Comtech EF Data has begun high-volume production of its CDM-625 advanced satellite modem.
The CDM-625 provides bandwidth and power efficiency and combines the low-density parity check (LDPC) forward error correction (FEC) with the DoubleTalk Carrier-in-Carrier bandwidth compression. This new platform is suited for mobile and telecommunications operators, satellite service providers, government and military entities and enterprise users.
DoubleTalk Carrier-in-Carrier allows the transmit and receive carriers of a duplex link to share the same transponder space. LDPC is an advanced FEC capable of providing performance much closer to the Shannon limit compared to any other technique. The combination of LDPC and DoubleTalk Carrier-in-Carrier can enable savings in transponder bandwidth and power use as well as earth station BUC/HPA size.
For more information, visit www.gci.com.
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