Key Features - Quectel NB-IoT Module Series Hardware Design

2.2. Key Features

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