Category:BC20

Specifications

• Hardware version - BC20NA-04-STD
• Band B5 B8
• Location supports GPS Beidou SBAS

Dimension Schematic

• 

  Pin Definition

Pin Definition:

• (via logic shifter) DTX / DRX: Debug TXD and RXD
• (via logic shifter) TXD / RXD: UART Serial TXD and RXD (AT commands)
• ATX / ARX: RXD and TXD AUX
• (via logic shifter) 1PPS
• (via logic shifter) RI / DCD / RTS / CTS: RS-232 Pins
• DM / DP: USB Port
• VUSB3 = VDD USB 3.3V
• USBM = USB_MODE
• ADC
• MKEY MRST MINT: MCU Control Boot pin, Reset pin, Interrupt pin
• +5V pins need external supply / 3V3 from board LDO

Wiring

• Connect VIN GND TXD RXD to send AT Commands

LEDs

• Both on board LEDs may NOT work, this module is still in development, firmware may not support.

Software

• AT Commands refer to Quectel AT

Usage

Sleep Mode

• Module should automatically enter into sleep mode periodically 60 seconds
• Wake up by AT commands serial input
• Please check relevants documents or contact us if you have any other questions.