User's Manual

RN-42 Specification
7.6 Minimizing radio interface
When laying out the carrier board
for the RN42 module the areas
under the antenna and shielding
connections should not have
surface traces, GND planes, or
exposed vias. (See diagram to right)
For optimal radio performance the
antenna end of RN42 module
should protrude 5mm past any
metal enclosure.
7.7 Soldering reflow profile
z Lead-Free Solder Reflow
z Temp: 230 degree C, 30-40 seconds, Peak 250 degree C maximum.
z Preheat temp: 165 +- 15 degree C, 90 to 120 seconds.
z Time: Single Pass, One Time
Flaircomm Technologies Confidential 13