Limit Parameters Main Parameters Value Remarks Min

Max Power supply（V） 0 5

5 Voltage over 5

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

Typical Max Operating voltage（V） 2

3 5 5

5 ≥5

0 V ensures output power Communication level（V） - 3

3 - For 5V TTL, it may be at risk of burning down Operating temperature（℃） -40 - 85 Industrial design Operating frequency（MHz） 410

125 433

125 493

125 Support ISM band TX Current(mA) - 110 - Instant power consumption RX current（mA） - 12 - - Sleep current（μA） - 2 - Software is shut down Max Tx power（dBm） 21

5 22 22

5 - Receiving sensitivity（dBm） -146 -147 -148 Air data rate is 0

3 kbps Air data rate（bps） 0

3k 2

4k 62

5k Controlled via user’s programming Main parameter Description Remarks Distance for reference 5km Test condition：clear and open area, antenna gain: 5dBi，antenna height:2

5m，air data rate: 2

4kbps TX length 240 Byte Can be configured via command as 32/64/128/240 bytes per packet totransmit Buffer 1000 Byte - Modulation LoRa New generation LoRa modulation technology Communication interface UART TTL level Package DIP - Connector 1*7*2

54mm - Size 21*36 mm - Antenna SMA 50 ohm impedance