E90-DTU(400SL22-GPRS) Data transmission radio station from wireless radio frequency to GPRS network server
[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 |