| Module | Interface | IC | Frequency(Mhz) | Power(dbm) | Distance(km) | Air speed(Kbps) | Package | Size(mm) | Feature | Manual | Sample |
|---|---|---|---|---|---|---|---|---|---|---|---|
| EWM22A-400R30D | RS485 | - | 433 470 | 30 | 10 | 2.4~64.5 | Pin type | 26*48 | LoRa spread spectrum modulation, RS485 interface module | ||
| E220-400R30D | UART | LLCC68 | 433~470 | 30 | 10 | 2.4~62.5 | DIP | 26*48 | New generation LoRa modulation technology |