BUC-Ka-1-26.55

BUC-Ka-1-26.55 is a professional-grade DVB-S/S2 Ka-band BUC designed for satellite uplinks, MVDS networks and mobile broadcast environments. As a compact Ka-band Block Upconverter, it features a fixed 26.55 GHz PLL local oscillator, ensuring high frequency stability and low phase noise. This unit delivers consistent RF performance for demanding modulation formats, including 256QAM and 32APSK.

This Ka-band BUC transmitter provides a minimum output power of 1 W at P1dB, with ≥47 dB gain and built-in ALC for automatic power leveling and control. The internal 10 MHz reference simplifies synchronization in precision systems, making the BUC-Ka-1-26.55 a strong candidate for integrators needing a high-stability Ka-band BUC with PLL LO.

✅ Engineered for outdoor deployment

The BUC-Ka-1-26.55 features a rugged IP65 weatherproof enclosure, ensuring full functionality in harsh environmental conditions. The device comes equipped with WR28 waveguide / PG599U flange RF output and 50-ohm N-type Female IF input, making it a fully integrated Ka-band outdoor BUC solution.

✅ With support for up to 25 carriers

This multicarrier Ka-band BUC meets the needs of broadcasters, system integrators and mobile platforms. Its low phase noise and in-band spurious rejection of ≤−55 dBc ensure clean and reliable transmission.

✅ Great fit for VSAT, DSNG and MVDS projects

Designed as a solid-state Ka-band BUC, the BUC-Ka-1-26.55 offers outstanding reliability with low power consumption (≤20 W) and a lightweight profile (~0.86 kg), perfect for space-limited installations.

🛠️ Whether you’re building a Ka-band BUC integration for remote broadcast units or sourcing a Ka-band BUC with 10 MHz reference and LED indication, this model is optimized for precision, efficiency and performance.

🛒 The BUC-Ka-1-26.55 is now available for purchase and ready to deploy into any Ka-band BUC system that requires compactness, stability and outdoor readiness.

📌 Key features

• Compact Ka-band BUC-Ka-1-26.55 with solid-state design

The BUC-Ka-1-26.55 is a solid-state Ka-band BUC built for compact system integration where space, weight and energy efficiency are critical. Its compact form factor and reliability make it ideal for mobile broadcast units, MVDS systems and outdoor satellite links.

• Fixed 26.55 GHz PLL LO with ±2 ppm stability

This Ka-band BUC with PLL LO ensures consistent frequency conversion through precise LO control. The 26.55 GHz local oscillator is phase-locked for high stability, which is essential in DVB-S/S2 Ka-band BUC applications requiring minimal frequency drift and low phase noise.

• 1 W at P1dB with ALC (25 dB dynamic range)

Delivering 1 W at P1dB with a dynamic ALC range of ≥25 dB, this Ka-band BUC transmitter is ideal for systems with variable input levels. It maintains output consistency and protects against signal overload, making it suitable for multicarrier Ka-band BUC installations.

• Integrated 10 MHz reference

Featuring a built-in 10 MHz reference oscillator, this Ka-band Block Upconverter ensures tight frequency synchronization. It’s well-suited for VSAT, DSNG and teleport systems requiring precision timing without the need for external reference input.

• WR28 PG599/U flange and N-type IF input

Designed with industry-standard interfaces, including a WR28 PG599/U flange for RF output and an N-type connector for IF input, this Ka-band BUC simplifies mechanical and RF integration into existing satellite uplink systems and repeater stations.

• In-band spurs ≤−55 dBc and LO leakage ≤−40 dBm

With superior spectral purity, this Ka-band BUC maintains clean output across the band. Low spurious emissions and LO leakage minimize interference, making it a reliable choice for high-linearity Ka-band BUC systems in broadcast and telecom environments.

• Phase noise −85 dBc/Hz @10 kHz

The BUC-Ka-1-26.55 offers excellent phase noise performance at −85 dBc/Hz, ensuring stable and distortion-free carrier transmission. This is critical for Ka-band satellite BUC systems using complex modulation schemes such as 32APSK and 256QAM.

• Power 18-30 VDC; consumption ≤20 W

Operating efficiently within a wide voltage range, this MVDS block upconverter is well-suited for low-power environments. With ≤20 W consumption, it enables energy-saving integration into mobile and remote Ka-band transmission setups.

• IP65 weatherproof housing for outdoor use

Engineered for outdoor reliability, the BUC-Ka-1-26.55 features an IP65-rated enclosure, protecting it from dust, moisture and harsh weather. This makes it a robust Ka-band outdoor BUC for fixed and mobile deployments in demanding environments.

• Weight ~0.86 kg

Weighing only ~0.86 kg, this compact Ka-band BUC is ideal for space-constrained installations such as rooftop antennas, mobile broadcasting vans and tactical communication systems requiring lightweight uplink equipment.

⚙️ Main functions

• IF to Ka-band frequency upconversion

The BUC-Ka-1-26.55 performs precise upconversion from L-band (IF) to Ka-band RF output, using its 26.55 GHz PLL LO. This function is the foundation of any Ka-band Block Upconverter and ensures compatibility with DVB-S/S2 modulators and satellite transceivers.

• ALC-based automatic output power control

Integrated ALC circuitry provides real-time output power regulation, which protects transmission chain components and ensures consistent performance across varying IF input levels. This makes the BUC reliable in multicarrier Ka-band BUC applications.

• Stable operation using PLL LO and internal 10 MHz reference

With its phase-locked loop and integrated 10 MHz reference, the BUC maintains excellent frequency stability-critical for long-term operation in Ka-band satellite BUC environments where drift or instability would affect signal lock.

• Filtering and amplification for high-linearity Ka-band BUC performance

Internal RF filtering and precision amplification deliver a high-linearity output with low distortion and spurious noise. This supports demanding applications such as DVB-S/S2 uplinks, MVDS links and satellite rebroadcasts.

• Seamless fit for DVB-S/S2 Ka-band BUC applications

Designed for easy integration into DVB-S/S2 broadcast chains, the BUC-Ka-1-26.55 fits seamlessly into any Ka-band BUC for TV repeater station or headend system, maintaining signal quality and compliance with transmission standards.

• Designed for Ka-band satellite BUC transmission environments

Whether used in a fixed teleport or a mobile uplink terminal, this Ka-band satellite BUC ensures reliable and efficient signal transmission. Its robust design and signal fidelity make it a core element of professional broadcasting systems.

🧩 Applications

• VSAT BUC and DSNG uplinks

The BUC-Ka-1-26.55 serves as a reliable Ka-band VSAT BUC for small terminals and mobile DSNG vehicles. Its compact size, low energy draw and solid-state design support consistent Ka-band uplink connectivity.

• MVDS block upconverter deployments

Ideal for MVDS broadcasting systems, this unit functions as a compact MVDS block upconverter with high linearity and minimal spurious output-perfect for multichannel terrestrial video distribution in Ka-band.

• Ka-band BUC for TV repeater and TV repeater station systems

This model acts as a highly stable Ka-band BUC for TV repeater station setups, where robust LO control and precise ALC performance ensure reliable signal regeneration and onward transmission.

• Broadcast contribution from mobile broadcast units

Due to its lightweight and IP65 design, the BUC-Ka-1-26.55 integrates easily into mobile broadcast units for on-site contribution feeds or temporary uplink deployment in live production environments.

• OEM designs requiring compact Ka-band BUC integration

Perfect for OEM system builders, this compact Ka-band BUC is engineered to fit inside integrated cabinets, housings, or modular broadcast solutions requiring custom signal chain development.

• Use in harsh climates as an outdoor Ka-band BUC

Designed for real-world conditions, this outdoor Ka-band BUC withstands rain, dust and extreme temperatures-ideal for remote stations, mountain-top repeaters and maritime or desert uplinks.

• Teleport and broadcast projects looking for a Ka-band BUC with PG599/U flange

Its standardized WR28 PG599/U flange enables straightforward RF waveguide integration into large-scale teleport and fixed station architectures where precise hardware compatibility is key.

• LED status indication or optional IP control

For technical teams seeking smart diagnostics, the BUC-Ka-1-26.55 offers optional LED indicators and IP management, making it a flexible Ka-band BUC for system integrators and operators needing real-time monitoring and control.

💡 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-Ka-1-26.55, 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. BUC-Ka-1-26.55 is available to customize its parameters by order.