With 10m cable. All Future UHF channels are converted by this Aerial. Suitable for colour and black & white televisions. Horizontal & vertical adjustment. Electrically isolated for safety Anti-ghost reflector. Extra strong construction. Suitable for all UHF Bands. Suitable for basic UHF reception analogue TV ch. 21-69 With the design of the folding oscillator and six units, it has a strong directional and wide frequency band. The number of compatible DVB-T/H, DVB-T2, DMB- T/H, ISDB-T, ATSC-T, ADTB-T, etc. Specification Interface: English F female head Frequency range: 470 MHz -862MHz Channel: 21-69 Imped: 75 No.of elements: 10 Gain: 8-12dB Front-back ratio: 12-15dB Beam width Honz/vertical: H44 / V47 Length: 850mm The standing wave ratio: less than or equal to 2.0 Support bar diameter: 30 mm ~ 45 mm Polarization mode: horizontal Working temperature: - 40 - 70 Relative humidity: 5%-95% Air pressure: 86kPa-106kPa