E90-DTU(900SL30-GPRS) data transmission station from radio frequency to GPRS network server
[Frequency]：850.125~930.125MHz
[Power]：30dBm
[Distance]：10km
[Interface]：RF to GPRS
[Introduction]：E90-DTU (900SL30-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.
| NET Characteristic parameters | The parameter value |
|---|---|
| Support Frequency | Quad-frequency：GSM850, EGSM900, DCS1800, PCS1900 Module can automatically search frequency Frequency selection can be set with the AT 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 to 85.6kbps |
| GPRS uplink data transfer: up to 85.6kbps Coding formats： CS-1、 CS-2、 CS-3 和 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/SMTP/PING, etc. Support for unstructured supplementary data services (USSD) | |
| The antenna interface | SMA interface, NET signal output, 50ohm characteristic impedance |
| Transmission | Class 4 (2W)： GSM850 and EGSM900 Class 1 (1W)： DCS1800 and PCS1900 |
| RF Characteristic parameters | The parameter 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，（It can be configured as 500ms~4000ms） |
| Transmission power | 30dBm，About 1W, level 4 adjustable (30,27,24,21dBm) |
| Transport | Transparent Transmission（Can be configured for transparent transmission or fixed-point transmission） |
| The module address | 0~65535（Default address 0） |
| Working frequency | 850.125MHz~930.125MHz |
| Receiving sensitivity | -138dbm@0.3kbps |
| Baud rate | 115200bps（No modification supported） |
| The antenna interface | SMA Interface（RF signal output, 50 ohm characteristic impedance） |
| Station system parameters | The parameter value |
|---|---|
| Flow loss value(typical value) | 66.5mA@12V（Idle state, no data transmission） |
| Working temperature | -30℃~+70℃（Extended to 40 ℃ ~ + 85 ℃ temperature） |
| Working voltage | DC8~28V（Recommend 12V/24V power supply） |
| Size | 108*75*37mm（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 |