L-854 Heliport VHF Radio Receiver controller of Helipad Lighting System L-854 FM radio receiver/decoder is designed to provide pilots direct air-to-ground control of heliport lighting systems Power supply: AC90V-264V, 50HZ – 60HZ Working temperature: Outdoor -40° - 55°, indoor -20° - 55° Receiving frequency: 118.000HZ – 135.975HZ, channel spacing 25000Hz channel GMS frequency band: 850MHZ, 900MHZ, 1800,1900MHz Sensitivity: 5 microvolts, adjustable.Signal output frequency: 50HZ Four outputs: RA, R3, R5, R7 Hunan Chendong Technology Co.,Ltd Phone/Wechat/What'sapp: +86-13342512879 T: +86-0731-85563265 E-mail : emma@chendongtech.com Website: www.cdt-en.com