E280-2G4T12S

[IC]：SX1280

[Frequency]：2400~2500MHz

[Power]：12dBm

[Distance]：3km

[Size]：17.5*28.7mm

[Feature]：LoRa spread spectrum

E28-2G4T27SX

[IC]：SX1281

[Frequency]：2.4~2.5GHz

[Power]：27dBm

[Distance] ：7km

[Size]：40.5*25mm

[Weight]：4.8±0.1g

[Feature]：LoRa spread spectrum, high-speed continuous transmission

E104-BT5032A

[IC]: nRF52832

[Frequency]: 2.402~2.480GHz

[Protocol]: BLE5.0

[Distance]: 60m

[Size]: 11.6*16mm

[Weight]: 0.8±0.1g

[Feature]: Low Power BLE to Serial Module

E28-2G4M27S

[IC]: SX1280

[Frequency]: 2.4~2.5GHz

[Power]: 27dBm

[Distance]: 8.0km

[Size]: 15*26.5mm

[Weight]: 1.7±0.1g

[Feature]: LoRa spread spectrum,FLRC

E28-2G4T12S

[IC]: SX1280

[Frequency]: 2.4~2.5GHz

[Power]: 12.5dBm

[Distance]: 3.0km

[Size]: 17.5*28.7mm

[Weight]: 2.2±0.1g

[Feature]: LoRa spread spectrum

E28-2G4M20S

[IC]: SX1280

[Frequency]: 2.4~2.5GHz

[Power]: 20dBm

[Distance]: 6.0km

[Size]: 15*26.5mm

[Weight]: 1.9±0.1g

[Feature]: LoRa spread spectrum,FLRC

E28-2G4M12S

[IC]: SX1280

[Frequency]: 2.4~2.5GHz

[Power]: 12.5dBm

[Distance]: 3.0km

[Size]: 24*15mm

[Weight]: 1.6±0.1g

[Feature]: LoRa spread spectrum,FLRC