E30-400M30S（4463）

[IC]：SI4463

[Frequency]：425～525MHz

[Power]：30dBm

[Distance]：5.6km

[Size] ：38.5*24mm

[Feature]：Long distance communication

E30-400M30S（4438）

[IC]：SI4438

[Frequency]：425～525MHz

[Power]：30dBm

[Distance]：5.6km

[Size]：38.5*24mm

[Feature]：Long communicaiton disatance

E30-400M20S（4438）

[IC]：SI4438

[Frequency]：425～525MHz

[Power]：20dBm

[Distance]：2.5km

[Size] ：20*14mm

[Feature] ：Long transmission distance,Strong penetration diffraction

E22-400M30S

[IC]: SX1268

[Frequency]: 410~493MHz

[Power]: 30dBm

[Distance]: 12km

[Size]: 24*38.5mm

[Weight]: 4.9±0.1g

[Feature]:LoRa spread spectrum Continuous transmiss