Goto Section: 15.317 | 15.321 | Table of Contents
FCC 15.319
Revised as of October 2, 2015
Goto Year:2014 |
2016
§ 15.319 General technical requirements.
(a) [Reserved]
(b) All transmissions must use only digital modulation techniques. Both
asynchronous and isochronous operations are permitted within the 1920-1930
MHz band.
(c) Peak transmit power shall not exceed 100 microwatts multiplied by the
square root of the emission bandwidth in hertz. Peak transmit power must be
measured over any interval of continuous transmission using instrumentation
calibrated in terms of an rms-equivalent voltage. The measurement results
shall be properly adjusted for any instrument limitations, such as detector
response times, limited resolution bandwidth capability when compared to the
emission bandwidth, sensitivity, etc., so as to obtain a true peak
measurement for the emission in question over the full bandwidth of the
channel.
(d) Power spectral density shall not exceed 3 milliwatts in any 3 kHz
bandwidth as measured with a spectrum analyzer having a resolution bandwidth
of 3 kHz.
(e) The peak transmit power shall be reduced by the amount in decibels that
the maximum directional gain of the antenna exceeds 3 dBi.
(f) The device shall automatically discontinue transmission in case of
either absence of information to transmit or operational failure. The
provisions in this section are not intended to preclude transmission of
control and signaling information or use of repetitive codes used by certain
digital technologies to complete frame or burst intervals.
(g) Notwithstanding other technical requirements specified in this subpart,
attenuation of emissions below the general emission limits in § 15.209 is not
required.
(h) Where there is a transition between limits, the tighter limit shall
apply at the transition point.
(i) Unlicensed PCS devices are subject to the radiofrequency radiation
exposure requirements specified in § § 1.1307(b), 2.1091 and 2.1093 of this
chapter, as appropriate. All equipment shall be considered to operate in a
“general population/uncontrolled” environment. Applications for equipment
authorization of devices operating under this section must contain a
statement confirming compliance with these requirements for both fundamental
emissions and unwanted emissions. Technical information showing the basis
for this statement must be submitted to the Commission upon request.
[ 58 FR 59180 , Nov. 8, 1993, as amended at 59 FR 32852 , June 24, 1994; 59 FR 40835 , Aug. 10, 1994; 60 FR 13073 , Mar. 10, 1995; 61 FR 41018 , Aug. 7, 1996;
69 FR 62621 , Oct. 27, 2004; 69 FR 77949 , Dec. 29, 2004; 77 FR 43013 , July
23, 2012]
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Goto Section: 15.317 | 15.321
Goto Year: 2014 |
2016
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