Model Number: JR102-2BAs a weatherproof telephone,Website:http://www.jrtelephoness.com, it is fully contained within a corrosion resistant cast aluminium weatherproof case, resulting in a highly reliable product with a long MTBF.Ideal for Metro, Railway, Highway side, Marine, Mining, Tunnels, Steel Plant,Chemical plant,Power plant and related industrial application, etc.FEATURESStandard Analogue ...