Televes K21-8 Compact Headend, 8 DVB-S2 Transponders to QAM

The Televes K21-8 compact headend processes up to eight DVB-S/S2 satellite transponders and converts them into eight DVB-C QAM channels, enabling efficient distribution of satellite TV over coaxial networks. With four independent satellite inputs, it supports multi-satellite reception and flexible channel selection, making it ideal for centralized TV distribution in various settings.

Advantages

This headend delivers exceptional signal quality with a high MER (>40 dB) and adjustable QAM output levels up to 90 dBµV. It supports selectable modulation modes from 16 to 256-QAM, ensuring compatibility with different cable network requirements. Advanced features such as PID filtering and NIT generation guarantee clean and organized output streams. The web-based management interface simplifies configuration and monitoring, while low power consumption (<20 W) reduces operating costs.

Suitable for

• Hotels and hospitality venues requiring centralized TV distribution
• Hospitals and care facilities with multiple TV points
• Small to medium cable networks and MDUs (multi-dwelling units)
• SMATV systems upgrading to digital QAM distribution

Key specifications

• Input: 4x DVB-S/S2 (950-2150 MHz), supports 8 transponders
• Output: 8x DVB-C QAM (47-862 MHz), 16/32/64/128/256-QAM
• Output level: 90 dBµV adjustable, MER > 40 dB
• LNB power: 13V/18V/22kHz selectable per input
• Management: Ethernet (Web GUI), PID filtering, NIT generation
• Power consumption: <20 W, operating temperature 0°C to +45°C

Recommendations

Ensure proper ventilation and use quality coaxial cables for optimal performance. Configure LNB power settings according to your satellite dish setup.