MRF89XAM8A Datasheet, PDF (9/34 Pages) Microchip Technology – 868 MHz Ultra-Low Power

FIGURE 1-5:
MOUNTING DETAILS
MRF89XAM8A
Edge of PCB
0.470”
0.4”
Keep area around antenna
(approximately 3.4 inches (8.6
cm)) clear of metallic structures
3.4”
for best performance.
3.4”
0.4”
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.
© 2010 Microchip Technology Inc.
Preliminary
DS70651A-page 7