User's Manual

DFZM-E82xx
Data Sheet Sheet 33 of 41 Dec 31, 2013
Proprietary Information and Specifications are Subject to Change
 The onboard antenna keep out area, as shown in Figure 6-4, must be adhered to. In addition it is
recommended to have clearance above and below the PCB trace antenna (Figure 6-4) for optimal range
performance.
 Do not use a metallic or metalized plastic for the end product enclosure.
 Recommendation is to keep plastic enclosure clearance of 1cm from top and bottom of the DFZM-E82xx
onboard antenna keep-out area, if possible. 5-mm (0.2 in) clearance shall be the minimum as shown in
Figure 6-5.
Figure 6-5 Recommended clearance above and below the PCB trace antenna
6-2-1.Surface Mount Assembly
The reflow profile is shown in Figure 6-6.