Comtech CDM-840 Remote Router

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Product Information

  • Type: Routers
  • Brand: Comtech EF Data
  • SKU: CMT144

Tech Specifications

Datasheet PDF


Comtech EF Data’s Advanced VSAT Solutions portfolio provides high-performance satellite-based communication solutions for a diverse range of applications, including maritime and offshore communications, mobile backhaul with RAN optimization, IP trunking and backhaul, corporate and enterprise networks, emergency and disaster recovery. Incorporating advanced technologies developed by Comtech EF Data, AHA Products Group, Memotec and Stampede, the solutions provide unmatched performance, industry-leading bandwidth efficiencies and network optimization – while minimizing Total Cost of Ownership.


  • High-Performance Integrated Packet Processing
    • Layer 2 (Bridged Point to Multipoint - BPM) or Layer 3 (Routed) operation
    • Jumbo frame support
    • VLAN support in BPM mode
    • Advanced Quality of Service (QoS)
    • Header compression, including Layer 2 headers in BPM mode
    • Lossless payload compression
    • Ultra low overhead Streamline Encapsulation (TX)
    • Low overhead Enhanced Generic Stream Encapsulation (GSE) (RX)
  • Integrated with NetVue Integrated Management System and Vipersat Management System
  • Integrated E1 RAN Optimization
  • Simultaneous IP/Ethernet and E1 operation
  • Advanced Forward Error Correction
    • VersaFEC low-latency LDPC transmit
    • DVB-S2 receive
  • Adaptive Coding and Modulation (ACM) capable transmit and receive
  • Variable Coding and Modulation (VCM) capable receive
  • Transmit
    • Data rate: 16 kbps to 15.35 Mbps
    • Symbol rate: 16 ksps to 4.5 Msps
    • Modulation: BPSK, QPSK, 8-QAM, 16-QAM
    • Rolloff : 20%, 25%, 35%
    • Ultra low overhead Streamline Encapsulation
  • Receive
    • Frequency: 950 to 2150 MHz
    • Data rate: 1 Mbps to 160 Mbps
    • Symbol rate: 1 Msps to 62 Msps
    • Rolloff : 20%, 25%, 35%
    • Demodulation: QPSK, 8PSK, 16APSK, 32APSK
    • Low overhead enhanced Generic Stream Encapsulation
  • Operating Frequency: 950 to 2150 MHz
  • Traffic Interfaces:
    • 10/100/1000Base-T Ethernet
    • G.703 E1
  • Management Interface: 10/100Base-T Ethernet for web and SNMP
  • BUC and LNB support
  • 1:1 Redundancy

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