Characteristic 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 protocol characteristic | TCP/UDP/MQTT |
Hardware characteristic | Description |
Antenna | IPX |
Data interface | UART |
Baud rate | Support Max. 921600bps,default 115200bps |
Transmitting power | Class 4 (33dBm±2dB) for GSM900 Class 1 (30dBm±2dB) for DCS1800 Class E2 (27dBm±3dB) for GSM900 8-PSK Class E2 (26dBm±3dB) for DCS1800 8-PSK Class 3 (24dBm+2/-1dB) for CDMA BC0 Class 3 (24dBm+1/-3dB) for WCDMA bands Class 2 (24dBm+1/-3dB) for TD-SCDMA bands Class 3 (23dBm±2dB) for LTE-FDD bands Class 3 (23dBm±2dB) for LTE-TDD bands |
Sensitivity | FDD B1: -101.5dBm (10M) FDD B3: -101.5dBm (10M) FDD B7: -99.5dBm (10M) FDD B8: -101dBm (10M) TDD B20: -102.5dBm (10M) TDD B28A: -102dBm (10M) WCDMA B1: -110dBm WCDMA B8: -110.5dBm GSM 3: -109dBm GSM 8: -109dBm |
Consumption(Typical) | 11uA@power off |
Bandwidth | 1.4/3/5/10/15/20MHz |
Operating temperature | -30℃- +70℃, extending to -40℃~+85℃ |
Operating voltage | DC 5V ~ 18V |
Size | 42×40×9.7 mm |
Pin No. | Name | Description |
1 | RST | Reset pin |
2 | IO_RT | The low level lasts for 3~10S, the module parameters will be restored to the factory settings, and will be restarted immediately. |
3 | LIKA | SocketA link connection status indicator pin, corresponding to the onboard left 1 LED. High: SocketA is successfully connected to the web server; Low: SocketA did not successfully connect to the network server; |
4 | LIKB | The SocketB link connection status indicator pin corresponds to the onboard left 2 LED. High: SocketB is successfully connected to the web server; Low: SocketB did not successfully connect to the network server; |
5 | DATA | The data TX and RX indication pin, when the network receives the data or the serial port receives the data (50ms high/10ms low), correspondingto the onboard left 3 LED light. |
6 | STAT | The device status indication pin corresponds to the onboard left 4 LED. Low: The device is powered on to search for 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. |
7 | RXD | Data receiving pin, default 3.3V, compatible with 5V communication level. |
8 | TXD | Data transmitting pin, default 3.3V, compatible with 5V communication level. |
9 | VEF | Drive level power supply pin, if you need to achieve serial communication and LED indication is 5V drive level, you need to input 5V level on this pin. |
10、11、14、15、23 | MOD、SLE、PA11、PA10、EN | NC |
12 | 4V2 | Lithium battery power supply pin, power supply range:3.8V~4.3V. This pin is prohibited from being reversed and is not allowed to be supplied with VCC. |
16 | VCC | DC power supply pin, power supply range: 5V~18V. This pin is prohibited from being reversed and is not allowed to be supplied with VCC. |
19 | VD | External SIM card power supply pin, if the onboard SIM card holder is used, the pin remains NC |
20 | RS | External SIM card reset pin, if the onboard SIM card holder is used, the pin remains NC |
21 | DA | External SIM card data pin, if the onboard SIM card holder is used, the pin remains NC |
22 | CL | External SIM card clock pin, if the onboard SIM card holder is used, the pin remains NC |
24 | LIKD | SocketD link connection status indicator pin, corresponding to the onboard right 3 LED. High: SocketD is successfully connected to the web server; Low: SocketD did not successfully connect to the network server; |
25 | LIKC | SocketC link connection status indicator pin, corresponding to the onboard right 2 LED. High: SocketC is successfully connected to the web server; Low: SocketC did not successfully connect to the network server; |
13、17、18 | GND | Ground |
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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 |