Comtech EFData CDM-570A/L & CDM-570A/L-IP Advanced Satellite Modem

Condition:New OEM
Model:CDM-570A/L & CDM-570A/L-IP
Manufacturer:Comtech EFData

Comtech EFData CDM-570A/L & CDM-570A/L-IP Advanced Satellite Modem

The Comtech EFData CDM-570A and the CDM-570AL are CEFD’s next generation satellite modems that provide industry-leading performance and flexibility in a 1RU package at a very competitive price. With support for VersaFEC-2 high performance LDPC and VersaFEC® low latency LDPC Forward Error Correction (FEC), the revolutionary DoubleTalk® Carrier-in-Carrier® bandwidth compression, and optimized transmit filter rolloffs, the CDM-570A and CDM-570AL provide significant bandwidth savings. This combination of advanced technologies enables multi- dimensional optimization, allowing satellite communications users to:

  • Minimize operating expenses (OPEX)
  • Maximize throughput without using additional transponder resources
  • Maximize availability (margin) without using additional transponder resources
  • Minimize capital expenses (CAPEX) by allowing a smaller BUC/amplifier and/or
  • antenna
  • Or, a combination to meet specific business needs

The modems are available with 70/140 MHz or L-Band IF and EIA-530/-422, V.35, sync EIA-232 and G.703 T1/E1 data interfaces.

The CDM-570A/L-IP includes a high- performance packet processor for IP-centric applications.



  • DoubleTalk Carrier-in-Carrier bandwidth compression
  • Carrier-in-Carrier Automatic Power Control (CnC-APC)
  • VersaFEC-2 High Performance LDPC
  • VersaFEC low latency LDPC
  • VersaFEC-2 and VersaFEC Adaptive Coding & Modulation (ACM) for point-to-point IP-circuits
  • 5%, 10%, 15%, 20%, 25% and 35% Transmit Filter Rolloff
  • Data rate range from 2.4 kbps to 10.239 Mbps
  • CDM-570A: 50 to 90 or 100 to 180 MHz IF-range
  • CDM-570AL: 950 to 2250 MHz IF-range
  • Modulation: BPSK, QPSK, OQPSK, 8PSK/8-QAM/8-ARY, 16-QAM/16-ARY, 32-ARY
  • Forward Error Correction (FEC) options include VersaFEC-2, VersaFEC, Turbo Product Code (TPC), Viterbi, Reed-Solomon, and Trellis Coded Modulation (TCM)
  • Data Interfaces: EIA-422/530, V.35, G.703 T1/E1, sync EIA-232, 10/100Base-T Ethernet (CDM-570A-IP and CDM-570AL-IP)
  • High-performance Packet Processor with 10/100Base-T Ethernet port (CDM-570A-IP and CDM-570AL-IP)
  • Vipersat Management System (VMS) integration (CDM-570A-IP and CDM-570AL-IP)
  • Header and payload compression ((CDM-570A-IP and CDM-570AL-IP)
  • Quality of Service (QoS) (CDM-570A-IP and CDM-570AL-IP)
  • Management via SNMP, Web, Telnet or Command Line Interface (CDM-570A-IP and CDM-570AL-IP)
  • 703 clock extension
  • Automatic Uplink Power Control (AUPC)
  • Embedded Distant-end Monitor and Control (EDMAC/EDMAC2)
  • CarrierID using Comtech EF Data’s MetaCarrier® spread spectrum technology
  • Redundancy options
  • CDM-570A: FSK communications to CSAT-5060 or KST-2000A
  • CDM-570AL: 10 MHz reference for BUC, FSK communications and optional BUC power supply
  • CDM-570AL: 10 MHz reference and power supply for LNB


Typical Users

  • Mobile Network Operators
  • Satellite Service Providers
  • Internet Services Providers
  • Enterprise
  • Offshore & Maritime

Common Applications

  • Mobile Backhaul
  • Offshore & Maritime Communications
  • Enterprise
  • Disaster Recovery & Emergency Communications
  • Communications on-the-Move
  • Satellite News Gathering


Comtech EFData CDM-570A/L & CDM-570A/L-IP Advanced Satellite Modem


Comtech EFData CDM-570A/L & CDM-570A/L-IP Advanced Satellite Modem

    Walter van der Plas

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