[Transmission type]:GPRS
[Power]:30~33dBm
[Size]:42*40*9.7mm
[Interface]:UART
[Weight]:7.7±0.1g
[Introduction]:E840-TTL-GPRS03 is a new generation wireless module developed by Ebyte. The software of this product is fully functional and covers most of the conventional application scenarios. Users can realize the transparent transmission of bidirectional data from serial port to network server through simple setting.
Pin No. | Name | Description |
---|---|---|
1 | RST | Reset. |
2 | IORT | When in low level for 3~10S, module returns to factory setting and start over immediately. |
3 | LINK | The link connection status indication pin corresponds to the onboard left 1 LED.High:successfully connect with network server;Low:fail to connect with network server. |
4、24、25 | NC | Suspended, N/A. |
5 | DATA | The data transceiver indication pin, when the network receives the data or the serial port receives the data (50ms high/10ms low), corresponding to the onboard left 3LED light. |
6 | STAT | The device status indication pin corresponds to the onboard left 2 LED.Low: The device is poweredon to search for SIM card 1800ms for low, 200ms for 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 RX,default 3.3V,compatible with 5V. |
8 | TXD | Data TX,default 3.3V,compatible with 5V. |
9 | VEF | Drive level power supply pin, if user need to achieve serial communication and LED indication of 5V drive level, user need to input 5V level on this pin. |
10、11、14、15、23 | MOD、SLE、PA0、PA1、EN | Suspended, N/A. |
12 | 4V2 | Lithium battery power supply pin,range:3.8V~4.6V. This pin is prohibited from being reversedand is not allowed to be supplied with VCC. |
16 | VCC | DC power supply pin,range:5V~18V.This pin is prohibited from being reversed and is not allowed to be supplied with 4V2. |
19 | VD | Power pin to connect SIM externally, NC for pcb SIM card holder. |
20 | RS | Reset pin to connect SIM externally, NC for pcb SIM card holder. |
21 | DA | Data pin to connect SIM externally, NC for pcb SIM card holder. |
22 | CL | Clock pin to connect SIM externally, NC for pcb SIM card holder. |
13、17、18 | GND | Ground. |