RFD21733 Datasheet, PDF (68/76 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 9
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. Solid blue areas are solder side
ground plane which can be used for user electronics as well as the module. These are all optional
configurations and only for reference. The two left examples are preferred, but the two right ones
will work as well, but will not have as good of an antenna pattern.
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