RF Parameter Value Remark Working frequency 410~441 MHz Default: 433MHz Transmitting power 10~20 dBm Default: 20dBm（ About 100mW ） Receiving sensitivity -146 dBm Air data rate: 0

3kbps Air data rate 0

3k~19

2kbps Default: 2

4kbps Test distance 3000 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 17 * 30 mm Antenna type IPEX/Spring 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 100 110 120 mA 20dBm（100mW） Receiving current 13 14 15 mA Sleep current 3 4 5 μA Operating temperature -40 20 85 ℃ Operating humidity 10 60 90 % Storage temperature -40 20 125 ℃