Data Sheet

Part No
Product
See Last Page
LM843
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module
XCVR SMT USB Module
LM843
Page 7 of 12
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ANT
ANT
RF Output is oered as either 2x IPEX or 2x Half Hole Terminal
Neither of these modules have an antenna, for certification purposes we have certifed these using an IPEX 3dBi IPEX to SMA Antenna,
this enables your design to use any antenna up to a maximum of 3dBi Gain, above this level and our certification will not be valid.
We oer free design in support, either to assist you or your third-party to ensure the correct placement and/or advice on how best an
antenna should be supported.
In order to get a better RF performance, please
don’t put any trace or copper plane under the
Black frame of the module.
Please have the impedance
of feed lines to be 50 ohms
from the RF output pin to
Antenna.
2 x IPEX Option
RF Line Out Option
Antenna Output Options