Complete System Engineering and Marine Equipment at attractive Duty Free prices. Signal Locker’s 21 years experience benefits a quick turn around time for your repairs. Signal Locker are authorised agents for B&G, Simrad Robertson, Raymarine, KVH, Mastervolt, Xantrex, Skymate, C-Map, Icom, Globalstar, Stratos and Navionics. Sales of equipment are expedited duty and tax free.