NB-loT Module Series
BC660K-GL-TE-B User Guide
BC660K-GL-TE-B_User_Guide
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Interface
Designator
Description
Power Supply Interfaces
J301
USB power supply interface
J202
External power supply interface
J206
Power adapter power supply interface
J306
Arduino power supply interface
USB-UART Interface
J301
Support 2 UART ports
USIM Interface
J303
Micro-SIM card connector
Arduino Interfaces
J305, J306,
J307, J308
Standard Arduino interfaces
RF Antenna Interface
J304
RF SMA connector
UART Switch
J302
Used to select the communication object of BC660K-GL’s
main UART: “MAIN UART TO USB” or “MAIN UART TO
MCU”
BOOT Button
S101
Make the module enter download mode
RESET Button
S102
Reset the BC660K-GL module
PSM_EINT Button
S103
Wake up BC660K-GL from Deep Sleep/Light Sleep mode
Power Indicator
D203
Indicate the power on/off status
NETLIGHT
D304
Indicate the status of network connection
Test Points
J105
、
J106
、
J201
、
J202
Basic function to test the module
Table 2: Interfaces of BC660K-GL-TE-B
