BananaPi BPI 4G Module For BPI-R2

BananaPi BPI 4G Module For BPI-R2 Description Please Note :the EC25-E module only support EMEA/KOREA/THAILAND/INDIA now Main connectors : 1）DCIN，5V/2A power input connector2）MicroUSB  port, for connecting 4G module to the main board3）Major 4G antenna interface, IPEX connector4）GNSS antenna inteface, IPEX connector5）SIM Card connector1. Method about how to use 4G module 1.1. Conect DCIN to 5V, 2A power adaptor 1.2. Connect to the main board by USB line 1.3. Run the order of ’ lsusb’ to check if the 4G module has been recognized by the system，if it shows the red box as below, it means Internel ID has been recongnized. 1.4.  Then run the order of ‘ls /dev/ttyUSB*’ to check if 4G module has been recongnized as USB device，if it shows information in red box, it means that 4G module has been recognized succesully. 1.5. Next，run script of ’ppp1.s’ to dial to 4G module 1.5. If the script runs well, it will show the log as below For more information about BananaPi BPI 4G Module For BPI-R2, pleas