Data Sheet

XCVR Block Diagram (Version with 2 x Onboard Metal Frame Antennas)
Part No
Product LM842
LM842 WiFi 802.11ac / Bluetooth® 5.0 2T2R USB Combi Adapter
USB 2.0 Interface
LM842
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Page 6 of 7
Datasheet Version Notes
Added version notes to datasheet.v1.0 20 JUN 2019
Text amendment on Block Diagram.v1.1 19 JUL 2019
Extended Temperature Range
Housing Insulation coupled with a PCB and BOM that use components rated at -40c, other than the Realtek IC that is a 0c rated component.
Our products undergo an intensive test regime which if the product sucessfully passes we then approve it for use at -20c and provide a
warranty for the product for two years. Our temperature test report is available upon request.
See Last Page
Tx / Rx
DPX
WiFi
Tx / Rx
DPX
WiFi / BT
Metal Frame
Antenna
Metal Frame
Antenna
OTP
3.3V 5V
D+
D-
8822CU
2.4GHz & 5GHz
XTAL
40MHz
HOST INTERFACE
USB 2.0 CONNECTOR
LDO