Quectel NB-IoT Module Series, Проектирование аппаратного обеспечения

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NB-IoT Module Series
BC66 Hardware Design
BC66_Hardware_Design 10 / 50
2.2. Key Features
The following table describes the detailed features of BC66 module.
Table 2: BC66 Key Features
Feature Details
Power Supply

Supply voltage: 2.1V ~ 3.63V

Typical supply voltage: 3.3V
Power Saving

Power consumption: TBD
Frequency bands
LTE Cat NB1:

B1/B2*/B3/B5/B8/B12*/B13*/B17*/B18*/B19*/B20/B25*/B26*/B28*/B66*
Transmitting Power

23dBm±2dB
USIM Interface

Support USIM card: 1.8V
UART Interfaces
Main UART Port:

Used for AT command communication and data transmission

Also can be used for firmware upgrading

Default baud rate:115200bps
Debug UART Port:

Used for software debugging
Auxiliary UART Port:

Used for AT command communication and data transmission
Network Protocols

UDP/TCP/CoAP/LWM2M

PPP*/SSL*/DTLS*/FTP*

HTTP*/MQTT*/HTTPS*
SMS*

Text/PDU Mode
Data Transmission
Features

Single-tone: 25.5kbps (DL)/16.7kbps (UL)

Multi-tone*: 25.5kbps (DL )/62.5kbps (UL)
AT Commands*

3GPP TS 27.005/3GPP TS 27.007 AT commands and Quectel enhanced
AT commands
Firmware Update

Upgrade firmware via main UART port or DFOTA *
Real Time Clock

Supported
Physical
Characteristics

Size: (17.7±0.15) × (15.8±0.15) × (2.0±0.2)mm

Weight: 1.2g±0.2g
Temperature Range

Operation temperature range: -35°C ~ +75°C
1)

Extended temperature range: -40°C ~ +85°C
2)

Storage temperature range: -40°C ~ +90°C