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Comtech CDM-625A Advanced Satellite Modem
The Comtech CDM-625A Advanced Satellite Modem builds on Comtech EF Data’s legacy of providing the most efficient and reliable satellite modems.
Description
Description
The Comtech CDM-625A Advanced Satellite Modem builds on Comtech EF Data’s legacy of providing the most efficient and reliable satellite modems. The Comtech CDM-625A Advanced Satellite Modem supports VersaFEC, Forward Error Correction (FEC), the revolutionary DoubleTalk, Carrier-in-Carrier, bandwidth compression, additional TX roll offs, and sophisticated packet processing capabilities.
The Comtech CDM-625A Advanced Satellite Modem builds on our legacy of providing the most efficient and reliable satellite modems. With support for VersaFEC® Forward Error Correction (FEC), DoubleTalk Carrier-in-Carrier bandwidth compression, additional rolloffs and advanced packet processing, the CDM-625A provides significant savings under all conditions. This combination of advanced technologies enables multi-dimensional optimisation, allowing satellite communications users to:
- Minimise operating expenses (OPEX)
- Maximise throughput without using additional transponder resources
- Maximise availability (margin) without using additional transponder resources
- Minimise capital expenses (CAPEX) by allowing a smaller BUC/HPA and/or antenna
- Or, a combination to meet specific business needs
Key Features
| DoubleTalk Carrier-in-Carrier bandwidth compression |
| Carrier-in-Carrier Automatic Power Control |
| VersaFEC-2 High Performance LDPC with Adaptive Coding and Modulation (ACM), Short Block and Long Bloc |
| VersaFEC FEC with Adaptive Coding and Modulation (ACM) |
| 5%, 10%, 15%, 20%, 25% and 35% Filter Roll off |
| Packet Processor with header compression, payload compression, advanced Quality of Service (QoS) and Managed Switch Mode with VLAN support |
| Integrated 4-port managed Ethernet switch with VLAN and QoS |
| Jumbo frame support |
| Dual Band Capability: 70/140 MHz and extended L-Band (950 – 2250 MHz) in same unit |
| Data Rate: 18 kbps to 25 Mbps |
| Symbol Rate: 18 ksps to 12.5 Msps |
| Modulation: BPSK, QPSK/OQPSK, 8PSK/8-QAM/8-ARY, 16-QAM/16-ARY, 32-ARY |
| FEC: Viterbi, Sequential, Concatenated Reed Solomon, TCM, Turbo Product Code (TPC) (IESS-315 Compliant), LDPC Code, VersaFEC (low-latency LDPC) and VersaFEC-2 (high performance LDPC) |
| L-Band TX: 10 MHz reference for BUC, FSK communications and optional BUC power supply |
| L-Band RX: 10 MHz reference and LNB power supply |
| L-Band: Advanced FSK for LPOD M&C |
| 1:1 and 1:10 redundancy switches available |
| Backwards compatible with CDM-625 |
| Environmentally Resistant version (CDMER-625A) available |
Additional information
Additional information
| Weight | 6 kg |
|---|---|
| Dimensions | 50 × 40 cm |
| SKU | CDM-625A |
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