Limit Parameters Main Parameters Value Remarks Min

Max Power supply（V） 0 5

5 Voltage over 5

5V will cause permanentdamage to module Blocking power（dBm） - 10 Chances of burn is slim when modulesare used in short distance Operating temperature（℃） -40 85 - Operating parameter Main Parameters Value Remarks Min

Typical Max Operating voltage（V） 2

6 5 5

5 - Communication level（V） - 3

3 - For 5V TTL, it may be at risk of burning down Operating temperature（℃） -40 - 80 Industrial design Operating frequency（MHz） 410 433 510 Support ISM band TX Current(mA) - 91 - Instant power consumption RX current（mA） - 12 - - Sleep current（μA） - 0

7 - Software is shut down Max Tx power（dBm） - - 20 - Receiving sensitivity（dBm） -116 -118 -119 Air data rate is1

2kbps Air data rate（bps） 1

2k 2

4k 200k Controlled via user’s programming Main parameter Description Remarks Distance for reference 2

5km Test condition：clear and open area, antenna gain:5dBi,antenna height:2

5m，air data rate:1

2kbps FIFO 54 Byte Maximum capacity of single transmission Cache capacity 500 Byte - Modulation GFSK - Communication interface UART serial port - Package SMD - Connector 1

27mm - Size 26*16mm - Antenna IPEX/Stamp hole 50 ohm impedance