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Comtech EF Data Advanced VSAT Series CDM-800 Gateway Router

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  • Mobile Backhaul with RAN Optimization
  • Corporate networks
  • Internet access (ISP)
  • Maritime & offshore communications


SKU: SATRES-32730

CDM-800 Specifications
Transmit Data Rate (Pilots Off)
QPSK 1.000 – 110.893 Mbps
8-PSK 1.779 – 166.110 Mbps
16-APSK 2.637 – 167.665 Mbps
32-APSK 3.703 – 168.000 Mbps
Transmit Symbol Rate
QPSK 1 to 62 Msps
8-PSK 1 to 62 Msps
16-APSK 1 to 47 Msps
32-APSK 1 to 37 Msps
FEC DVB-S2 Decoder (ACM, CCM and VCM modes) Normal frame
Modulation & FECData Rate Range

(Normal FEC frame, pilots off)
QPSK 1/4 1.000 – 30.395 Mbps
QPSK 1/3 1.000 – 40.699 Mbps
QPSK 2/5 1.000 – 48.943 Mbps
QPSK 1/2 1.000 – 61.309 Mbps
QPSK 3/5 1.188 – 73.674 Mbps
QPSK 2/3 1.322 – 81.979 Mbps
QPSK 3/4 1.487 – 92.223 Mbps
QPSK 4/5 1.587 – 98.406 Mbps
QPSK 5/6 1.654 – 102.589 Mbps
QPSK 8/9 1.766 – 109.519 Mbps
QPSK 9/10 1.788 – 110.893 Mbps
8-PSK 3/5 1.779 – 110.359 Mbps
8-PSK 2/3 1.980 – 122.799 Mbps
8-PSK 3/4 2.228 – 138.143 Mbps
8-PSK 5/6 2.478 – 153.670 Mbps
8-PSK 8/9 2.646 – 164.052 Mbps
8-PSK 9/10 2.679 – 166.110 Mbps
16-APSK 2/3 2.637 – 123.948 Mbps
16-APSK 3/4 2.966 – 139.436 Mbps
16-APSK 4/5 3.165 – 148.784 Mbps
16-APSK 5/6 3.300 – 155.108 Mbps
16-APSK 8/9 3.523 – 165.587 Mbps
16-APSK 9/10 3.567 – 167.665 Mbps
32-APSK 3/4 3.703 – 168.000 Mbps
32-APSK 4/5 3.951 – 168.000 Mbps
32-APSK 5/6 4.119 – 168.000 Mbps
32-APSK 8/9 4.397 – 168.000 Mbps
32-APSK 9/10 4.453 – 168.000 Mbps
Encapsulation Low Overhead Enhanced GSE
Modulator Specifications
Operating Frequency 50 to 180 MHz

950 to 2150 MHz (L-Band)

100 Hz frequency resolution
Frequency Stability ± 0.06 ppm (± 6 x 10-8), 0° to 50°C (32° to 122° F)
Scrambling PL Scrambling (Gold Codes), disabled
Spectral Inversion Normal or inverted
Transmit Filtering Per ETSI EN 302-207
Transmit Filter Rolloff (Alpha) 20%, 25% and 35%
Pilot Insertion User Selectable – on/off
Output Power -5 to -25 dBm, in 0.1 dB steps (50 – 180 MHz)

-5 to -40 dBm, in 0.1 dB steps (950 – 2150 MHz)
Output Power Accuracy ± 1.0 dB over frequency, data rate, modulation type and temperature range of 0 to 50° C
Transmit On/Off Ratio -60 dBc minimum
Harmonics and Spurious Better than -60 dBc/4 kHz

(typically < 65 dBc/4 kHz)

Measured from 1 to 500 MHz (50 - 180 MHz)

Measured from Fo +/- 500 MHz (950 - 2150 MHz)
Output Phase Noise

    @100 Hz

    @1 kHz

    @10 kHz

    @100 kHz


-66.0 dB/Hz

-76.0 dB/Hz

-86.0 dB/Hz

-96.0 dB/Hz
(< 1º rms double sided, 100 Hz to 1 MHz (minimum of 6 dB better overall than the Intelsat IESS-308/309 requirement)
Fundamental AC line spurious is -42 dBC or lower The sum of all other single sideband spurious, from 0 to 0.75 x symbol rate, is 48 dBC or lower
Impedance 50 Ω /75 Ω (50 – 180 MHz)

50 Ω (950 – 2150 MHz)
Return Loss 15 dB, minimum (50 – 180 MHz)

12 dB, minimum (15 dB typical) (950 – 2150 MHz)
External TX Carrier Off By TTL ‘low’ signal
Test Modes CW, 1/0 pattern, 2^23-1 and 2047 patterns
Packet Processor Supported Protocols
RFC 768 – UDP RFC 1812 – IPv4 Routers
RFC 791 – IP RFC 2045 – MIME
RFC 792 – ICMP RFC 2474 – Diffserv
RFC 793 – TCP RFC 2475 – Diffserv
RFC 826 – ARP RFC 2578 – SMI
RFC 856 – Telnet RFC 2597 – AF PHB
RFC 862 – Ping RFC 2598 – Expedite Forwarding
RFC 894 – IP RFC 2616 – HTTP
RFC 959 – FTP RFC 3412 – SNMP
RFC 1112 – IP Multicast RFC 3416 – SNMPv2
RFC 1213 – SNMP MIB II RFC 3418 – SNMP MIB
Statistics Detailed packet and throughput stats
Connectors
70/140 MHz Transmit BNC (female)
L-Band Transmit N-type (female)
External Reference BNC (female)
10/100Base-T Ethernet interface (IEEE 802.3u) 1 x RJ-45
10/100/1000Base-T Ethernet interface (IEEE 802.3ab) 2 x RJ-45
Remote Control / Console Port 9-pin D-sub (male)
Available Options
-48 VDC, Primary Power Supply Hardware
Payload Compression Hardware/FAST
Transmit Data Rate FAST
Header Compression FAST
Quality of Service FAST
G.703 Clock Extension FAST
Physical, Power & Environmental
Dimensions (1RU) (H x W x D) 1.75” x 19.0” x 17.7”

(4.4 x 48 x 44.8 cm) approximate
Power Supply 100-240 VAC, 47 Hz-63 Hz IEC 320 input

-48 VDC (HW option)
Operating Temperature 0° to 50°C
Storage temperature –20° to 70°C
Humidity 95% maximum, non-condensing
Accessories
CRS-170A 1:1 Modem Redundancy Switch (L-Band)
CRS-180 1:1 Modem Redundancy Switch (70/140 MHz)
Regulatory
CE Mark EN55022 Class B (Emissions)

EN50082-1 Part 1 (Immunity)

EN60950 (Safety)
FCC Approval FCC Part 15 Class B

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