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HF-LPT270 Series Wi-Fi&BLE User Manual

1.2.4. On-board Chip Antenna

HF modules 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, 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.

1.2.5. External Antenna

HF-LPT270-0(F) module supports external antenna(I-PEX) option for user dedicated application.

If user select external antenna,HF-LPT270-0(F) Wi-Fi modules must be connected to the 2.4G

antenna according to IEEE 802.11b/g/n standards. We can provide external antenna if needed.

Contact with our salesman.

Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com)

Figure 4.

Suggested Module Placement Region

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