RFD21733 Datasheet, PDF (61/76 Pages) List of Unclassifed Manufacturers – Compliance Approved 2.4 GHz RF Transceiver Modules with Built-In RFDP8 Application Protocol

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7/10/2011 1:40 AM
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RFD21733 • FCC • IC
RFD21743 • FCC
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RFDP8
RF Module
RFD21733
RFD21735
RFD21737
RFD21738
RFD21739
RFDP8
RFDANT
RFD21742
RFD21743
RFD21772
RFD21773
KEYFOBs
RFD21731, RFD21732, RFD21733 - Layout Examples 2
The gray area shows where to keep free from copper and components. The one-inch length copper
area is optional, however does improve the range if you can add it. Parts can be placed all over the
rest of the board, however if possible keep about a half-inch distance from the one inch length
ground area to the right of the module, again, only if possible. Also the signal connections to the
module can be made on either layer. The electrical ground connection to the module is to be made
with a thin trace so the one inch ground plane off to the side can be effective.
RF Signals in this area.
If you place anything such as components, wires, metal parts of any type in this area, it will block the RF
signals and drastically limit your range. Leave this area open.
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