Huawei MS2131 - Page 19

MS2131
Hardware Design Guide
MS2131 RF Features and Design Requirements
Issue 02 (2017-1-13)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
18
Figure 5-2 Recommended peripheral layout for the MS2131
Figure 5-3 Two common PCB layouts
Layout 1: The USB dongle is embedded in the longer edge of the PCB. Layout 2: The USB dongle is embedded in the shorter edge of the PCB.
If the terminal device is a rectangle (such as a POS device), the layouts shown in Figure 5-3
are recommended.
1
L
min
L
①
②
③
④
⑤