Frequency Management and Channel Selection
Installation 2-11
Note — Per U.S. Federal Communications Commission (FCC) rules (Section
95.1111), operation of WMTS equipment requires device registration with an
authorized Frequency Coordinator designated by the FCC before the equipment is
commissioned. The American Society for Healthcare Engineering (ASHE) is the
current designated Frequency Coordinator.
The Smart-hopping channels that can be used, will be determined by this
coordination process. A minimum of three Smart-hopping channels is required for
proper operation of the system, but using more channels will improve
performance. Smart-hopping channels are configured in the Access Point
Controller.
Frequency Coordination (USA, WMTS only)
Frequency coordination is a registration and coordination process for wireless
medical telemetry devices used in the U.S.A. which operate in the FCC-allocated,
protected Wireless Medical Telemetry Service (WMTS) bands (608-614 MHz, 1395-
1400 MHz, 1427-1432 MHz).
Registration/Coordination is a two-step process.
Step 1: Registration of Facility: The healthcare facility must first register with
ASHE. This is a lifetime, one-time application per facility. Facility registration
confirmation must be received before proceeding to the next step, Registration of
Devices and Frequency Coordination.
Some helpful links:
For general WMTS information: http://www.ashe.org/wmts/index.shtml
For a WMTS guide with registration instructions:
http://comsearch.com/products/online-tools/wmts-frequency-coordination/
Facility Registration: https://www.wmtssearch.com/wmts/controller and select
“Secure a WMTS Account Now”
Step 2: Registration of Devices and Frequency Coordination: After
confirmation of registration, frequency coordination can begin. This step involves
logging the equipment and frequencies used into the FCC’s database, so as to
identify any existing potential interference and to help prevent potential future
interference. Frequency coordination is accomplished via the ASHE website
provided above. The way the frequency coordination process is executed as of
today, it will need to be repeated twice; once for 1395-1400 MHz band, and then
again for the 1427-1432 MHz band, both of which are used concurrently by the
Philips product. There is a separate fee for each coordination request. A certificate
for each frequency band is issued.
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