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Satellite communication networks continue to evolve as organizations demand greater bandwidth, higher reliability, and more efficient RF performance. Whether supporting enterprise VSAT deployments, government communications, teleports, broadcasters, cellular backhaul, maritime connectivity, or defense applications, one component remains critical to every uplink system—the Block Up Converter (BUC).
A BUC converts the Intermediate Frequency (IF) signal generated by a satellite modem into the higher Radio Frequency (RF) required for satellite transmission while amplifying the signal to the necessary power level. Choosing a high-performance BUC directly impacts carrier quality, spectral efficiency, link availability, and long-term operational costs.
The TerraSat IBUC 2 C-Band Series has been engineered to deliver exceptional RF performance, intelligent monitoring capabilities, and rugged reliability for demanding satellite communication environments. Available in output power configurations from 10W to 80W, the IBUC 2 series combines integrated monitoring and control, Automatic Gain Control (AGC), optional Cyber Hardened security, high gain, excellent phase noise performance, and support for multiple C-band frequency plans.
According to the product datasheet, the TerraSat IBUC 2 offers output powers ranging from +40 dBm to +49 dBm, up to 80 dB gain, 30 dB adjustable attenuation, Ethernet-based management, optional cyber-secure firmware, and operation in temperatures as low as -40°C, making it suitable for professional outdoor satellite installations worldwide.
Available through VSATplus, the TerraSat IBUC 2 C-Band Series provides satellite operators with a reliable, intelligent, and scalable uplink solution backed by expert technical support and worldwide delivery.
The TerraSat IBUC 2 is an Integrated Block Up Converter (IBUC) that combines frequency conversion, power amplification, monitoring, and intelligent control into a compact outdoor unit.
Unlike conventional BUCs, the IBUC 2 integrates sophisticated monitoring electronics, Ethernet connectivity, and remote management features, allowing operators to monitor performance and configure the device remotely.
This intelligent architecture reduces installation complexity while improving operational visibility and network reliability.
The TerraSat IBUC 2 C-Band Series is available in multiple power levels to accommodate a wide range of satellite communication requirements.
| Model | Minimum Output Power (P1dB) |
|---|---|
| 10W | +40 dBm |
| 15W | +41.8 dBm |
| 20W | +43 dBm |
| 25W | +44 dBm |
| 30W | +44.8 dBm |
| 40W | +46 dBm |
| 50W | +47 dBm |
| 60W | +47.8 dBm |
| 80W | +49 dBm |
This wide range allows network designers to optimize link budgets for applications ranging from compact VSAT terminals to high-power teleport installations.
The TerraSat IBUC 2 includes numerous advanced features designed for professional satellite communication systems.
One of the strengths of the IBUC 2 family is its support for several C-band frequency plans.
| Frequency Plan | RF Frequency | IF Frequency |
|---|---|---|
| Standard C-Band | 5850–6425 MHz | 950–1525 MHz |
| INSAT Band | 6725–7025 MHz | 965–1450 MHz |
| Extended C-Band | 5850–6650 MHz | 950–1750 MHz |
| Full C-Band | 5850–6725 MHz | 950–1850 MHz |
The product supports both inverting and non-inverting local oscillator configurations depending on the selected frequency plan.
The TerraSat IBUC 2 supports several local oscillator frequencies for compatibility with different satellite systems.
| Band | Inverting LO | Non-Inverting LO |
|---|---|---|
| Band 1 | 7375 MHz | 4900 MHz |
| Band 3 | 8175 MHz | 5760 MHz |
| Band 4 | 7600 MHz | 4900 MHz |
| Band 5 | 7700 MHz | 4900 MHz |
Strong gain reduces the need for additional line amplifiers while improving overall uplink efficiency.
| Power Model | Standard Version |
|---|---|
| 10W | 71 dB |
| 20W | 74 dB |
| 40W | 77 dB |
| 60W | 79 dB |
| 80W | 80 dB |
A WGS-compatible version is also available with reduced gain for applications requiring IF drive levels up to 0 dBm.
The IBUC 2 includes a precision digital attenuator.
| Specification | Value |
|---|---|
| Attenuation Range | 30 dB |
| Step Resolution | 0.1 dB |
This allows engineers to optimize RF output precisely for individual satellite carriers.
Maintaining stable gain is essential for consistent satellite performance.
| Parameter | Specification |
|---|---|
| Open Loop | 3–4 dB p-p (band dependent) |
| With AGC | 1 dB p-p maximum |
Automatic Gain Control helps maintain consistent output despite environmental changes.
Flat gain across the operating bandwidth minimizes signal distortion.
| Measurement | Bands 1 & 3 | Bands 4 & 5 |
|---|---|---|
| Full Band | 3 dB p-p | 4 dB p-p |
| 36 MHz | 1 dB p-p | 1.5 dB p-p |
| 1 MHz | 0.25 dB p-p | 0.25 dB p-p |
Low phase noise is critical for high-order modulation and modern satellite services.
| Offset | Phase Noise |
|---|---|
| 10 Hz | -54 dBc/Hz |
| 100 Hz | -79 dBc/Hz |
| 1 kHz | -89 dBc/Hz |
| 10 kHz | -94 dBc/Hz |
| 100 kHz | -100 dBc/Hz |
| 1 MHz | -110 dBc/Hz |
These characteristics support clean carrier transmission and improved spectral efficiency.
The TerraSat IBUC 2 provides excellent RF performance for demanding uplink applications.
| Parameter | Specification |
|---|---|
| Output VSWR | 1.5:1 Maximum |
| IMD3 | -26 dBc Maximum |
| Output Stability | ±0.5 dB |
| Harmonics | -50 dBc Maximum |
| In-band Spurious | -65 dBc |
| TX Noise Density | < -78 dBm/Hz |
One of the biggest advantages of the IBUC 2 is its integrated monitoring platform.
Operators can remotely monitor:
For government and defense applications, TerraSat offers an optional Cyber Hardened version.
Security enhancements include:
These features improve protection against modern cybersecurity threats while maintaining compatibility with enterprise network policies.
The IBUC 2 supports flexible power configurations.
| Power Option | Specification |
|---|---|
| DC Input | 48 ±11 VDC |
| AC Input | 100–240 VAC |
| Optional (10W) | 24 ±4 VDC |
| DC via Coax | Available on 10W–25W models |
| Output Power | Maximum Consumption |
|---|---|
| 10W | 85 W |
| 20W | 154 W |
| 40W | 300 W |
| 60W | 360 W |
| 80W | 540 VA (AC) |
The efficient design helps reduce operational power costs while maintaining high RF performance.
Built for demanding outdoor installations, the IBUC 2 is designed to withstand harsh environmental conditions.
| Parameter | Specification |
|---|---|
| Operating Temperature (10W–50W) | -40°C to +60°C |
| Operating Temperature (60W–80W) | -40°C to +55°C |
| Humidity | 100% Condensing |
| Altitude | 3,000 m (10,000 ft) ASL |
These specifications make the product suitable for desert, tropical, coastal, and high-altitude deployments.
The compact outdoor enclosure simplifies installation while minimizing antenna loading.
Depending on the power level, units weigh between approximately 4.2 kg and 5.6 kg, with compact dimensions that facilitate mounting on a wide variety of antenna systems.
The TerraSat IBUC 2 is ideal for:
VSATplus is a trusted global supplier of professional satellite communication equipment, serving enterprise, government, defense, maritime, broadcast, and telecom customers worldwide.
When you purchase the TerraSat IBUC 2 C-Band Series from VSATplus, you receive:
Whether you are building a new satellite network, upgrading a teleport, or expanding mission-critical communications, VSATplus can provide the right RF solution for your project.
The TerraSat IBUC 2 C-Band Series (10W–80W) is a powerful, intelligent, and highly reliable Block Up Converter designed to meet the demanding requirements of modern satellite communication networks. With outstanding RF performance, flexible frequency plans, integrated monitoring, advanced cybersecurity options, and rugged environmental protection, it offers a scalable solution for a wide range of professional applications.
Available now through VSATplus, the TerraSat IBUC 2 enables operators to achieve reliable, high-performance C-band uplink connectivity while benefiting from expert support and global product availability.
