Helicopter antenna JH 18 B

VHFbroadband

JH 18 B VHF broad band antennas are designed to be used in pairs as part of a tactical homing system or as single units for communication. The antenna is encased in a single piece glass fibre reinforced epoxy shell. The rugged design and construction of the antenna helps it to withstand severe environmental conditions. This antenna is qualified and suitable for helicopters and subsonic aircraft. Tested as per MIL 810 D. VHF Stub Antenna Electrical Frequency Range135 MHz - 175 MHz VSWR2:1 (max) PolarizationVertical Radiation PatternOmnidirectional in azimuth Impedance RF50 Ω Static ProtectionDC Grounded Power RF35 W Mechanical Weight475 grams (max) Height445 mm (max) MaterialGlass Epoxy FinishGloss ConnectorTNC Female ColorWhite Environmental Temperature-55°C to +90°C Altitude50,000 feet