ZCG CT700 Installation Manual

surface; 2 holes for bolts and the larger hole for the N-type female connector. Apply a silicone bead around base of connector and edge of CT700 low profi le antenna to reduce water ingression. Low Profi le, Ground Dependent UHF Antenna INSTALLATION GUIDE www.zcg.com.au  Mounts to any fl at metal surface at least 1 metre square, such as the roof of a vehicle..  N-type Female connector  Trains  Buses  Forklifts  Tractors  Forestry Vehicles  Logging Trucks  Police  Ambulance  Fire Brigade  Emergency Services  Security Services  Mining A detailed specifi cation sheet is available to download from www.zcg.com.au ANTENNA DESCRIPTION The low profi le, rugged and covert CT700 UHF antenna is an ideal choice in situations where a traditional whip would be vulnerable to damage or vandalism. Constructed from aluminium, delrin and a tri-metal plated N-type female connector, the antenna measures just 170mm long, 32mm wide and 32mm high. Typical applications suited for this low profi le antenna include : TUNING The CT700 has been factory tuned to work within the UHF frequency range 757-787MHz: The frequency range appears on the antenna label. VSWR has been optimised to better than 1.6:1 across the full band. This tuning cannot be altered. 757-787MHz 2.1 dBi Gain 2 x M6 stainless steel bolts, nuts and washers are recommended to secure the antenna fi rmly. The N-type Female connector protrudes through the metal ground plane surface to allow your feeder cable connected from underneath to be concealed and protected from damage. RU400 low loss or RG58 low loss are recommended for use as a feeder cable. To reduce signal loss, the cable should be kept to the shortest length necessary. Use proper tools to fi t appropriate connectors each end. Route the cable carefully to your mobile phone. If using cable ties, do not pull them so tight as to crush the cable. A damaged feeder cable is a cause of high VSWR and reduced performance. Connect the feeder cable to your mobile phone. Installation is now complete. SELECTING THE MOUNTING POSITION The typical mounting position for the antenna is to the fl at metal roof of a vehicle. The metal surface must be at least 1 metre square and acts as a ground plane. The antenna will then produce a near omnidirectional radiation pattern with 2.1 dBi gain, the same as a 1/4 wave whip. To achieve best performance from your antenna, these are the important principles you should consider when selecting the mounting point : 1. Mount the antenna in as high a place as possible. 2. Mount the antenna as far away from other antennas and metallic objects as possible to avoid interference and distortion of the near omnidirectional pattern. At least 350 mm side clearance is desireable, preferably more. ZCG Head Offi ce ZCG Head Offi ce 7 Hall Street, PO Box 7, Lindenow, Victoria, 3865, Australia Telephone (03) 5157 1203, Fax (03) 5157 1641 [email protected] ZCG Queensland ZCG Queensland Unit 14, 8-14 St Jude Court,Browns Plain, QLD, 4118 Telephone (07) 3800 1204, Fax (07) 3800 3651 [email protected] ZCG Western Australia ZCG Western Australia Unit 3, 32-34 VInnicombe Drive, Canning Vale, WA, 6155 Telephone (08) 6253 8950, Fax (08) 6253 8645 [email protected]