E28-2G4M27S 2.4G Lora Transceiver Radio Wireless Module Sx1281 Upgraded Version Lora Transmitter Receiver Modules
[IC]：SX1281
[Frequency]：2.4~2.5GHz
[Power]：27dBm
[Distance]：8.0km
[Interface]：SPI
[Weight]：1.7±0.1g
[Introduction]：E28-2G4M27S is a 2.4GHz small SMD module (pin spacing 1.27mm)designed by Chengdu Ebyte. With built-in PCB antenna, SPI interface, it owns TX power of 500mW with power consumption.E28-2G4M27S is a hardware platform without firmware, so users need to conduct secondary development.
Official Store| Module | Interface | IC | Frequency（Mhz） | Power（dbm） | Distance（km） | Air speed（Kbps） | Package | Size（mm） | Feature | Manual | Sample |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E28-2G4M20SX | SPI | SX1281 | 2.4G | 20 | 6 | 0.476k～2M | Patch | 20*15 | LoRa spread spectrum, FLRC, compatible with BLE protocol | ||
| E28-2G4M12SX | SPI | SX1281 | 2.4G | 12~14 | 3 | 0.595~2 | patch | 17.8*15 | LoRa spread spectrum, FLRC, ranging | ||
| E28-2G4M27SX | SPI | SX1281 | 2.4G | 27 | 8 | 0.595~2 | SMD | 15 * 20 | Low power mode current consumption | ||
| E28-2G4M27S | SPI | SX1281 | 2.4G | 27 | 8 | 0.125~2 | SMD | 15 * 26.5 | LoRa spread spectrum,FLRC | ||
| E28-2G4M20S | SPI | SX1281 | 2.4G | 20 | 6 | 0.125~2 | SMD | 15 * 26.5 | LoRa spread spectrum,FLRC | ||
| E28-2G4M12S | SPI | SX1281 | 2.4G | 12.5 | 3 | 0.125~2 | SMD | 14*25 | LoRa spread spectrum,FLRC |