![Quectel BC65-TE-B User Manual Download Page 13](http://html.mh-extra.com/html/quectel/bc65-te-b/bc65-te-b_user-manual_772175013.webp)
NB-IoT Module Series
BC65-TE-B User Guide
BC65-TE-B_User_Guide 12 / 27
J202
External power supply interface
USB-UART Interface
J301
Supports two UART ports
USIM Interface
J303
Micro USIM card connector
Arduino Interfaces
J305, J306,
J307, J308
Standard Arduino interfaces
RF Antenna Interface
J304
RF SMA connector
UART Switch
J302
Selects the communication object of BC65
’s main UART:
“MAIN UART TO USB” or “MAIN UART TO MCU”
RESET Button
S102
Resets the BC65 module
PWRKEY Button
S101
Powers on the BC65 module
LED Indicator
D203
Indicates the power status
LED Indicator
D304
Indicates the network status
Test Points
J103, J105,
J106, J201
Tests the basic functionalities of the BC65 module