Comtech CDM-570A/L-IPEN Satellite Modems

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Product Information

  • Type: SCPC
  • Frequency: 70/140mhz L
  • Brand: Comtech EF Data
  • SKU: CMT105

Tech Specifications

Datasheet PDF


The CDM-570A-IPEN and the CDM-570AL-IPEN are our next generation IP-centric satellite modems with data encryption that provide industry-leading performance and flexibility in a 1 RU package at a very competitive price. With their innovative architecture and support for advanced capabilities including VersaFECĀ® low latency LDPC Forward Error Correction (FEC), the revolutionary DoubleTalkĀ® Carrier-in-CarrierĀ® bandwidth compression, and optimized transmit filter rolloffs, the CDM-570A-IPEN and CDM-570AL-IPEN allow for efficient IP networking and transport over satellite links while supporting a wide range of applications and network topologies. The modems are available with 70/140 MHz or L-Band IF. In addition to the 10/100Base-T Ethernet traffic interface, CDM-570A/L-IPEN include serial and G.703 data interfaces to support legacy applications and assist in migrating from legacy to IP transport.


  • 3xDES Encryption for transport security
  • Integrated high performance Packet processor with 10/100Base-T Ethernet traffic port
  • Static IP routing for unicast and multicast
  • Advanced Quality of Service (QoS)
  • Header and payload compression for maximum efficiency
  • IGMP v1 and v2
  • VLAN capability with 802.1Q compliant QoS
  • Support for mesh, star and hybrid network topologies
  • Vipersat Management System (VMS) integration
  • DoubleTalk Carrier-in-Carrier bandwidth compression with Automatic Power Control (CnC-APC)
  • VersaFEC low latency LDPC with Adaptive Coding & Modulation (ACM) for point-to-point IP Circuits
  • Optimized Transmit Filter Rolloff: 5%, 10%, 15%, 20%, 25% and 35%
  • Data rate range from 2.4 kbps to 10.239 Mbps
  • CDM-570A-IPEN: 50 to 90 or 100 to 180 MHz IF range
  • CDM-570AL-IPEN: 950 to 2250 MHz IF range
  • Modulation types: BPSK, QPSK, OQPSK, 8PSK, 8-QAM, 16-QAM
  • Forward Error Correction (FEC) choices include VersaFEC, Turbo Product Code (TPC), Viterbi, Reed-Solomon, and Trellis Coded Modulation (TCM)
  • Management port: 10/100Base-T Ethernet
  • Standards based management via SNMP, Web, or Telnet
  • Automatic Uplink Power Control (AUPC)
  • Embedded Distant-end Monitor and Control (EDMAC/EDMAC2)
  • 1:1 Redundancy options
  • CDM-570A-IPEN: FSK communications to CSAT-5060 or KST-2000A
  • CDM-570AL-IPEN: 10 MHz reference for BUC, FSK communications and optional BUC power supply
  • CDM-570AL-IPEN: 10 MHz reference and power supply for LNB

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