nu-TRAC TRC-1250 Specifications - Rojone Pty Ltd
nu-TRAC TRC-1250 Specifications - Rojone Pty Ltd
nu-TRAC TRC-1250 Specifications - Rojone Pty Ltd
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<strong>nu</strong>-<strong>TRAC</strong> ®<strong>TRC</strong>-<strong>1250</strong>ISO 9001 CertifiedProvides Interior RFCommunications• Tunnels• Subways• Ships• Metal Framed BuildingsAdvantages• Stable ElectricalPerformance• More flexible thancorrugated designs• No need for cablestandoffs<strong>nu</strong>-<strong>TRAC</strong> <strong>TRC</strong>-<strong>1250</strong> triaxial antenna cable is designed toprovide controlled coverage in areas where RF propagationfrom a point source antenna is ineffective. Examples ofcommon installations are subways, tunnels, ships, andmetal framed buildings. The cable can function both as atransmit and receive antenna over a broad range offrequencies. The unique triaxial design allows for the cableto be mounted directly to a wall, thus eliminating cablestandoffs and facilitating easy installation.The <strong>nu</strong>-<strong>TRAC</strong> series cables have been approved andinstalled in a wide range of tunnel applications includingThe New York City Transit Authority, London Underground,Beijing Metro, St Petersburg Metro and Moscow MonorailSystems.
<strong>nu</strong>-<strong>TRAC</strong> <strong>TRC</strong>-<strong>1250</strong> <strong>Specifications</strong>:System Design:The probability graphs below are intended as a guideto system design using <strong>nu</strong>-<strong>TRAC</strong> cable. By determiningall passive system losses including radiating cableatte<strong>nu</strong>ation, splitters, etc., and subtracting this <strong>nu</strong>mberin dB from the difference between the transmitterpower and the receiver sensitivity, a <strong>nu</strong>mber calledSystems Available Power (SAP) is found. This can belooked up in the appropriate graph and the probabilityof communication can be read.Connectors:The TRB-<strong>1250</strong> is an N-typeconnector designed for <strong>TRC</strong>-<strong>1250</strong> cable. It features easyinstallation with no specialtools required. Connection ismade to the inner conductorusing a standard self tapingcenter contact. The outer conductor isconnected by clamping the drain wires, which makeconti<strong>nu</strong>ous contact with the outer shield along thelength of the cable.Type No.Cables<strong>TRC</strong> <strong>1250</strong>-PE<strong>TRC</strong> <strong>1250</strong>-VW1<strong>TRC</strong> <strong>1250</strong>-FRConnectorsTRB <strong>1250</strong>-NFTRB <strong>1250</strong>-NMPart DescriptionPolyethylene - outdoor versionNon-halogen, fire retardant polyolefinHighly fire retardant non-halogen polyolefin“N” female connector“N” male connectorMechanical <strong>Specifications</strong>Performance Property Units US/MetricDiameter in.(mm) 1.67 / (42.4)Weight lb/ft(kg/m) 0.742/ (1.10)Crush Strength lb/in.(kg/mm) 300 / (5.3)Max.2 Ohm imp. changeTensile Strength lb (kg) 1500 / (680)Minimum bend radius lb/in.(kg/mm) 13.5 / (342)% Probability of CommunicationElectrical <strong>Specifications</strong>Performance Property Units US MetricVelocity of Propagation % 86Impedance Ohms 50VSWR, typical 150-900 MHz 1.2Coupling Loss dB @ 20 ft150 MHz 74450 MHz 79900 MHz 801900 MHz 782400MHz 79Atte<strong>nu</strong>ation dB / 100 ft / 100 meters150MHz 0.39 1.3450MHz 0.79 2.6900MHz 1.23 4.01900 MHz 1.95 6.402400MHz 2.40 7.90World Headquarters: 358 Hall Ave<strong>nu</strong>e, Wallingford, CT 06492 • Tel: 203-949-8400, 1-800-867-2629 Fax: 203-949-8423International Sales: 4 School Brae, Dysart, Kirkcaldy, Fife, Scotland KY1 2XB UK • Tel: +44(0)1592655428 Fax: +44(0)1592653162China Sales: 16F United Plaza, 1468 West Nanjing Road, Shanghai, China 200040 Tel: 86-21-32224506 Fax: 86-21-62898980www.timesmicrowave.com
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