The Tokyo Sakae Senpaku Denki Co. Ltd. AUT. Marine Telephone Type AUP - 01 is purpose-built for reliable maritime communication. Designed with state-of-the-art technology, this robust device ensures clear and uninterrupted communication across the high seas. The device is marked with Serial no. AP-204 and weighs 7.5 kg, making it a sturdy and dependable choice for marine environments. Its advanced features include enhanced voice clarity and signal strength, tailored to withstand the challenging conditions of marine operations.