AS/NZS 4768.3:2018 pdf free

09-01-2021 comment

AS/NZS 4768.3:2018 pdf free.Australian/New Zealand Standard Digital radio equipment operating in land mobile and fixed services bands in the frequency range 29.7 MHz to 1 GHz.
1.4.5 Communal site
A radiocommunications transmission/reception site a which a number of users have facilities that share common frequency bands of operation.
NOTE: Useful benchmarks for defining a communal site arc a site—
(a) that is dcscribcd by a circle of radius of up to 200 m; and
(b) at which three or more channels arc assigned from within any 20 MHz band.
1.4.6 Digital radio equipment
Analogue modulated equipment designed to carry data and digitally modulated equipment carrying speech and/or data.
1.4.7 Matching and combining network
An impedance matching network intended to facilitate the connection of two or more test signal sources to the receiver input.
l.4.H Mobile station
A radiocommunications transmitter, receiver or transceiver fitted with an antenna connector, for use with an external antenna, and intended for use from a vehicle while in motion or during halts at unspecified points
1.4.9 Multi-coupled base
A base station intended to be used in conjunction with other similar base stations at a communal site and connected by filtering to a common antenna.
1.4.10 Narrowband Area Service (NAS) station (transmitter)
A station that is operated under a broadcasting licence and provides one-way radio transmission to not less than four narrowband area receivers.
1.4.11 Personal mobile station
A radiocommunications transmitter, receiver or transceiver incorporating an integral antenna, and intended to be carried on the person or held in the hand.
1.4.12 Rated transmitter output power
The maximum power declared by the manufacturer available at the transmitter output, under standard test conditions, when the equipment is operated into the artificial load.
1.4.13 Radiofrequency (RF) control station
A mobile station established at a fixed location for the remote control of a base station that is used for communicating with mobile stations (trigger link).
1.4.14 Time-out timer (TOT)
A facility that disables the transmitter after a preset transmission period.
For the purposes of this Standard, the following abbreviations apply:
ac. Alternating current
ACMA Australian Communications and Media Authority APCO Association of Public-Safety Communications Officials-International C Celcius
d.c. Direct current.AS/NZS 4768.3 pdf download.

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