User's Manual

SUMMITSEMICONDUCTORLLC

22867NWBennettStreet,Suite200
Hillsboro,OR97124USA
Phone:5036157700Fax:5036154232
http://www.summitsemi.com

2.10 FCCInterimSolutiontoDFSbandinterferencewithWeather
Radar
.
The slave device firmware is written to prevent usage of channel 120, 124, and 128 (5600, 5620,
5640 MHz).
CAUTION:THEOPERATIONOFTHISDEVICEINTHE5.15GHzto5.25GHz
FREQUENCYBANDISRESTRICTEDTOINDOORUSEONLY
3 OEMInstallationInstructions
In order to maintain compliance with FCC, Industry Canada, and any other applicable regulations, it
is required of the OEM or module level customer to adhere to the guidelines listed in this manual.
3.1 Mountinghardware
The slave device printed circuit board provides four 3.5mm diameter holes intended to house up to
3mm diameter mounting hardware. The installation does not require metal mounting standoff
hardware for grounding purposes but that is recommended.
4 OEMOperatingEnvironment
Operating Temperature: 0 to 70C pcb ambient
Storage Temperature: -40 to 85C pcb ambient
Humidity: 85%, 85degC pcb ambient
5 OEMOperatingInstructions
The 444-2224 Wireless Audio Client device is a production ready module designed for active
speakers in Summit Semiconductor’s wireless audio technology. The module mounts to the top
interior wall of a typical speaker. The module includes a patented, low cost, high gain quad diversity
PCB antenna integrated in the module to provide superior wireless performance without external
antennas. A 24 pin interface provides, I2S digital audio outputs, power, I2C and GPIO signals for
control of the amplifier and power supply.