Comtech Telecommunications Corp. [NASDAQ: CMTL] subsidiary, Comtech EF Data Corp., has received $2.6 million in orders for satellite communications equipment. The equipment will support an expansion project of a satellite-based cellular backhaul network to remote areas in Asia. The orders include a mix of Comtech EF Data products that include the CDM-Qx/L Multi-Channel Satellite Modem, the CDM-600/L Satellite Modem, Redundancy Switches and Converters. The CDM-Qx/L modems are the first Multi-Channel Satellite Modems with a modular architecture in a one-rack unit chassis.
The unique four-slot chassis architecture allows a cost-effective deployment of multiple modulators, demodulators or modems. The CDM-Qx/L‘s are also the first Satellite Modems to offer DoubleTalk Carrier-in-Carrier capability. Carrier-in-Carrier is based on Applied Signal Technology‘s DoubleTalk bandwidth compression technology. DoubleTalk uses "Adaptive Cancellation," a patented technology that allows the transmit and receive carriers of a full-duplex satellite link to be transmitted in the same transponder space.
The CDM-600/L modems are open network Satellite Modems with a range of interfaces, data rates and the industry’s most bandwidth-efficient forward error correction, Low Density Parity Check. Also supported with the CDM-600/L Satellite Modems are two variants of Drop and Insert for cellular backhaul, which provide the flexibility to transmit/receive fractional parts of a T1 or E1 data stream—Melville, New York
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