| Modem | Interface | IC | FrequencyHz | PowerdBm | Distancekm | Air speedbps | Package | Sizemm | Features | Manual | Sample |
|---|---|---|---|---|---|---|---|---|---|---|---|
| EWD611-900NW20(485) | RS485/Network port | - | 915M | 20 | 1 | - | - | 66*68*21.6 | One send and multiple receive star network, long distance data transmission + image transmission data transmission radio | ||
| E34-DTU(2G4H27) | RS232 RS485 | nRF24L01+ | 2.4G | 27 | 5.0 | 250~2M | Press wire/DB9 | 82*62*25 | Automatic frequency hopping, automatic retransmission when packet loss occurs | ||
| E610-DTU(433C37) | - | - | - | - | - | - | - | - | |||
| E95-DTU(433C30-485)-V2.0 | RS485 | - | 410M 441M | 30 | 10 | 0.5k | - | 92*66*30 | High speed continuous transmission | ||
| E95-DTU(433C20-485)-V2.0 | RS485 | - | 410M 441M | 20 | 6 | 0.5k | - | 92*66*30 | High speed continuous transmission | ||
| E95-DTU(433C30-485) | RS485 | - | 410M～510M | 30 | 3 | 1.2~70k | - | 92*66*30 | LoRa spread spectrum anti-jamming |