User Guide

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3.8 Antenna Interface
The M3Bmodule provides two
antenna pads (main antenna pad and DIV
antenna pad) for connecting the external antennas.
Figure 9 Antenna Interface
3.8.1 Antenna Requirements
Table 13 lists the requirements for main antenna, diversity antenna .
Table 12 Antenna requirements
Type Requirements
Main Antenna Interface
DIV Antenna Interface
uCloudlink M3B Mini PCIe-C _Hardware Design Guide_V1.0
WCDMA/
TD-SCDMA/
LTE
VSWR: ≤ 2
Gain (dBi):
＜ ３ｄＢｉ
Max input power (W): 50
Input resistance(ohm): 50
Polarization type: vertical
Cable insertion loss: < 1dB
(WCDMA B8, LTE B8) Cable
insertion loss: < 1.5dB Cable
insertion loss: < 2dB