[Frequency]：410.125~493.125MHz
[Power]：22dBm
[Distance]：5km
[Transmission]：GPRS
[Interface]：RF to GPRS
[Weight]：255±5g
[Introduction]：E90-DTU (400SL22-GPRS) is a data transmission station from radio frequency to GPRS network server, which realizes the transparent data transmission between sub-1g and GPRS network. The sub-1g radio frequency transceiver is based on SEMTECH SX1262 radio frequency chip and supports LoRa spread spectrum technology.
| Parameter Name | The parameter value |
| Support Frequency | Quad-frequency: GSM850, EGSM900,DCS1800, PCS1900 Module can automatically search frequency,Frequency selection can be set with theAT command,Conform to GSM Phase 2/2+ |
| GPRS Connection characteristics | GPRS multi-slot class 12 (default) GPRS multi-slot class 1~12 (configurable) GPRS mobile station class B |
| GPRS Data features | GPRS data downlink transmission: up to85.6 KBPS,GPRS uplink data transfer: up to 85.6 KBPS,Coding formats: cs-1, cs-2, cs-3 and cs-4,Supports the PAP (password verification,protocol) protocol commonly used for PPP connections,Support for protocols commonly used for CHAP (query handshake authentication protocol) The built-in protocols: TCP/UDP/FTP/PPP/HTTP/NTP/MMS/SM TP/PING, etc.Support for unstructured supplementary data services (USSD) |
| The antenna interface | SMAinterface, NET signal output, 50ohm characteristic impedance |
| Transmission Power | Class 4 (2W)： GSM850 and EGSM900 Class 1 (1W)： DCS1800 and PCS1900 |
| RF Characteristic parameters | value |
| The air rate | 2.4kbps，8 adjustable level （0.3、1.2、2.4、4.8、9.6、19.2、38.4、62.5kbps） |
| WOR role | receiver，Can be configured as a receiver/sender |
| WOR cycle | 2000ms，500ms~4000msIt can be configured as 500ms~4000ms |
| Transport mode | Transparent Transmission |
| The module address | 0~65535 |
| working frequency | 410.125MHz-493.125 |
| Transmission power | 22dBm |
| Receiving sensitivity | -138dbm@0.3kbps |
| Baud rate | 115200 bps |
| The antenna interface | SMAInterface |
| Station systemparameters | value |
| Flow loss value(typical value) | 66.5mA@12V，Idle state, no data transmission |
| Working temperature | -30℃~+70℃ |
| Working voltage | DC 8~28V |
| Size | 108*75*37mm，Overall size (excluding antenna) |
| 3GPP Frequency | 1 Timeslot | 2 Timeslot | 4 Timeslot |
| CS-1 | 9.05kbps | 18.1kbps | 36.2kbps |
| CS-2 | 13.4kbps | 26.8kbps | 53.6kbps |
| CS-3 | 15.6kbps | 31.2kbps | 62.4kbps |
| CS-4 | 21.4kbps | 42.8kbps | 85.6kbps |
| No. | Name. | Function |
| 1 | Grounding screw | Ground connection |
| 2 | DC-IN | Power adapter interface, power supply range 8~28V, recommended 12V/24V |
| 3 | DC-IN- | Power reference ground |
| 4 | DC-IN+ | |
| 5 | Reset | System reset button, long press time no requirement |
| 6 | USB | Micro USB： parameter configuration interface |
| 7 | Reload | Press 4~10s to restore the factory Settings |
| 8 | PWR | Red: power indicator |
| 9 | WORK | Yellow: data transmission indicator light; The light flashes when there is data transmission |
| 10 | LINK | Yellow: network indication, always on after net |
| 11 | NET | 4 G/GPRS antenna interface (SMA - K external thread hole, 50 Ω characteristicimpedance) |
| 12 | SIM | SIM card slot |
| 13 | RF | RF antenna interface (SMA - K external thread hole, 50 Ω characteristic impedance) |
| Order online |
| 【eBay】：https://www.ebay.com/usr/cdebyte |
| 【Aliexpress】：https://www.aliexpress.com/store/2798183 |
| 【Alibaba】：https://www.alibaba.com |
| For batch order/customized product |
| 【Sales hotline】：+86-28-61399028 Ext.812 |
| 【E-mail】：service@cdebyte.com |
| Technical support |
| 【Submit online】：http://www.ebyte.com/en/apple-technology.aspx |
| 【E-mail】：support@cdebyte.com |
| 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 |
