Description

Radyne Comstream DMD20 LBEXT 20 MBTA Satellite Modem

We have a couple of like-new used Raydne Comstream DMD-20 LBEXT satellite modems available for sale. They’ve been fully tested and are loaded with all available options.

Here are the key specs for the units:
📡 Model: DMD-20 LBEXT-20MTA
⚙️ Throughput: 20 Mbps
📶 Interfaces: L-Band & 70 MHz
🔧 Features: ENH Async, IDR, SEQ, RS, IBS, D&I, AUPC
📈 Modulation: 8PSK, Turbo 20 Mbps
🔐 Scrambling: OM73
💾 Firmware: REV F05058-AP 5.2

Used Raydne Comstream DMD-20 LBEXT-20MTA, 20Mbps, L-Band, 70 MHz, ENH Async, IDR, SEQ, RS, IBS, D&I, AUPC, 8PSK, Turbo 20 Mbps, OM73 Scrambling, Firmware REV F05058-AP 5.2

The Radyne Comstream DMD20 LBEXT 20 MBTA is a high-performance, compact satellite modem designed for reliable and efficient data transmission over L-Band satellite networks. Ideal for both commercial and government applications, the DMD20 supports data rates up to 20 Mbps and features a flexible architecture that supports a wide range of modulation and forward error correction (FEC) options.

Key Features:

• Data Rate: Up to 20 Mbps

• Interface: L-Band Extended (LBEXT)

• Modulation: QPSK, 8PSK, 16QAM (configurable depending on firmware)

• FEC: Viterbi, Reed-Solomon, or optional Turbo/LDPC

• Compact 1RU Design: Rackmountable and space-efficient

• M&C Interface: Front panel, RS-232/RS-485, and Ethernet (SNMP)

• Applications: Point-to-point, SCPC, IP data, video, and voice

Common Use Cases:

• Satellite internet and IP data networks

• Government and defense communications

• VSAT and SCPC link operations

• Emergency and mobile communications

The DMD20 series is known for its durability, interoperability, and proven performance in the field, offering cost-effective solutions for both fixed and mobile satellite communications.