User's Manual
C o n n e c t i v i t y f o r I n n o v a t i o n V1.3 Date:2022/01/06
11
4.Basic Usage
Application Circuit
When using this module, the main attention is paid to the handling of power ripple.HLM7
932,HLM9931,HLM9932,HLM9933,HLM5934,HLM8934's Pin2 is NC.
Layout
• Try to give this module a separate power supply and ensure that the power ripple is as
small as possible.
• If you use IPEX to connect to an external antenna, take care to consider the lightning
protection design of the external antenna.
• Stay away from high voltage circuits, high frequency switching circuits.