High-Flying HF-LPT220, User Manual

Page: 15 / 65

HF-LPT220 Low Power WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com)
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1.2.3. Mechanical Size
HF-LPT220 modules physical size
（
Unit: mm
）
as follows:
Figure 1. HF-LPT220 Mechanical Dimension
HF-LPT220 Module PCB symbol size (mm) as follows:
Figure 2. HF-LPT220 PCB Symbol Size
1.2.4. On-board Chip Antenna
HF-LPT220 module support internal on-board chip antenna option. When customer select internal
antenna, you shall comply with following antenna design rules and module location suggestions:

For customer PCB, RED color region (5x5
mm) can’t put componet or paste GND net;

Antenna must away from metal or high components at least 10mm;

Antenna can’t be shieldedby any meal enclosure; All cover, include plastic, shall away from
antenna at least 10mm;