Technical Manual

0755-29129210
http://www.bluetoothdx.com
9．
LAYOUT Notes
DX2002 Bluetooth module works in 2.4g wireless band, should avoid the influence of various factors on wireless
transceiver, pay attention to the following points:
1. Avoid using metal shell for products surrounding
Bluetooth. When using part of metal shell, try to keep the
antenna part of the module away from the metal part. Keep the metal wires or screws inside the product away from
the antenna part of the module.
2. The antenna part of the module should be placed around the PCB of the carrier board, not allowed to be placed in
the board, and the carrier board below the antenna is empty, parallel to the antenna, not allowed to lay copper or
wire, or directly expose the antenna part of the carrier board.
3. It is recommended to use insulation material to isolate the module mounting position on the substrate, such as
placing a TopOverLay on the position.
PCB