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2
Product Concept
BC66-TE-B is a NB-IoT development board which supports Arduino interface. Designed in 70.0mm ×
74.0mm × 1.6mm form factor, BC66-TE-B can be used either alone or in conjunction with STM32
Nucleo-64 development board, so as to develop and debug applications which communicate with
infrastructures of mobile network operators through NB-IoT radio protocols in 3GPP Rel. 13.
2.1. Key Features
The following table describes the detailed features of BC66-TE-B.
Table 1: Key Features of BC66-TE-B
Feature
Power Supply
Transmitting Power
Temperature Range
USIM Interface
UART Switch
USB Interface
BC66-TE-B_User_Guide
Details
USB interface:
Supply voltage range: 4.75V~5.25V
Typical supply voltage: 5.0V
Arduino interface:
Supply voltage range: 4.75V~5.25V
Typical supply voltage: 5.0V
23dBm± 2dB
Operation temperature range: -35° C ~ +75° C
Extended temperature range: -40° C ~ +85° C
Storage temperature range: -40° C ~ +90° C
Support 1.8V external USIM card
Used to switch the communication object of BC66 main UART port
Support three UART ports
Main UART (Interface0):
Used for AT command communication and data transmission.
By default, the module is in auto-baud mode, and it supports
automatic baud rates not exceeding 115200bps. When powering on
the module, the MCU has to send AT command consecutively to
synchronize baud rate with the module. When OK is returned, it
LPWA Module Series
BC66-TE-B User Guide
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