User's Manual

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) - 11 -