Comtech EF Data DMD-2050E - Manual (Page 33)

DMD2050E Universal Product Modem Introduction
MN-DMD2050E Revision 2 1– 3
• Switchable between spur-free 70/140 MHz and L-Band operations
• AC or DC Power Input
• Functions in virtually all Military and Commercial Satellite IP, Telecom, Video and Internet
applications
• Military standards include:
• MIL-STD-188-165A • STANAG 4486 Edition 3
• MIL-STD-188-16B (Draft Standard) • OM73
• Commercial standards include:
• IDR
• IBS
• DVB
1.2.2 Advanced Forward Error Correction and Modulation
The DMD2050E has bandwidth-efficient, advanced forward error correction (FEC). Advanced
FEC options include:
• Low Density Parity Check (LDPC)
• Turbo Product Codes (TPCs)
• 165B Turbo Codes
Legacy functions for Viterbi, Trellis, Concatenated Viterbi Reed-Solomon, and Sequential FEC
are included.
Modulation types include:
• BPSK • 8-PSK • 16-QAM
• QPSK • 8-QAM • 16-APSK
• OQPSK
1.2.3 Bandwidth Compression
DoubleTalk ® Carrier-in-Carrier ® bandwidth compression reduces satellite bandwidth requirements
and increases throughput without using additional transponder resources.