Data Sheet

Physical Dimensions / PCB Footprint
Part No
Product
See Last Page
LM843
LM843 WiFi 802.11ac / Bluetooth® 5.0 2T2R Combi USB Module
XCVR SMT USB Module
LM843
Page 6 of 12
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SW1
R2 10k
GPIO3
VDD33
C4
10nF
21
The external circuit for WiFi activity LED (factory option)
R7
100k
VDD33 WL_LED
1K0R
12
The external circuit for WiFi activity WPS display
25mm +- 0.2 23.61 mm
12 mm +- 0.2
TOP VIEW SIDE VIEW
1.5mm 1.5mm 1.4mm
1mm 1mm
2mm
7.6mm
IPEXx2
0.7mm
1.9 +-0.2mm
1.5mm 1.5mm
IPEX Connector Dimensions
GPIO8 Pin Out
Option for WiFi activity LED (factory option)
2.60±0.10
0.60
0.60
0.60
0.10
0.25
AA
MAX
0.25±0.050
ø1.85±0.050
ø2.00±0.050
3.10
1.80±0.050
0.25±0.050
2.60±0.10
A
A
0.15
30.00°
ø1.70±0.050
ø1.00
ø0.50±0.050
Ground Contact
Contact
Housing
SECT A-A
A
A
B
0.050 B
0.10
1.25±0.050
0.90±0.05
0.05
0.35