Remark Size 25 * 40

3 mm Antenna type IPX/Stamp hole Communication interface UART Baud rate: 1200~115200, default: 9600 Package SMD Buffer 512 bytes buffer Automatically sub-packaging with 58 bytes per package Electronic parameter Min

Typ

Max

Unit Condition Power supply 3

3 5 5

2 V Communication level 2

5 3

3 3

6 V Transmitting current 560 600 660 mA 30dBm（1W） Receiving current 20 21 23 mA Sleep current 4 5 6 μA Operating temperature -40 20 85 ℃ Operating humidity 10 60 90 % Storage temperature -40 20 125 ℃