User Guide

12／35
USB Interface
Compliant with USB2.0 specification (slave only)，the data transfer can
reach up to 480 Mbps.
Used for firmware upgrade, AT command, data transmission, log
output;
USB driver: Support Windows 7, Windows 8/8.1, Linux 2.6 or Later,
Android 4.0/4.2/4.4/5.0
AT Commands Compliant with 3GPP TS 27.007, 27.005 and enhanced AT commands
Antenna Interface
Support main antenna pad, diversity antenna pad
Dimension and weight
Dimensions (L x W x H): 51.0 mm ×3 0.0 mm×4 .9 mm
Weight: about 11 g
Operating Temperature
Normal operating temperature: -20°C ~+65°C
1)
Extended operating temperature: -40°C ~ +85°C
2)
Firmware upgrade USB interface or FOTA interface
RoHS All hardware components meet the EU RoHS standard
Note
1)
when M3B module works within this temperature range, and all its RF performances comply
with the 3GPP standard requirements.
uCloudlink M3B Mini PCIe-C _Hardware Design Guide_V1.0