712,Daerungpost-tower2cha,182-13,Guro-dong, Guro-gu
GPS Plotter,Maritime MF/HF Radio Transceiver (RC-15/25, RC-20TFT),Inaudible Frequency Band Sound Emitter,Sound Emitter System (WA-10),Ship',s Sound Signal Appliances,Search and Rescue Radar Transponder (RT-95),Dual-Band Navtex Receiver (NR-30),Marine Two-W