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The KANNAD Rescuer-2 Search & Rescue Transponder (SART) is a 9GHz receiver / transmitter. On receiving a pulse from any standard 9GHz x-band radar, the SART immediately transmits a signal which clearly identifies the survival craft on the radar screen by means of a series of 12 in-line dots. Once activated, the Rescuer-2 SART will remain in standby mode for over 96 hours.

The S4 is fully approved and has been designed for assisting in air/sea rescue operations in accordance with IMO, GMDSS requirements. Designed to meet the toughest of marine environments, the S4 has been proven in use world-wide.

Features:

Receiver Response 9.2 - 9.5 GHz, sensitivity better than -50dBm.
Transmitter Response 12 forward and return sweeps through the range 9.2 to 9.5GHz. Nominal sweep times 7.5ms forward and 0.4ms return.
Minimum Recovery time following excitation, less than 10ms.
Response reply to receiver signal less than 0.5ms.
Radiated Power (EPIRB) Not less than 400mW (+26dBm)
Duration of Operation 96 hours in standby condition followed by a minimum 8 hours of transmission while being continuously interrogated with a pulse-repetition frequency of 1kHz.
Temperature Range -20dC to +55dC operational, -30dC to 65dC storage
Antenna Characteristics Vertical beamwidth at least +/-12.5 degree relative to the horizontal plane of the radar transponder to +/-2dB.
Azimuthal beamwidth omnidirectional to +/-2dB
Effective Antenna Height 1 meter or greater.
Weight 950g (without Bracket)
Dimensions 300mm long x 62 mm diameter