S5A AIS transponder, McMurdo radar transponder, S5A AIS transponder S4 S5

The British McMurdo S5 AIS transponder is a search and rescue transponder used for maritime emergency rescue. It has a built-in GPS system, which can transmit its own position information to other ships, and display information such as azimuth and distance on the AIS display. It is compact in size, with a built-in self-test device that makes self-detection more intuitive and simple, and a built-in tether for free retraction.
General specifications:
Battery capacity for at least 96 consecutive hours of operation
Battery life: 6 years (replaceable, lithium battery)
Weight
160g (main components)
450g (with mast)
940g (including outer packaging)
Dimensions H390X D80X W150(mm)
Operating temperature -20℃ ~ +55℃
Storage temperature -30℃ ~ +70℃
Waterproof depth 10m
Compliance standards:
AIS SART IEC 61097 -14, IEC 60945
RADIO ITU – R M.1371
GNSS/GPS IEC 61108-1
IMO MSC.246(83)
Performance indicators:
AIS transponder
Operating frequency 161.975MHz / 162.025 MHz
Power (EIRP) 1W
Signal category 1, 14
Modulation method GMSK
Antenna method
Effective antenna height 1.55m
GNSS GPS, 20 channels