![background image](http://html.mh-extra.com/html/high-flying/hf-lpt271/hf-lpt271_user-manual_2130406013.webp)
1.2.4. On-board
PCB
Antenna
HF modules support PCB antenna option. When customer select 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.
Figure 5.
Suggested Module Placement Region
1.2.5. Evaluation Kit
High-Flying provides the EVK to promote user to familiar the product and develop the detailed
application. The evaluation kit shown as below, user can connect to module with the RS-232 UART,
USB (Internal USB to UARTconvetor) or Wireless interface to configure the parameters, manage the
module or do the some functional tests.
Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com)
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