Kathrein EXR 2908

Kathrein EXR 2908 – The Ultimate Satellite and Terrestrial Multiswitch

The Kathrein EXR 2908 is a high‑performance, compact multiswitch designed for seamless distribution of satellite and terrestrial signals. With its robust construction and versatile connectivity options, it serves as the core component in professional satellite reception systems, broadcast studios, and advanced home theater installations.

Key Functionalities

• 9 Input / 8 Output Architecture: The switch offers nine input ports—eight dedicated to satellite feeds (950 MHz – 2150 MHz) and one for terrestrial broadcast (5 MHz – 862 MHz). Eight outputs allow independent routing of any selected input to multiple receivers or displays.
• Active Switching: Unlike passive matrix units, the EXR 2908 actively amplifies signals, ensuring minimal loss and preserving signal integrity across long cable runs.
• DiSEqC Control: Integrated DiSEqC (Digital Satellite Equipment Control) support enables remote switching via standard satellite receiver commands, allowing automated or user‑initiated selection without manual intervention.
• Integrated Power Supply: A built‑in 18 VDC supply delivers up to 800 mA, simplifying installation by eliminating the need for an external power adapter.
• Compact Metal Housing: The stainless‑steel chassis provides electromagnetic shielding and mechanical durability while maintaining a lightweight profile (approximately 900 g).

Signal Coverage

The EXR 2908 is engineered to handle the full spectrum of satellite frequencies used in modern broadcasting:

• Satellite Band: 950 MHz – 2150 MHz – covering Ku‑band and extended L‑band signals.
• Terrestrial Band: 5 MHz – 862 MHz – encompassing VHF and UHF television channels.

This dual‑band capability makes the switch ideal for hybrid setups where satellite and terrestrial feeds must coexist, such as in multi‑channel cable headends or integrated broadcast studios.

Connectivity Options

• BNC Connectors: All input and output ports feature high‑quality BNC connectors, ensuring secure connections and compatibility with standard coaxial cabling.
• F‑type Terminals (Optional): For installations requiring F‑type connections—common in satellite dishes—the EXR 2908 can be fitted with optional adapters or integrated F‑terminals.
• Cascading Capability: The unit supports cascading, allowing multiple switches to be linked for larger distribution networks. This feature is essential for expanding coverage without compromising signal quality.

Installation and Integration

The EXR 2908’s design prioritizes ease of deployment:

• Modular Mounting: The switch can be mounted on standard rack units or wall brackets, providing flexibility in cramped spaces.
• Minimal Cabling: With nine inputs and eight outputs, the total cable count is reduced compared to traditional matrix solutions, simplifying cable management.
• Remote Management: Through DiSEqC commands or a dedicated control interface, operators can switch feeds from a central console, reducing on‑site labor.

Performance Highlights

• Low Signal Loss: Active amplification ensures that the output signal retains at least 95 % of its original strength, even after multiple switching stages.
• High Isolation: The switch provides excellent isolation between channels, preventing cross‑talk and maintaining clear reception.
• Reliability Under Load: Designed to operate continuously in demanding environments, the EXR 2908 withstands temperature variations and electrical noise typical of broadcast facilities.

Typical Use Cases

• Broadcast Studios: Distribute multiple satellite feeds to editing suites, live production rooms, and archival systems.
• Cable Headends: Route satellite channels to distribution amplifiers or directly to subscriber modems.
• High‑End Home Theater: Provide a single point of control for multiple satellite receivers, enabling effortless channel switching.
• Military and Emergency Communications: Reliable signal routing in critical communication networks where uptime is paramount.

Conclusion

The Kathrein EXR 2908 stands out as a versatile, high‑quality multiswitch that bridges satellite and terrestrial broadcasting with ease. Its active switching technology, DiSEqC integration, and compact metal construction make it an indispensable component for any professional or enthusiast seeking reliable signal distribution across diverse frequency bands.