Goto Section: 17.241 | 17.243
FCC 17.242
Revised as of June 29, 2005
Goto Year:2004 |
2006
Sec. 15.242 Operation in the bands 174-216 MHz and 470-668 MHz.
(a) The marketing and operation of intentional radiators under the
provisions of this section is restricted to biomedical telemetry
devices employed solely on the premises of health care facilities.
(1) A health care facility includes hospitals and other establishments
that offer services, facilities, and beds for use beyond 24 hours in
rendering medical treatment and institutions and organizations
regularly engaged in providing medical services through clinics,
public health facilities, and similar establishments, including
governmental entities and agencies for their own medical activities.
(2) This authority to operate does not extend to mobile vehicles, such
as ambulances, even if those vehicles are associated with a health
care facility.
(b) The fundamental emissions from a biomedical telemetry device
operating under the provisions of this section shall be contained
within a single television broadcast channel, as defined in part 73 of
this chapter, under all conditions of operation and shall lie wholly
within the frequency ranges of 174-216 MHz and 470-668 MHz.
(c) The field strength of the fundamental emissions shall not exceed
200 mV/m, as measured at a distance of 3 meters using a quasi-peak
detector. Manufacturers should note that a quasi-peak detector
function indicates field strength per 120 kHz of bandwidth ±20 kHz.
Accordingly, the total signal level over the band of operation may be
higher than 200 mV/m. The field strength of emissions radiated on any
frequency outside of the television broadcast channel within which the
fundamental is contained shall not exceed the general limits in
Sec. 15.209.
(d) The user and the installer of a biomedical telemetry device
operating within the frequency range 174-216 MHz, 470-608 MHz or
614-668 MHz shall ensure that the following minimum separation
distances are maintained between the biomedical telemetry device and
the authorized radio services operating on the same frequencies:
(1) At least 10.3 km outside of the Grade B field strength contour (56
dBuV/m) of a TV broadcast station or an associated TV booster station
operating within the band 174-216 MHz.
(2) At least 5.5 km outside of the Grade B field strength contour (64
dBuV/m) of a TV broadcast station or an associated TV booster station
operating within the bands 470-608 MHz or 614-668 MHz.
(3) At least 5.1 km outside of the 68 dBuV/m field strength contour of
a low power TV or a TV translator station operating within the band
174-216 MHz.
(4) At least 3.1 km outside of the 74 dBuV/m field strength contour of
a low power TV or a TV translator station operating within the bands
470-608 MHz or 614-668 MHz.
(5) Whatever distance is necessary to protect other authorized users
within these bands.
(e) The user and the installer of a biomedical telemetry device
operating within the frequency range 608-614 MHz and that will be
located within 32 km of the very long baseline array (VLBA) stations
or within 80 km of any of the other radio astronomy observatories
noted in footnote US 311 of Section 2.106 of this chapter must
coordinate with, and obtain the written concurrence of, the director
of the affected radio astronomy observatory before the equipment can
be installed or operated. The National Science Foundation point of
contact for coordination is: Spectrum Manager, Division of
Astronomical Sciences, NSF Rm 1045, 4201 Wilson Blvd., Arlington, VA
22230; tel: (703) 306-1823.
(f) Biomedical telemetry devices must not cause harmful interference
to licensed TV broadcast stations or to other authorized radio
services, such as operations on the broadcast frequencies under
subparts G and H of part 74 of this chapter, land mobile stations
operating under part 90 of this chapter in the 470-512 MHz band, and
radio astronomy operation in the 608-614 MHz band. (See Sec. 15.5.) If
harmful interference occurs, the interference must either be corrected
or the device must immediately cease operation on the occupied
frequency. Further, the operator of the biomedical telemetry device
must accept whatever level of interference is received from other
radio operations. The operator, i.e., the health care facility, is
responsible for resolving any interference that occurs subsequent to
the installation of these devices.
(g) The manufacturers, installers, and users of biomedical telemetry
devices are reminded that they must ensure that biomedical telemetry
transmitters operating under the provisions of this section avoid
operating in close proximity to authorized services using this
spectrum. Sufficient separation distance, necessary to avoid causing
or receiving harmful interference, must be maintained from co-channel
operations. These parties are reminded that the frequencies of the
authorized services are subject to change, especially during the
implementation of the digital television services. The operating
frequencies of the part 15 devices may need to be changed, as
necessary and in accordance with the permissive change requirements of
this chapter, to accommodate changes in the operating frequencies of
the authorized services.
(h) The manufacturers, installers and users of biomedical telemetry
devices are cautioned that the operation of this equipment could
result in harmful interference to other nearby medical devices.
[ 62 FR 58658 , Oct. 30, 1997]
Goto Section: 17.241 | 17.243
Goto Year: 2004 |
2006
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