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Installation Location Requirements
When planning the system installation of a Transmitter with an External Antenna, Primex recommends taking into consideration the
below guidelines. Location is extremely important to ensure the best operation of your system.
NOTE
Prior to installation and to assure optimum performance of the system, it's recommended a site survey is completed by
Primex. The site survey includes an analysis and recommendation of the installation location of the system components
and ground plan omnidirectional antenna.
Transmitter should be located on the tallest building near center of area of coverage. In a multi-story building, locate
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Transmitter on the top floor; significantly improves coverage to the lower floors due to the "umbrella" pattern of transmission.
Transmitter must be located within 100 feet (30.4 m) from the antenna. The maximum cable length allowed between the
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External Antenna and Transmitter is 100 feet (30.4 m). The system is attenuated to the 100 feet (30.4 m) of coaxial cable;
typically figure between 80 to 85 feet of usable cable length.
Transmitter must be located a minimum of 4 feet (1.2 m) above the floor.
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Transmitter must be located within 5 feet (1.5 m) from a 120 VAC electrical outlet. 10 AMP dedicated service recommended.
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Transmitter enclosure clearance. 5 or 30 Watt Transmitter enclosure dimension is 18" L x 22" W x 22" D (46 cm L x 56 cm W x 56
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cm D), required wall space is 24" L x 30" H x 30" D, allowing for a minimum clearance of 4" (10 cm) rear, 12" (30.4 cm) front,
and 10" (25.4 cm) side. 1 Watt Transmitter enclosure dimension 17" L x 12" W x 2" D (5.08 cm L x 43.18 cm W x 30.48 cm D),
required area on the wall is 24" L x 18" W x 3" H.
Transmitter must be located in a controlled environment that is 32 to 122° F (0 to 50° C) and non-condensing humidity
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environment.
Transmitter shelf mounting: For 5 and 30 Watt Transmitter models, a shelf with enforcement must be provided that is 24" x 24"
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and support a weight of 60 lbs. A shelf for a 1 Watt Transmitter can be purchased from Primex.
External Antenna must be located at a minimum of 15 feet (4.5 m) clear from the radius of other antennas.
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External Antenna must be located at least 10 feet (3 m) from normal traffic area.
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External Antenna mast must be located within 10 feet (3 m) from earth ground.
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External Antenna cannot be placed on or directly adjacent to walls or metal structures.
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External Antenna cannot be located near television receiving antennas.
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External Antenna cannot be mounted indoors or in enclosed areas.
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External Antenna cannot be mounted to pre-existing antenna towers. If this is desired, contact Primex prior to installation.
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5 or 30 Watt Transmitter in healthcare facility: External Antenna must be located 30 feet (9 m) from any window or other glass
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openings. If Hospital Paging Link Receiver is located on roof, Primex is required to be supplied the frequency prior to
installation.
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