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Featured Satellite Modems Comparison

Industry Leading Bandwidth Efficiency

We offer two industry-leading brands – Comtech EF Data and Radyne – and the widest range of bandwidth-efficient Satellite Modems in the industry. Our award-winning Modems feature advanced technologies and support a variety of applications, including mobile & backhaul, government, premium enterprise and mobility.

High-Speed Modems

Model Frequency (MHz) Data Rate / Symbol Rate FEC Modulation Other
CDM-760
  • 50 – 180
  • 950 – 2150
  • Dual IF: 70/140, L-Band & L-Band monitor (standard)
  • 0.1 to >720 Mbps (Simplex), >1.4 Gbps (Duplex)
  • 0.1 – 150 Msps
  • DVB-S2
  • DVB-S2-EB1
  • DVB-S2-EB2
  • DVB-S2X
  • QPSK
  • 8PSK
  • 16APSK
  • 32APSK
  • 64APSK
  • 128APSK
  • 256APSK
  • Gigabit Ethernet with Super Jumbo Frame Support
  • Packet Processor with QoS & Header Compression
  • DoubleTalk® Carrier-in-Carrier®
  • ACM & CCM
  • Embedded MetaCarrier
  • K4 GZIP lossless compression
DM240XR
  • 50 – 180
  • 950 – 2050 (L-Band)
  • DVB-S: 1 – 238 Mbps & 1 – 68 Msps
  • DVB-S2: 1 – 190 Mbps & 1 – 45 Msps
  • Viterbi
  • Reed-Solomon
  • LDPC/BCH
  • DVB-S
  • DVB-S2
  • QPSK
  • 8PSK
  • 16APSK
  • 16-QAM
  • 32APSK
  • CCM, ACM, & VCM Modes
  • AutoEQ™ Uplink Equalization
  • Two Data Interface Slots (PIIC)
  • Embedded MetaCarrier
DMD2050E
  • 70 ± 18 & 140 ± 36 (IF)
  • 950 – 2000 (L-Band)
  • 2.4 kbps – 52 Mbps
  • 4.8 kbps – 30 Mbps
  • Viterbi
  • Reed-Solomon
  • Sequential
  • Trellis
  • 165B Turbo
  • TPC
  • LDPC
  • BPSK
  • QPSK
  • OQPSK
  • 8PSK
  • 8-QAM
  • 16-QAM
  • 16APSK
  • MIL-STD-188-165A/B
  • STANAG 4486 Edition 3
  • OM-73
  • IESS-308/309/310/314/315
  • EIA-530
  • EIA-613 (HSSI)
  • Gigabit Ethernet
  • AES-256 TRANSEC, FIPS-140-2 L2 Certified
  • DoubleTalk Carrier-in-Carrier
  • STANAG 4486 Edition 3
  • Information Throughput Adaptation (ITA)
SLM-5650B
  • 52 – 88
  • 104 – 176
  • 950 – 2000
  • 8 kbps to 155.52 Mbps
  • 32 ksps to 64 Msps
  • Viterbi
  • Reed Solomon
  • Trellis
  • Sequential
  • TPC
  • EBEM
  • LDPC
  • BPSK
  • QPSK
  • OQPSK
  • 8PSK
  • 8-QAM
  • 16-QAM
  • 16APSK
  • MIL-STD-188-165A/B
  • Fully complies with STANAG 4486 Edition 3, Annex E (EBEM)
  • Supports FIPS 140-2 certified encryption
  • Direct sequence spread spectrum
SLM-5650C & SLM-5650C ODU
  • 950 – 2000
  • 8 kbps to 155.52 Mbps
  • 32 ksps to 64 Msps
  • Viterbi
  • Reed Solomon
  • Trellis
  • Sequential
  • TPC
  • LDPC
  • BPSK
  • QPSK
  • OQPSK
  • 8PSK
  • 8-QAM
  • 16-QAM
  • Software Defined Modems
  • Extremely compact form factors
  • MIL-STD-188-165A/B
  • AES-256 TRANSEC
  • Direct sequence spread spectrum

Mid-Range Modems

Model Frequency (MHz) Data Rate / Symbol Rate FEC Modulation Other
CDM-425
  • 950 – 2250 MHz (Standard)
  • 50 – 180 MHz (option)
  • 100 Hz resolution, independent TX and RX operation
  • 18 kbps – 25 Mbps, in 1bps steps
  • 18 ksps to 12.5 Msps
  • VersaFEC®-2
  • VersaFEC®
  • BPSK
  • QPSK
  • 8-QAM
  • 8-ARY
  • 16-QAM
  • 16-ARY
  • 32-ARY
  • 5%, 10%, 15%, 20%, 25% and 35% Filter Rolloff
  • DoubleTalk Carrier-in-Carrier
  • Carrier-in-Carrier Automatic Power Control
  • ACM
  • Packet Processor with header & payload compression, QoS and Managed Switch Mode with VLAN support
  • 4-port Managed Ethernet Switch with VLAN & QoS
  • Jumbo frame support
  • Quad E1 Drop & Insert
  • IP Sub Mux
  • IEEE 1588v2 PTP
  • Carrier ID with MetaCarrier
CDM-625A
CDM-625A-EN
CDMER-625A
  • 50 – 180 (Standard)
  • 950 – 2250 (option)
  • Dual Band Capability: 70/140 MHz and extended L-Band in same unit
  • 18 kbps – 25 Mbps
  • 18 ksps – 12.5 Msps
  • VersaFEC®
  • LDPC
  • TPC
  • Viterbi
  • TCM
  • Reed-Solomon
  • Sequential
  • BPSK
  • QPSK
  • OQPSK
  • 8PSK
  • 8-QAM
  • 8-ARY
  • 16-QAM
  • 5%, 10%, 15%, 20%, 25% and 35% Filter Rolloff
  • DoubleTalk Carrier-in-Carrier
  • Carrier-in-Carrier Automatic Power Control
  • ACM
  • Packet Processor with QoS, Header & Payload Compression
  • 4-port Managed Ethernet Switch with VLAN & QoS
  • Jumbo frame support
  • Quad E1 Drop & Insert
  • IP Sub Mux
  • IEEE 1588v2 PTP
  • Carrier ID with MetaCarrier
  • AES Data Encryption (EN model)
  • Environmentally Resistant (ER) model available
DMD1050TS
  • 950 to 2050
  • 2.4 kbps – 37 Mbps
  • LDPC
  • TPC
  • 165B Turbo
  • Viterbi
  • Reed Solomon
  • Trellis
  • BPSK
  • QPSK
  • OQPSK
  • 8PSK
  • 8-QAM
  • 16-QAM
  • 16APSK
  • Modem board set
  • MIL-STD-188-165A compliant (Modem Type I, II, IV)
  • STANAG 4486 Edition 3 (EBEM)
  • Compact size
  • Conductively cooled design
  • TRANSEC Module, FIPS-140-2 Level 2 certified

Entry-Level Modems

Model Frequency (MHz) Data Rate / Symbol Rate FEC Modulation Other
CDD-564A/L
CDD-564A/LEN
CDD-562AL
CDD-562ALEN
  • CDD-564A & CDD-564AEN
    50 to 90 or
    100 to 180
  • CDD-562AL, CDD-562ALEN, CDD-564AL, & CDD-564ALEN
    950 to 2250
  • 16 kbps – 10.239 Mbps
  • VersaFEC
  • TPC
  • BPSK
  • QPSK
  • 8PSK/8-QAM
  • 16-QAM
  • Independent demodulators
  • 5%, 10%, 15%, 20%, 25% & 35% Filter Rolloff
  • Static IP routing for unicast & multicast
  • IGMP v1 and v2
  • 3xDES data encryption (EN models)
CDM-570A/L
CDM-570A/L-IP
CDM-570A/L-IPEN
  • CDM-570A & CDM-570A-IPEN
    50 to 90 or
    100 to 180
  • CDM-570AL & CDM-570AL-IPEN
    950 to 2250
  • 2.4 kbps – 10.239 Mbps
  • VersaFEC-2
  • VersaFEC
  • TPC
  • Viterbi
  • Reed-Solomon
  • TCM
  • BPSK
  • QPSK
  • OQPSK
  • 8PSK
  • 8-QAM
  • 8-ARY
  • 16-QAM
  • 16-ARY
  • 32-ARY
  • DoubleTalk® Carrier-in-Carrier®
  • Carrier-in-Carrier Automatic Power Control
  • Optimized transmit filter rolloffs: 5%, 10%, 15%, 20%, 25% & 35%
  • High-performance packet processor with QoS, Header & Payload Compression
  • IP ACM
  • 3xDES encryption for IP traffic (EN version)
  • Carrier ID with MetaCarrier
Carrier-in-Carrier® is a Registered Trademark of Comtech EF Data
DoubleTalk® is a Registered Trademark of Raytheon Applied Signal Technology
VersaFEC® is a Registered Trademark of Comtech EF Data