[Frequency] : 425~450.5MHz
[Power] : 30dBm
[Distance] : 3km
[Size] : 66*66*21mm
[Interface] : Ethernet
[Weight] : 78±5g
[Introduction] : A small, powerful wireless digital data-Ethernet transceiver with the function of long range, digital data processing, digital modulation and demodulation, FEC, balanced soft decision, etc. It carries a M0+ series 32 bit processor. It has adaptive network rate and TCP Server, TCP Client, UDP Server, UDP Client.
| RF Parameter | Value | Remark |
| Working frequency | 425~450.5 MHz | Default: 433MHz |
| Transmitting power | 21~30 dBm | Default: 30dBm（About 1W） |
| Air data rate | 1.2kbps ~ 70kbps | Default: 1.2kbps |
| Test distance | 3000 meter |
| Hardware Parameter | Value | Remark |
| Size | 66 * 66 * 21 mm | |
| Antenna type | SMA-K | |
| Communication interface | Ethernet | - |
| Baud rate | Default: 9600 | Baud rate: 1200~115200 |
| Buffer | 512 bytes buffer | Limitless package length, no sub-package |
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
| Power supply | 8 | 12 | 28 | V | |
| Transmitting current | 279 | 310 | 361 | mA | 30dBm（1W） |
| stand-by current | 18 | 20 | 22 | mA | |
| Operating temperature | -40 | 20 | +85 | ℃ | |
| Operating humidity | 10 | 60 | 90 | % | |
| Storage temperature | -40 | 20 | +125 | ℃ |
| Pin No. | Name | Function | Description |
| 1 | PWR-LED | Power interface | Straight plug-in hole, O.D 5.5mm, I.D 2.5mm |
| 2 | RJ45-interface | Ethernet interface | Standard RJ45 interface, connect with the device or PC |
| 3 | PWR-LED | Power LED | Red, lit when the power is on |
| 4 | WORK-LED | Transmit LED | Yellow, blinks when sending data |
| 5 | LINK-LED | Receive LED | Yellow, blinks when connected |
| 6 | M0-LED | Mode LED | Yellow, M0、M1 indicates RF status |
| 7 | M1-LED | Mode LED | Yellow, M0、M1 indicates RF status |
| 8 | RESET | RESET switch | Restore factory default setting after long press 5-15 seconds |
| 9 | Antenna interface | SMA-K interface | External thread,10mm, 50Ω characteristic impedance |
| Model | Interface | IC | Frequency Hz | Power dBm | Distance km | Air data rate | Package | Size (mm) | Feature | Manual | Sample |
|---|---|---|---|---|---|---|---|---|---|---|---|
| E90-DTU(2G4HD12) | RS232 RS485 | - | 2.4G | 12 | 0.8 | 1200～3M | Screwing/DB9 | 82*62*25 | Point-to-point frequency hopping, two-way continuous transmission | ||
| E90-DTU(2G4L27) | RS232/RS485 | - | 2.4G | 27 | 7 | - | Standard DB9 hole type/3.81 terminal block | 82*62*25 | Adopt a new generation of LoRa spread spectrum technology | ||
| E90-DTU(400SL44) | RS232 RS485 | SX1268 | 433M | 44 | 40 | 0.3k~62.5k | Screwing/DB9 | 160*137*44 | LoRa,anti-interference | ||
| E90-DTU(400SL22P) | RS232/RS485 | SX1268 | 433M | 22 | 5 | 0.3k~62.5k | Screwing/DB9 | 108*75*37 | New generation LoRa | ||
| E90-DTU(400SL30P) | RS232 RS485 | SX1268 | 433M | 30 | 10 | 0.3k~62.5k | Screwing/DB9 | 108*75*37 | LoRa spread spectrum | ||
| E90-DTU(400SL30-ETH) | Ethernet | SX1268 | 433M | 30 | 10 | 0.3k~62.5k | RJ45 | 82*84*25 | LoRa spread spectrum,ethernet | ||
| E90-DTU(400SL22-GPRS) | RF to GPRS | GPRS | 410.125~493.125MHz | 22 | 5 | - | Screwing/DB9 | 108*75*37 | LoRa spread spectrum,ethernet | ||
| E90-DTU(400SL22-ETH) | Ethernet | SX1268 | 433M | 22 | 5 | 0.3k~62.5k | RJ45 | 82*84*25 | LoRa spread spectrum,ethernet | ||
| E90-DTU(230SL30-ETH) | Ethernet | SX1262 | 230M | 30 | 10 | 0.3k~15.6k | RJ45 | 82*84*25 | LoRa spread spectrum,ethernet | ||
| E90-DTU(230SL22-GPRS) | RF to GPRS | GPRS | 220.125~236.125MHz | - | - | - | Screwing/DB9 | 108*75*37 | LoRa Spread spectrum | ||
| E90-DTU(230SL22-ETH) | Ethernet | SX1262 | 230M | 22 | 5 | 0.3k~15.6k | RJ45 | 82*84*25 | LoRa Spread spectrum | ||
| E90-DTU(900SL22-GPRS) | RF to GPRS | GPRS | - | - | - | - | Screwing/DB9 | 108*75*37 | LoRa Spread spectrum | ||
| E90-DTU(900SL22-4G) | RF to 4G | 4G | 850.125MHz~930.125MHz | - | - | - | Screwing/DB9 | 108*75*37 | LoRa Spread spectrum | ||
| E90-DTU(900SL22-ETH) | Ethernet | SX1262 | 868M 915M | 22 | 5 | 0.3k~62.5k | RJ45 | 84mm*82mm*25 | LoRa spread spectrum,ethernet | ||
| E90-DTU(900SL30-ETH) | Ethernet | SX1262 | 868M 915M | 30 | 10 | 0.3k~62.5k | RJ45 | 82*84*25 | LoRa spread spectrum,ethernet | ||
| E90-DTU(230SL30-GPRS) | RF to GPRS | SX1262 | 230M | 30 | 10 | 0.3k~15.6k | Screwing/DB9 | 108*75*37 | LoRa spread spectrum | ||
| E90-DTU(400SL30-GPRS) | RF to GPRS | SX1268 | 433M | 30 | 10 | 0.3k~62.5k | Screwing/DB9 | 108*75*37 | LoRa spread spectrum | ||
| E90-DTU(900SL30-GPRS) | RF to GPRS | SX1262 | 868M 915M | 30 | 10 | 0.3k~62.5k | Screwing/DB9 | 108*75*37 | LoRa spread spectrum | ||
| E90-DTU(433C17) | 232/485 | - | 433M | 17 | 1 | 1.2k~70k | Screwing/DB9 | 82*62*25 | Continuous transmission | ||
| E90-DTU(433C33) | 232/485 | - | 433M | 33 | 4 | 1.2k~70k | Screwing/DB9 | 82*62*25 | Continuous transmission | ||
| E90-DTU(230SL37) | 232/485 | SX1262 | 230M | 37 | 20 | 0.3k~15.6k | Screwing/DB9 | 124*105*25 | LoRa spread spectrum | ||
| E90-DTU(400SL37) | 232/485 | SX1268 | 433M | 37 | 20 | 0.3k~62.5k | Screwing/DB9 | 124*105*25 | LoRa spread spectrum | ||
| E90-DTU(900SL30) | 232/485 | SX1262 | 868M | 30 | 10 | 0.3k~62.5k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E90-DTU(900SL22) | 232/485 | SX1262 | 868M | 22 | 5 | 0.3k~62.5k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E90-DTU(230SL30) | 232/485 | SX1262 | 230M | 30 | 10 | 0.3k~15.6k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E90-DTU(230SL22) | 232/485 | SX1262 | 230M | 22 | 5 | 0.3k~15.6k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E90-DTU(400SL30) | 232/485 | SX1268 | 433M | 30 | 10 | 0.3k~62.5k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E90-DTU(400SL22) | 232/485 | SX1268 | 433M | 22 | 5 | 0.3k~62.5k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E90-DTU(433C30) | 232/485 | - | 433M | 30 | 3 | 1.2k~70k | Screwing/DB9 | 82*62*25 | Continuous transmission | ||
| E90-DTU(433C37) | 232/485 | - | 433M | 37 | 10 | 1.2k~70k | Screwing/DB9 | 124*105*25 | Continuous transmission | ||
| E90-DTU(433L30) | 232/485 | SX1278 | 433M | 30 | 8 | 1.2k~70k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E90-DTU(433L37) | 232/485 | SX1278 | 433M | 37 | 20 | 1.2k~70k | Screwing/DB9 | 124*105*25 | LoRa spread spectrum | ||
| E90-DTU(170L30) | 232/485 | SX1278 | 170M | 33 | 8 | 1.2k~70k | Screwing/DB9 | 82*62*25 | LoRa spread spectrum | ||
| E90-DTU(230N27) | 232/485 | AX5243 | 230M | 27 | 5 | 1.2k~70k | Screwing/DB9 | 82*62*25 | Narrow-band | ||
| E90-DTU(433L30E) | Ethernet | SX1278 | 433M | 30 | 8 | 0.3k~19.2k | RJ45 | 66*66*21 | LoRa spread spectrum | ||
| E90-DTU(433C30E) | Ethernet | - | 433M | 30 | 3 | 0.3k~19.2k | RJ45 | 66*66*21 | ModBus Continuous transmission | ||
| E90-DTU(230N33) | 232/485 | AX5243 | 230M | 33 | 8 | 1.2k~70k | Screwing/DB9 | 82*62*25 | Narrow-band | ||
| E90-DTU(230N37) | 232/485 | AX5243 | 230M | 37 | 15 | 1.2k~70k | Screwing/DB9 | 124*105*25 | Narrow-band |
