BUC-C04 is a professional-grade 4 W C-band Block Upconverter designed for MVDS networks, DSNG uplinks, DVB-S/S2 broadcasting systems, DVB-T, DVB-C, VSAT terminals, repeater stations and professional satellite uplink infrastructures. With its PLL-stabilized 4670 MHz local oscillator, 10 MHz reference and solid-state design, the BUC-C04 C-band BUC transmitter provides high stability, low phase noise and strong linearity required for professional broadcasting and satellite communication systems.
Operating within the 470-670 MHz input frequency range and providing an RF output of 4.0-4.2 GHz, with any 200 MHz within C-band available by order, the BUC-C04 upconverter offers flexibility for custom integration into MVDS, DVB-T, DVB-C and DVB-S2 networks. Delivering 4 W output power at P1dB and ≥60 dB gain, the C-band BUC-C04 ensures consistent and clean amplification even under multi-carrier operation with support for up to 25 carriers.
Its integrated matched coaxial-to-waveguide transition (CWT), WR229 PDR40 flange and N-type IF input make the BUC-C04 a fully integrated C-band BUC transmitter module for professional satellite uplink, broadcasting and repeater infrastructures.
✅ Engineered for outdoor deployment
The BUC-C04 C-band Block Upconverter is engineered with rugged construction and operates in temperatures from -40 °C to +50 °C. Its compact IP-protected enclosure supports reliable operation in harsh climates and tropical conditions where C-band uplinks are essential.
✅ Supports up to 25 carriers
As a multi-carrier C-band BUC, the BUC-C04 supports demanding broadcast chains with up to 25 carriers while maintaining excellent linearity with IMD3 ≤ -45 dBc. This makes it suitable for DVB-S/S2 systems, DSNG networks, VSAT deployments and professional broadcast uplinks.
✅ 4 W solid-state design with superior linearity
Delivering 4 W P1dB output power, the BUC-C04 C-band SSPA provides RF power for compact uplink systems, mobile broadcast units and repeater stations. Its solid-state GaAs/GaN design supports low power consumption of ≤17 W, high efficiency and long-term durability.
🛠️ Whether you are building a C-band BUC integration for MVDS, sourcing a compact 4 W SSPB for DVB-S2 uplinks, or requiring a professional C-band BUC transmitter with WR229 flange and PLL LO, the BUC-C04 is engineered for performance, efficiency and reliability.
🛒 The BUC-C04 C-band Block Upconverter is available to order now, offering operators a compact, solid-state and stable C-band transmitter for broadcasting and satellite uplinks.
📌 Key features
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4 W solid-state C-band BUC-C04 transmitter
The BUC-C04 delivers 4 W RF output at P1dB, making it a compact C-band SSPB solution for DVB-S/S2 broadcasting, MVDS and DSNG systems.
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PLL-stabilized 4670 MHz LO with ±2 ppm accuracy
The BUC-C04 C-band Block Upconverter uses a PLL-locked local oscillator to ensure strong stability and low drift, which is essential for DVB broadcasting and C-band uplink systems.
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≥60 dB gain with 25 dB ALC range
The C-band BUC-C04 transmitter adapts to different input signal levels while maintaining clean and linear amplification. The 25 dB ALC range supports stable output under variable operating conditions.
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Built-in 10 MHz reference oscillator
This C-band BUC with 10 MHz reference ensures precise synchronization in repeater stations and teleport systems without the need for external reference sources.
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WR229 waveguide output with matched CWT
The BUC-C04 C-band BUC with WR229 flange integrates smoothly into C-band antennas and RF chains. The matched coaxial-to-waveguide transition supports low-loss performance.
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High spectral purity and low IMD3
The C-band BUC-C04 upconverter achieves IMD3 ≤ -45 dBc and spurious suppression ≤ -50 dBc, supporting clean transmission for DVB broadcasting and professional satellite uplinks.
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Energy-efficient outdoor-ready unit
With power consumption of ≤17 W and a weight of 1.8 kg, the BUC-C04 compact C-band BUC is suitable for mobile, outdoor and space-limited uplink systems.
⚙️ Main functions
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Frequency upconversion from UHF/L-band to C-band
The BUC-C04 C-band BUC transmitter upconverts 470-670 MHz input signals into 4.0-4.2 GHz output, supporting DVB-S/S2, DVB-T and DVB-C applications.
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Automatic level control with 25 dB range
The C-band BUC-C04 SSPB maintains output stability with its wide ALC range. This helps ensure clean signals under variable input conditions.
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Solid-state RF amplification with 4 W output
The BUC-C04 C-band amplifier delivers robust RF power for small-to-mid scale satellite uplinks, MVDS systems, DSNG terminals and repeater infrastructures.
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Spectral filtering for clean DVB transmission
With in-band spurious suppression ≤ -50 dBc and out-of-band suppression ≤ -60 dBc, the BUC-C04 C-band BUC supports compliant spectral performance for professional DVB transmission.
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Phase-locked local oscillator with 10 MHz reference
The PLL-stabilized local oscillator ensures that the BUC-C04 Block Upconverter maintains the frequency stability required for DVB-S/S2 and professional C-band broadcasting systems.
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LED status indication and compact form factor
The BUC-C04 provides clear LED diagnostics and lightweight housing for easy installation, maintenance and integration into compact RF systems.
🧩 Applications
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MVDS broadcasting networks
The BUC-C04 C-band BUC transmitter is suitable for terrestrial MVDS TV broadcasting systems requiring stable C-band output and compact solid-state operation.
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DVB-S/S2 and DSNG uplinks
The 4 W C-band BUC-C04 upconverter provides compact solid-state RF power for DSNG vehicles and DVB-S/S2 uplink systems.
As a professional C-band uplink BUC, the BUC-C04 supports reliable signal distribution in repeater stations and broadcast transmission infrastructures.
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VSAT terminals and compact uplinks
The BUC-C04 supports smaller VSAT installations where efficiency, low power consumption and compact dimensions are important.
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OEM and system integrators
The BUC-C04 C-band Block Upconverter is suitable for integrators building compact RF systems, C-band transmission chains and customized broadcasting solutions.
Lightweight and robust, the C-band BUC-C04 transmitter integrates into OB vans, portable uplinks and mobile broadcast platforms.
💡 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 BUC-C04 C-band BUC transmitter, feel free to contact our team. We provide consultation and aftersales support to ensure correct installation and system integration. The BUC-C04 is available with customized parameters by order.
