Goto Section: 90.245 | 90.248 | Table of Contents
FCC 90.247
Revised as of October 2, 2015
Goto Year:2014 |
2016
§ 90.247 Mobile repeater stations.
A mobile station authorized to operate on a mobile service frequency above
25 MHz may be used as a mobile repeater to extend the communications range
of hand-carried units subject to the following:
(a) Mobile repeaters and/or associated hand-carried transmitters may be
assigned separate base/mobile frequencies for this use in addition to the
number of frequencies normally assignable to the licensee.
(b)-(c) [Reserved]
(d) In the Industrial/Business Pool, on frequencies designated with an
“LR” in the coordinator column of the frequency table in § 90.35(b)(3), use
of mobile repeaters is on a secondary basis to the stations of any other
licensee. Hand carried units used in connection with mobile repeaters on
frequencies designated with an “LR” in the coordinator column of the
frequency table in § 90.35(b)(3) may operate only above 150 MHz and are
limited to a maximum output power of six watts. The frequency and maximum
power shall be specified in the station authorization.
(e) In the Industrial/Business Pool, on frequencies designated with an
“LR” in the coordinator column of the frequency table in § 90.35(b)(3), the
output power of a mobile repeater station, when transmitting as a repeater
station on the frequency used for communication with its associated
pack-carried or hand-carried units, shall not exceed 6 watts except when the
same frequency is also used by the same station for direct communication
with vehicular mobile units or with one or more base stations.
(f) When automatically retransmitting messages originated by or destined for
hand-carried units, each mobile station shall activate the mobile
transmitter only with a continuous access signal, the absence of which will
de-activate the mobile transmitter. The continuous access signal is not
required when the mobile unit is equipped with a switch that activates the
automatic mode of the mobile unit and an automatic time-delay device that
de-activates the transmitter after any uninterrupted transmission period in
excess of 3 minutes. For the purposes of this rule section the continuous
access signal can be achieved by use of digital or analog methods.
[ 43 FR 54791 , Nov. 22, 1978, as amended at 62 FR 18928 , Apr. 17, 1997; 75 FR 19284 , Apr. 14, 2019]
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Goto Section: 90.245 | 90.248
Goto Year: 2014 |
2016
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