SOS Transponder SART McMurdo S4 Rescue The new transponder Sart of McMurdo is the smallest in the market. Very easy to handle even with wet hands or gloves. Offers high reliability with a compact design. Works in the X-band 9 GHz, is designed for rescue operations, according to IMO and GMDSS requirements. When the S4 Rescue receives a radar signal automatically transmits a response signal that is easily identifiable on the radar screen because it is aligned with 12 points, once activated the S4 will remain in operation for 96 hours. Battery life 5 years, visual alarm, and optional built-in self test of internal or external mounting. Frequency: 9.2 to 9.5 Ghz Power: 400 mv. Weight: 360 g. (without stand or mast) Waterproof: 3 to 10 m.
