User's Manual

HF-BL100-CU Low Energy Bluetooh（BLE 4.0）Module User Manual
Shanghai High Flying Electronics Technology Co., Ltd www.hi-flying.com - 17
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 Antenna must away from high components at least 10mm
 Antenna can‟t be shielded by any metal enclosure.
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Figure 4. HF-BL100-CU PCB antenna position
High Flying suggest to locate HF-BL100-CU as Figure 5 shown to reduce the influence to
antenna and wireless signal as much as possible, or contact High Flying technique people for
support
Figure 5. HF-BL100-CU Module Reference Placement