Television Aerials
RF Venue Diversity ARC Antenna
RF Venue Div Architectural Antenna, High-Performance Antenna System, Frequency range: 470 - 698 MHz, Impedance: 50 Ohm, Polar pattern: omnidirectional, Connection: BNC, Dimensions (W x H x D): 280 x x280 x 50 mm, Weight: 0.9 kg, Colour: White,...
https://www.bizrate.co.uk/televisionaerials/rf-venue-diversity-arc-antenna-oid32848020224.html