Wireless Medical Telemetry Service (WMTS)

Critical WMTS Update

A webinar held in September 2015 gives the latest information on an important Federal Communications Commission (FCC) decision that will allow unlicensed devices to operate on the same channel as the Wireless Medical Telemetry Service (WMTS) used by hospitals and other health care facilities. Watch the webinar to understand the issue, and be sure your facility’s wireless telemetry equipment is registered.

Mandated Hospital Registration

WMTS is the only frequency spectrum designated exclusively for medial telemetry systems. The FCC requires that all WMTS transmitters be registered with ASHE, the frequency coordinator for WTMS.

Register your health care facility’s devices>>



For questions on registering WMTS devices, contact Benjamin Leutze, Senior Advocacy Specialist at bleutze@aha.org, or contact Comsearch (ASHE’s technical partner for frequency coordination services) at 1-800-318-1234 or wmtssupport@comsearch.com.

User Guide

For detailed information about WMTS frequencies, why health care facilities should register, and instructions on using the WMTS Frequency Coordination Database, download the WMTS User Guide.


Additional Information

The FCC created the Wireless Medical Telemetry System (WMTS) in response to growing concerns about interference from digital television transmitters and other equipment. The FCC dedicated bands of frequencies to promote the interference-free use of medical telemetry systems important for patient monitoring. The FCC mandated that all WMTS transmitters be registered, and appointed ASHE as the frequency coordinator to handle registration. ASHE and its technical partner Comsearch provide frequency coordination services and device registration.

In addition to serving as frequency coordinator, ASHE also closely monitors FCC actions that have the potential to affect WMTS. For more information about FCC proposals and changes, visit the WMTS Reference Room.

WMTS Reference Room>>