Video/Power transmission Solutions
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Rack Mount Dual Video/Audio Transceiver

The NVT Rack Mount Dual Video/Audio Transceiver NV-518AR Dual Video/Audio Transceiver is a rack-mount device that contains one amplified receiver that allows transmission of real-time monochrome or color video and audio up to 3,000ft of Unshielded Twisted-Pair (UTP) telephone wire. An additional passive port is included allowing the support of bi-directional video, or as a second receive path up to 750ft (225m). Alternately, the ports may be combined to allow the NV-518AR to function as a repeater. Baseband (composite) signals of any type are supported. Applications include Security/Surveillance, Video Distribution, Video Conferencing, or Distance Learning.

The unparalleled interference rejection and low emissions of the Model NV-518AR allow video signals to co-exist in the same wire bundle as telephone, datacom, or low-voltage power circuits. This allows the use of a shared or existing cable plant. “Up-the-coax” type signal may be sent over the same wire pair. The NV-518AR card slides into the NV-RM15 chassis. For stand alone applications, use the NV-518A.

NV-518AR features include:

→ No power required
→ Built-in transient protection
→ Exceptional interference rejection
→ Supports “up-the-coax” type control signals
→ Frequency Response DC to 10 MHz
→ RJ45, BNC and 1/4” TRS
→ Limited lifetime warranty

Video Attenuation DC to 5 MHz 0.5 dB typ
Video Common-mode / Differential-mode rejection 15 KHz to 5 MHz 60 dB typ
Video Impedance Coax, RCA jack 75 ohms
Video Impedance UTP, RJ45 jack 100 ohms
Audio Attenuation 20 Hz to 20 KHz 1.5 dB typ
Audio Impedance 600 ohms
Audio Signal Line level 4 dBm max
Power LED Amber
Active LED Green When path “a” signal received
Network Wiring Four Unshielded Twisted Pairs 24-16 AWG (0,5-1,31mm)
Wire Category type 2 or better
Wire Impedance 100 ± 20 ohms
Wire DC loop resistance 52 ohms per 1,000ft(18 ohms per 100m)
Wire Differential capacitance 19 pF/ft max (62 pF/m max)
Wire length path “a” 3,000ft (1km) path “d” 750ft (225m) When connected to a passive transceiver
Connector Interfaces Video Female BNC jacks
Connector Interfaces Audio 1/4in (6mm) phone jack Tip= “ ” Ring= “-” Sleeve= no connection
Power No power required
Ambient temperature -20 to 75 °C
Humidity (non-condensing) 0 to 95%
Transient Immunity per ANSI / IEEE 587 C62.41
Dimensions, excluding connectors 5.75 x 3.60 x 1.15in (146 x 91,4 x 29,2mm)
Weight Transceiver alone 9oz (250g); With transformer and patch cord 16oz (450g)
Material Gray ABS
Mounting Two 3M Dual Lock adhesive strips
Dual Full-motion monochrome or color video and audio at distances up to 750ft (225m) when used with another NV-418A or NV-418AR; 3,000ft (1km) when used with an active receiver such as the NV-518A or NV-518AR


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Prices and specifications subject to change without notice.