[Transmission Type] : 4G
[Power] : 23~33dBm
[Size] : 82*84*24mm
[Interface] : RS485/RS232
[Weight] : 142.5±5g
[Introduction] : E840-DTU(4G-02E) is developed for serial port devices and network servers to transmit data to each other through a network.It is a LTE-FDD/WCDMA/GSM wireless communication data transmission modem with diversity receiving function, supporting LTE-FDD, DC-HSDPA, HSPA+, HSDPA, HSUPA, WCDMA, EDGE and GPRS network
Parameter | Description |
Frequency | LTE-FDD:B1/B3/B7/B8/B20/B28A WCDMA:B1/B8 GSM:B3/B8 |
LTE characteristic | Support max. of 3GPP R8 non-CA Cat 4 FDD and TDD Support 1.4MHz~20MHz , Downstream support: MIMO LTE-FDD: Max downstream rate 150Mbps, Max upstream rate50Mbps |
WCDMA characteristic | WCDMA: Max downstream rate 384Kbps, Max upstream rate 384Kbps |
GSM characteristic | GPRS: Max downstream rate 107Kbps,Max upstream rate 85.6Kbps EDGE: Max downstream rate 296Kbps,Max upstream rate 236.8Kbps |
Network protocolcharacteristic | TCP/UDP/MQTT |
Hardware Characteristic | Description |
Antenna | SMA |
Data interface | RS485 / RS232 |
Baud rate | Max 921600bps,default 115200bps |
Transmittingpower | Class 4 (33dBm±2dB) for GSM900 FDD B3: -101.5dBm (10M) |
Consumption(Typical) | 11uA @ power off |
Bandwidth | 1.4/3/5/10/15/20MHz |
Operating temperature | -30℃- +70℃ extending to -40℃~+85℃ |
Operating voltage | DC 8V~28V |
Size | 82×84×24mm |
RS485 /RS232 | RS485/RS232 |
Pin No. | Name | Description |
1 | RS232 | RS232 interface |
2 | 485_A | To connect the end A of other RS485 device |
3 | 485_B | To connect the end B of other RS485 device |
4 | GND | Ground |
5 | VCC | Power supply, 8~28V,12V or 24V is recommended |
6 | PWR | Power indicator |
7 | WORK | Blue: Receipt transceiver pin, when the network receives data or the serial port receives data (50ms high/10ms low) Green: device status indication pin, Low: The device is powered on to search for a SIM card 1800ms low, 200ms high: The device checks the correct SIM card and is attaching to the network; High: The device is attached to the network successfully; |
8 | NET | Green: Socket A link connection status indication pin High: Socket A is successfully connected to the network server; Low: Socket A is not successfully connected to the network server; Blue: Socket B link connection status indication pin High: Socket B is successfullyconnected to the network server; Low: Socket B is not successfully connected to the network server; |
9 | DC-IN | DC adaptor,8~28V, 12V or 24V is recommended |
10 | RST | Dip switch(downward,reset) |
11 | Restore | Dip switchAfter the radio is powered on normally, the Restore dials from top to bottom, and continues down for 3~10S, then from bottom to top. After the process is completed normally, the radio parameters will be restored to the factory settings and restartedimmediately. |
12 | SIM | SIMSIM card slot |
13 | ANT | Antenna (SMA-K,50Ω impedance) |
Order online |
【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 | Transmission protocol | AT command | TCP/UDP | Package | Size(mm) | Feature | Manual | Sample | ||
---|---|---|---|---|---|---|---|---|---|---|---|
E840-DTU(EA01) | RS232 RS485 | NB-IoT | - | - | support | support | screwing/DB9 | 82*84*24 | two-way transparent data transmission | ||
E840-DTU(4G-02E) | RS232 RS485 | 4G | - | - | Support | Support | DB9 | 84*82*25 | Realize two-way data transparent transmission from serial port to network | ||
E840-TTL-4G02E | UART | 4G | - | - | Support | Support | Screwing | 42*40*9.7 | Whole network,TCP/UDP | ||
E840-DTU(NB-03) | RS232 RS485 | NB-IoT | - | - | - | - | Screwing/DB9 | 82*84*25 | Wide coverage,Support multiple network protocols | ||
E840-TTL-NB03 | UART | NB-IoT | - | - | Support | Support | Screwing | 42*40*9.7 | AT mode,TCP/UDP | ||
E840-TTL-GPRS03 | UART | GPRS | - | - | Support | Support | Screwing | 42*40*9.7 | Supporting quad-frequency | ||
E840-DTU(GPRS-03) | RS485/RS232 | GPRS | - | - | Support | Support | Screwing | 84*82*25 | Supporting quad-frequency, AT command set | ||
E840-DTU(GPRS-01) | RS485/RS232 | GPRS | - | - | Support | Support | Screwing | 84*82*25 | Supporting quad-frequency, AT command set | ||
E840-DTU(NB-02) | RS232 RS485 | NB-IoT | - | - | - | - | Screwing/DB9 | 82*84*25 | Low power consumption,customization |