RECEIVER/DECODER

Radio Section: Frequency: 450-470 MHz (HF and VHF frequencies available)

Sensitivity: 0.5 uV.

Signal-to-Noise Ratio: 12 dB SINAD

Electronics:

• FSK Signal Decoder
• CMOS Integrated Circuit Logic

Outputs:  Form C relay contacts, optional (24VDC, 250 ma. resistive)

Controls:

• Power switch, toggle
• Alarm Silence, on board (ext. control switch by others)
• Lamp Test Switch, on board (ext. control switch by
• others)
• Audio output for receiver testing

Indicator Lamps:

• Green LED, power
• Red LED, supervision active
• Red LED, jamming present

Power Supply: 12 VDC, 1 amp provided from wall-mounted plug-in transformer (included).

Battery Back-up: 12 VDC, 2.2 AH installed in enclosure (optional).

Temperature Range:   0^oC to +55^oC (32^oF to 131^oF)

Enclosure:

• 18" X 14" X 4" (47mm X 36mm X 10.5mm)
• NEMA 1-style steel-hinged enclosure
• Additional room provided for interface equipment.

Weight:  5 lbs.

Connections:  Captive screw-type, numbered and color coded

RADIO TRANSMITTER

Frequency Range:  450-470 MHz (HF and VHF frequencies available)

Power output:  2 watts into 50 ohms, 5 watts (optional)

Signal input:

• Current loop from encoder unit
• 2000 ohm maximum loop resistance

Indicator Lamps:

• Green LED, power
• Red LED, transmit

Controls:

• Power switch, toggle
• Test transmit switch, push button

Power Supply:  12 VDC, 1.5 amp plug-in power supply (included)

Battery Back-up:  12 VDC, 4.5 AH installed in enclosure (optional)

Temperature Range:   -25^oC to +55^oC (-13^oF to 131^oF)

Enclosure:  

• 12" X 12" X 4" (30.5mm X 30.5mm X 10mm)
• NEMA 1 steel enclosure
• NEMA 4 environmental enclosure (optional)

Weight:  14 Lbs.

Connections:  Captive screw-type, color coded

ALARM ENCODER

Alarm Inputs:  8 inputs per basic encoder. Expandable in groups of 8 inputs to a maximum of 64 inputs. All inputs optically isolated.

Signal Output:  2-wire ``telephone line" current loop compatible with radio transmitter input.  2000 ohm maximum loop resistance. Typical encoder to transmitter distances up to 3000 feet.

Indicator Lamps:

• Green LED, power
• Red LED, transmit

Controls:

• Power switch, toggle
• Manual keying test switch, push button

Power Supply:  12 VDC, 1.5 amp provided from wall mounted plug-in transformer (included).

Battery Back-up:  12 VDC, 2.2 AH installed in enclosure (optional).

Temperature Range:   0^oC to +55^oC (32^oF to 131^oF)

Enclosure:

• 18" X 14" X 4" (47mm X 36mm X 10.5mm)
• NEMA 1-style steel-hinged enclosure
• Additional room provided for interface equipment.

Weight: 5 Lbs.

Connections:  Captive screw-type, numbered and color coded