User's Manual

8
Antenna and Cable Connections
The FCC Part 15 approved WHM900 RF Module comes equipped with a Reverse
Polarity SMA Female Jack for connection to a Reverse Polarity SMA Male plug antenna.
The WHM900 can be purchased with a ¼ Wave Omni-Directional Antenna with 2dBi
gain. The integrator may use other manufacturers antennas providing they are ¼ wave
Omni-Directional type with a gain of 2dBi or lower and meet the FCC Part 15 Antenna
Information listed in the FCC Compliance section of this manual. Note that a Reverse
Polarity SMA Antenna meets the FCC requirement for an antenna connection. A cable
may be added between the WHM900 and the antenna providing it meets the same
connection requirements as the antenna and providing that the finished product still
passes the FCC Part 15 Emissions Requirements.
FCC Compliance
The WHM900 module is designed for integration into a finished product. The WHM900
module is certified to meet the sections 247 and 249 of Part 15 of the FCC Rules. The
finished product containing the module must meet all other testing, labeling, and user’s
information requirements per Part 15 of the FCC rules.
FCC Antenna Information – Per FCC Part 15 rules, no antenna type other than that
furnished or approved by the responsible party (integrator or designer) shall be used with
the device. The use of a permanently attached antenna or an antenna that uses a unique
coupling to the device shall be considered sufficient. The manufacturer may design the
device so that a broken antenna is replaceable by the end user providing that a standard
antenna jack or electrical connector is not used. Refer to the FCC Part 15 Rules and
Regulations for more information.
WARNING: Using an antenna other then the type approved for
use with this product requires the finished product, with the
WHM900 module and new antenna type installed to be tested to
comply with all sections of FCC Part 15 requirements!