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
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

Industry Leading Bandwidth Efficiency

High-Speed Modems

Mid-Range Modems

Entry-Level Modems

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