Quectel EG800K EG800K-EU 4G LTE Cat1 bis Module Core Board Wi-Fi Scan Audio Band B1 B3 B5 B7 B8 B20 B28 Without GNSS

(1) About power supply

The power supply voltage of the core board is 5V-16V, and it is necessary to ensure that the input voltage is not lower than 5V. To ensure the core board

Under any circumstances, it works normally. Please ensure that the input power is greater than or equal to 10W.

It is recommended to use 12V power supply. If 5V power supply is used, ensure that the power supply current can reach 2A and output

Add a 220uF large capacitor at the entrance to prevent voltage drops from causing the core board to restart.

(2) About Serial Ports

The main serial port can be used for AT command communication and data transmission. The default baud rate is 115200. Used for AT command

When communicating and transmitting data, the supported baud rates are 4800, 9600, 19200, 38400, 57600

115200, 230400, 460800, 921600bps. The main serial port is an AT port in standard mode, and in open mode

Under C or QuecPython mode, it is a standard user serial port UART2.

(3) Sleep mode

If the module and the host communicate through UART, the following two conditions must be met simultaneously to enable the module to enter

Enter sleep mode:

Execute AT+QSCLK=1.

Ensure that the DTR remains low or suspended.

By raising the DTR of the module through the host, the module can be awakened.

(4) BOOT testing point

Reserve BOOT testing points on the core board. When entering BOOT mode, short-circuit the two solder pads here,

Power on again to enter BOOT mode.

Short circuiting is prohibited before the module is turned on normally.

• Ultra-small size, specially designed for M2M and IoT applications, especially for small-sized terminals

• Supports DFOTA remote online upgrade to reduce later operation and maintenance costs

• Supports Wi-Fi Scan positioning (optional)

• Supports GNSS (optional)

• Ultra-high cost performance