AND BK-A7670 4G PCIE Module User Manual
- June 15, 2024
- AND
Table of Contents
AND BK-A7670 4G PCIE Module
Preparation
| Board | BK-A7670 |
|---|---|
| Serial tool | sscom32E.exe |
Overview
Module feature
- The A7670 series is the LTE Cat 1 module which supports wireless communication modes of LTE-TDD/LTE FDD/GSM/GPRS/EDGE. It supports maximum 10Mbps downlink rateand5Mbps uplink rate. > Control Via AT Command, Rich interfaces including UART,USB2.0
- Operation temperature:-40℃ to +85 ℃
- GNSS optional.
BOARD overview
| CN2 | Nano SIM card socket 1 |
|---|---|
| CN3 | Nano SIM card socket 2(Optional) |
| CN101 | 7pin 2.54mm header interface |
| CN1 | USB interface |
| D5 | NET LIGHT indicator(Green) |
| U2 | The power conversion chip |
| J1 | LTE ANT |
| J2 | GPS ANT(Optional) |
| J3 | BT ANT(Optional) |
| TP1 | 4.0V |
*PCBA dimension: 3737mm.**
Pin Definition
Note : VCC range is from 5.0V to 10V, 5.0V is recommended. Pleaseensure2Acurrent for the VCC pin. TXD /RXD are 3.3V TTL level which can be directly connected with 3.3V MCU.
Pin definition of 6pin connector
Pin name| Pin number| Mark on PCB| Description|
Comment
---|---|---|---|---
SLEEP| 0| S| control module into sleep mode| Connect
with DTR via Q4
GND| 1,6| G| GND|
VCC| 2| V| The power supply| 5V-10V
PWRKEY| 3| K| Power down| Shorted with GND via
R104 by default
TXD| 4| T| Transmit Data| TTL Series data Output
RXD| 5| R| Receives Data| TTL Series data Input
How to use TXD and RXD (Default baud rate is 115200bps)
How To Test The BK-A7670 By AT Command Via UART
-
Installing LTE antenna, GPS antenna and Nano SIM card for BK-A7670Board.
-
Feed power supply to VCC pin. (Note: VCC range is from5.0Vto10V. 5.0Visrecommended.)
-
GREEN LED indicator, Blink quickly shows un-registration network Blink slowly shows registration successful. (Note: Should confirm whether correct NB-IoT SIM card is inserted)
-
Open serial software and choose right serial number, Baud rate as below, please keep “Send New” selected:
How To Test The BK-A7670 by AT Command Via USB
-
Remove all connection on CN101 7pin connector, Power up the A7670 Breakout board only via USB, Install SIM Com_USB_Drivers A7670.rar driver following the computer indication. The computer will show as belows, it means that the driver is installed correctly.
-
Select AT Port 9001, 115200bps and Send New, you can repeat all command in Item4.4.
Package List
| Name | Qty | Unit |
|---|---|---|
| BK-A7670 | 1 | Pcs |
Customer Support
AND Wireless : http://www.and-global.com
OEM PCBA : http://www.buypcba.com
Retail Store : http://www.aliexpress.com/store/605000
Golden supplier on Alibaba : http://and-global.en.alibaba.com
Email : info@and-global.com
Tel : +86-755-28099797
References
- Shenzhen Aideshun Technologies Co., Ltd. - GSM GPRS Module, GPS Module
- AND TECHNOLOGIES CO LTD - Amazing products with exclusive discounts on AliExpress
- 4g Module & Wireless Module Manufacturer - ANDTech
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