HF-LPX70 Series
Wi-Fi&BLE User Manual
1.2.3. HF-LPT170Mechanical Size
HF-LPT170 modules physical size
（
Unit: mm
）
as follows:
Figure 4.
HF-LPT170 Mechanical Dimension
1.2.4.
PCB Antenna
HF modules support internal
PCB antenna
option. When customer select internal antenna, you shall
comply with following antenna design rules and module location suggestions:
For customer PCB, module antenna area can’t put componet or paste GND net;(See the
following red arrow area)
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;
High-Flying suggest module better locate in following region at customer board, which to reduce the
effect to antenna and wireless signal, and better consult High-Flying technical people when you
structure your module placement and PCB layout.
Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com)
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