Microchip Technology TXRX Module 868 MHZ ULP SUB GHZ MRF89XAM8A-I/RM MRF89XAM8A-I/RM Data Sheet
Product codes
MRF89XAM8A-I/RM
© 2010 Microchip Technology Inc.
Preliminary
DS70651A-page 7
MRF89XAM8A
FIGURE 1-5:
MOUNTING DETAILS
3.4”
3.4”
0.4”
0.4”
Edge of PCB
0.470”
Keep area around antenna
(approximately 3.4 inches (8.6
cm)) clear of metallic structures
for best performance.
(approximately 3.4 inches (8.6
cm)) clear of metallic structures
for best performance.
Host PCB Top Copper Ground
Plane (Antenna Counterpoise):
Extend the host PCB top copper
ground plane under and to the left
and right side of the module at
least 0.4 inches (1 cm) for best
antenna performance.
Plane (Antenna Counterpoise):
Extend the host PCB top copper
ground plane under and to the left
and right side of the module at
least 0.4 inches (1 cm) for best
antenna performance.