DVB-T2 modulator 1ch

DVB-T2 Modulator 1ch is a professional DVB-T2 RF modulator designed for terrestrial broadcasting, MVDS systems, test labs and digital TV headends. It supports QPSK, 16QAM, 64QAM and 256QAM constellations with high MER performance, ensuring clean COFDM waveform generation and reliable DVB-T2 reception. With an ASI input and a wide 10–1100 MHz RF output range, this DVB-T2 modulator can be used across VHF/UHF bands and in hybrid CATV or lab environments.

The device supports 1k, 2k, 4k, 8k, 8k ext., 16k, 16k ext. COFDM modes, making it ideal for full-featured DVB-T2 network deployment and testing. Optional 24 V / 3 A BUC power injection and 10 MHz reference allow tight integration with RF front-ends and synchronized broadcast systems. Its RS-232 control and optional front-panel LCD provide flexible management options for engineers and operators.

✅ Advanced DVB-T2 COFDM signal generation

The DVB-T2 Modulator 1ch supports a full range of DVB-T2 COFDM parameters, including multiple FFT sizes, guard intervals and pilot patterns. This allows operators to accurately model and deploy real-world DVB-T2 terrestrial broadcast configurations in both single- and multi-frequency networks. Fine control of modulation parameters ensures optimized robustness or capacity depending on the target environment.

✅ High MER performance for reliable terrestrial broadcasting

With MER >42 dB @ 500 MHz, this DVB-T2 modulator delivers exceptionally clean RF output suitable for demanding broadcast channels. High MER ensures stable constellation points and minimizes bit errors in receivers, even in challenging RF scenarios. This makes it ideal for dense SFN networks, high-order constellations and long-distance terrestrial coverage.

✅ Flexible frequency and bandwidth planning from 10 to 1100 MHz

The modulator offers a very wide RF output frequency range from 10 MHz to 1100 MHz in fine 1 kHz steps, making it suitable for a wide variety of DVB-T2 and test applications. Combined with selectable bandwidths of 1.7, 5, 6, 7 and 8 MHz, it enables full control over the DVB-T2 channel shape and occupation. This flexibility is especially useful in hybrid cable/over-the-air environments and lab setups.

✅ Built-in PSI generation and “carrier only” test mode

Integrated PSI table generation allows proper service identification and compatibility with DVB-T2 receivers without requiring external PSI/SI equipment. The “carrier only” mode enables generation of an unmodulated RF carrier for spectrum analyzer alignment, RF path verification and amplifier testing. Together, these features make the modulator a powerful tool for both live broadcasting and engineering diagnostics.

🛠️ The DVB-T2 Modulator 1ch is managed via RS-232 interface and optionally via front-panel LCD, allowing engineers to configure modulation type, bandwidth, carrier mode, guard interval and RF output level with precision. It is designed to integrate smoothly into DVB-T2 headends with ASI multiplexers and RF combiners, while the optional 10 MHz reference input keeps the entire system frequency-locked to a master clock.

🛒 This 1-channel DVB-T2 RF modulator is ideal for terrestrial TV operators, MVDS system integrators, broadcasters, hotels, campuses and engineering labs that require a stable and configurable DVB-T2 modulation platform. Its high MER, flexible RF range and support for QPSK–256QAM make it suitable for both production broadcasting and test bench environments, offering strong value for professional DVB-T2 deployments.

📌 Key features

• Full DVB-T2 modulation support with QPSK, 16QAM, 64QAM and 256QAM

The DVB-T2 Modulator 1ch supports all major DVB-T2 constellation schemes, from robust QPSK up to high-capacity 256QAM. This provides great flexibility when balancing coverage robustness and payload capacity in terrestrial networks. Operators can adjust QAM modes to match infrastructure, terrain and service quality targets.

• 1k–16k COFDM carrier modes with extended FFT options

With support for 1k, 2k, 4k, 8k, 8k ext., 16k, 16k ext. modes, the modulator can accurately reproduce almost any DVB-T2 network configuration. Extended FFT sizes help optimize performance for different propagation scenarios and SFN deployments. This enables detailed testing and fine-tuning of terrestrial coverage.

• MER >42 dB @ 500 MHz for broadcast-grade signal quality

The high MER enables very clean RF output and low constellation distortion, crucial for correct reception in DVB-T2 receivers. This performance helps minimize packet losses, ensures stable HD services and supports operation with high-order constellations like 256QAM. It also provides enough margin for complex RF chains with amplifiers and combiners.

• Wide RF output frequency range from 10 MHz to 1100 MHz

The broad RF range makes this DVB-T2 modulator suitable for various VHF/UHF allocations and test scenarios. Output frequencies can be set in 1 kHz steps, enabling exact placement of carriers relative to other broadcast or measurement signals. It is ideal for both real networks and lab conditions.

• Built-in PSI tables generator and “carrier only” RF test mode

The integrated PSI generator ensures DVB-T2 receivers can identify services and multiplex structures correctly, without external PSI/SI devices. The “carrier only” mode generates an unmodulated RF tone to evaluate RF components such as filters, amplifiers and feeds. This combination provides both operational and diagnostic flexibility.

• Optional 24 V / 3 A BUC power injection and 10 MHz reference

The modulator can inject 24 V / 3 A DC power for BUCs or external RF devices, reducing the need for separate power injectors. The optional 10 MHz reference input with 10⁻⁶–10⁻⁸ stability allows precise frequency locking to a master reference source. This is essential in professional headend and uplink configurations.

⚙️ Main functions

• ASI input processing with 188/204-byte MPEG-TS support

The DVB-T2 modulator accepts an ASI transport stream via BNC connector, supporting 188/204-byte MPEG-TS formats. This ensures compatibility with professional multiplexers, encoders and DVB headend devices. Stable ASI handling is key for uninterrupted DVB-T2 broadcasting.

• RS-232 management with optional keyboard and LCD

Configuration via RS-232 allows operators to access all modulation parameters using a clear command protocol. With the optional front-panel LCD and control buttons, local configuration and monitoring are simple and intuitive. This flexibility is helpful both in permanent installations and R&D environments.

• Configurable guard intervals, pilot patterns and FEC

The device allows selecting guard intervals from 1/4 to 1/128, multiple pilot patterns (PP2/PP3/PP8) and FEC rates from 1/2 to 5/6. This fine control lets engineers tune performance for SFN, SFN-lite or MFN deployment models. It makes the DVB-T2 modulator adaptable for a wide range of network topologies.

• Stable RF power output from –27 to 0 dBm

The RF output power range allows feeding test setups, lab instruments or passive RF networks without additional attenuators in many cases. Operators can match the signal strength to downstream equipment requirements. This ensures flexibility when integrating into different RF paths.

🧩 Applications

• Terrestrial DVB-T2 broadcasting networks and test transmitters

The DVB-T2 Modulator 1ch is ideal for building pilot or full-scale DVB-T2 transmitters in professional broadcast installations. Its high MER and flexible FFT modes ensure reproducible, robust terrestrial signals. Broadcasters can use it for both permanent and trial DVB-T2 deployments.

• MVDS / RF distribution and local DVB-T2 coverage systems

In microwave video distribution or local RF coverage systems, the modulator provides clean DVB-T2 carriers feeding transmitters or repeaters. Its wide RF range and configurable COFDM modes help adapt to different link budgets and coverage areas. This makes it a versatile building block for regional networks.

• Headend integration for DVB-T2 re-modulation and monitoring

It can be used in digital headends to re-modulate ASI inputs into DVB-T2 carriers for local distribution or monitoring. Engineers can generate controlled DVB-T2 signals for supervision, testing or back-up paths. This reduces the need for separate dedicated test transmitters.

• Broadcast, R&D and certification laboratories

The modulator is highly suitable for lab environments where precise DVB-T2 waveforms are required for receiver testing and standard conformance checks. Engineers can adjust QAM level, FFT size and guard intervals to emulate real-world conditions. This supports development and verification of DVB-T2 devices and systems.

• Hospitality, campus and enterprise DVB-T2 distribution

For hotels, universities, stadiums or enterprises that deploy DVB-T2-based internal RF networks, the modulator offers a compact and reliable solution. It allows generating high-quality DVB-T2 multiplexes fed from ASI encoders or IP–ASI gateways. This ensures consistent TV signal delivery to many end points.

💡 Why you should buy from us❓

• 1.5 years warranty
• 7 years after-sales support
• Remote support team of engineers
• Discount program for regular customers 🎁

💬 Contact Us

For additional details or assistance regarding the DVB-T2 Modulator 1ch, feel free to contact our team. We provide professional consultation and aftersales support to help with installation and setup, ensuring you get the most out of your broadcasting equipment.