Main parameter Description Remark Distance for reference 8kM Test condition：clear and open area, antenna gain: 5dBi，antenna height: 2

5m，air data rate: 2

4kbps TX length 58Btye Maximum capacity of single package, automatic sub-packing after exceeding

Buffer 512Btye - Modulation LoRa™ - Communication interface TTL @3

3V Package DIP - Connector DIP 1*7*2

54mm spacing Size 24*43 mm - Antenna SMA-K 50 ohm impedance Main parameter Min Typ

Max

nit Remark Operating voltage 3

3 5 5

5 V ≥5

5 V ensures output power Communication level - 3

3 - V For 5V TTL, it may be at risk of burning down Operating temperature -40 - +85 ℃ Industrial design Operating frequency（ 862 - 931 MHz Support ISM band Transmitting current - 650 - mA Instant power consumption Receiving current - 25 - mA -