Shanghai MXCHIP Information Technology Co. Ltd. EMW3239 Benutzerhandbuch

Application Note

[Page 2]

Design Considerations of EMW3239

Content

User Manual of EMW3239 ................................................................................................................................................ 1

Version Record .................................................................................................................................................................... 1

Introduction ................................................................................................................................................................. 4

Considerations in Hardware Design ......................................................................................................................... 6

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On-board PCB Antenna Design ........................................................................................................... 9

External Antenna ............................................................................................................................... 10

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Downloading Firmware and Storage Test Method ................................................................................................ 12

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WITCH SET UP IN

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Environment Set Up .......................................................................................................................... 15

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SMT ........................................................................................................................................................................... 17

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Mass Production Test and Product Update ............................................................................................................ 18

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Half Secondary Development of Firmware ....................................................................................... 18

Complete Secondary Development of Firmware .............................................................................. 18

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Technical Support ..................................................................................................................................................... 19

7.

FCC Statement .......................................................................................................................................................... 20

Figure Content

Figure 1.1 Top View of EMW3239-P .................................................................................................................. 4

Figure 1.2 Top View of EMW3239-E .................................................................................................................. 4

Figure 2.1 Top View of Mechanical Size ............................................................................................................. 6

Figure 2.2 Side View of Mechanical Size ............................................................................................................ 6