User Guide

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4 Electrical Interface and RF Specifications
4.1 About This Chapter
This chapter describes the mainly gives the electrical interface and RF specifications of the M3B
module, including:
 Power Supply Ratings
 IO Interface
 Working Current
 RF Performance
 ESD Feature
4.2 Power Supply Ratings
M3B module comes with VBAT voltage with the input voltage 3.3~3.6V and the input power at
least meets the requirement of 2.3A capacity. Table shows the power range of the M3B module.
Table 14 Input Power Range
Parameter Description Min. Typ. Max. Unit
uCloudlink M3B Mini PCIe-C _Hardware Design Guide_V1.0
3.8.1 Antenna connector specification
Figure 10 show s specification for antenna connectors