EWC29 CLASS 3 (& CLASS 2) is a reliable, high performance & low power consumption S-band transponder, which was developed by CNES (French Space Agency) and Syrlinks for medium-size platforms. The 1st Generation of SYRLINKS S Band transceiver is named EWC15 and was co-designed with CNES in 1997, based on a innovative and reliable concept using qualified COTS and stressing tests on Qualification Model units. EWC15 has been already launched in numerous and famous missions, such as ROSETTA, DEEP-IMPACT, DEMETER, PARASOL, as of late 2020, more than 20 missions and LEO FM units.
Since 2014, Syrlinks offers a 2nd generation of S Band transceiver and transponder, named EWC29, based on space qualified components and fully compliant to ECSS-Q-ST-60C CLASS 3 standard.
Doppler (Coherent Mode) and Ranging features are available as options.