mrf89xam8a Microchip Technology Inc., mrf89xam8a Datasheet - Page 9

• Manufacturer Part Number: mrf89xam8a
• Description: 868 Mhz Ultra-low Power Sub-ghz Transceiver Module
• Manufacturer: Microchip Technology Inc.

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