The X-band SSPB 400W Solid State Power BUC is a high-efficiency, outdoor-ready transmitter engineered for professional satellite uplinks, teleport stations, and MilSatCom infrastructures. Covering the 7.9–8.4 GHz X-band, this solid-state amplifier integrates an SSPA and a BUC into one compact outdoor unit (ODU), minimizing signal loss and simplifying installation.
LO: 6.95 GHz | IN: 950–1450 MHz | OUT: 7.9–8.4 GHz
Built using advanced GaN solid-state technology, the 400 W amplifier delivers Psat 56 dBm and Plinear 53 dBm, with 75 dB nominal gain and 20 dB control in 0.1 dB steps. The low phase noise performance (–63 dBc/Hz @100 Hz; –73 dBc/Hz @1 kHz; –83 dBc/Hz @10 kHz) ensures clean, stable, and high-quality signal amplification for critical multi-carrier uplinks.
Encased in a durable aluminium housing, the SSPB 400W operates reliably in extreme environmental conditions — from –40 °C to +55 °C, and up to 100% humidity. Its forced-air cooling system, 26 kg lightweight design, and 139 × 298 × 489 mm dimensions make it ideal for fixed or field-deployed systems requiring strong, linear, and efficient uplink power.
🛠️ The X-band SSPB 400W amplifier combines compactness, high power, and superior linearity for demanding professional and military satellite communication. Its efficient solid-state design ensures 24/7 operation with minimal maintenance and maximum reliability in harsh environments.
🛒 Available for order online at the best price with worldwide shipping. The X-band 400W Solid State Power BUC is your optimal choice for broadcast, defense, and teleport infrastructures seeking stable, high-power uplink performance.
📌 Key Features
🔴 Full 7.9–8.4 GHz X-band coverage
The SSPB 400W supports the complete X-band uplink frequency range for broadcast, MilSatCom, and satellite gateway applications. Its versatility makes it ideal for both fixed and mobile communication infrastructures.
🔴 400W high output power (Psat 56 dBm)
Delivering up to 400 watts of saturated RF power, this solid-state amplifier ensures high-performance satellite uplinks. Its linear design allows efficient operation across wide dynamic ranges, maintaining excellent signal integrity.
🔴 75 dB high linear gain with fine control
Providing 75 dB nominal gain and 20 dB adjustment in 0.1 dB steps, the amplifier enables precise uplink signal optimization. This ensures seamless integration into complex teleport and gateway networks.
🔴 Low phase noise and high stability
Featuring phase noise as low as –83 dBc/Hz @10 kHz, the SSPB meets and exceeds DVB-S2 and MilSatCom standards. It guarantees clean modulation and minimal interference in multi-carrier operation.
🔴 GaN solid-state efficiency
Using advanced GaN transistors, the amplifier achieves higher efficiency and reliability compared to TWT-based systems. This reduces maintenance costs and enhances long-term system stability.
🔴 Rugged outdoor construction
The robust aluminium housing is designed to withstand extreme environmental stress, from high humidity to wide temperature swings. Ideal for outdoor-mounted or mobile deployments.
🔴 Compact and lightweight ODU
Despite its 400 W power output, the amplifier’s compact form factor (139 × 298 × 489 mm) and 26 kg weight simplify installation. It’s ideal for tower, rooftop, or teleport mounting.
🔴 Forced-air cooling system
The efficient thermal design ensures stable operation at full output power 24/7. It maintains internal component temperature under heavy RF loads, extending equipment life.
🔴 High spectral purity and linearity
Spurious emissions below –55 dBc and IMD ≤ –25 dBc ensure distortion-free amplification. Perfect for DVB, broadband, and multi-carrier satcom networks.
🔴 Broadcast and teleport integration
The SSPB 400W integrates smoothly into broadcast uplinks and teleport infrastructures. It supports continuous high-power transmission for media, defense, and telecom operators.
⚙️ Main Functions
✔ High-power X-band satellite uplink
Delivering 400 W RF power across the 7.9–8.4 GHz band, the SSPB ensures strong, stable, and linear signal transmission for teleports and MilSatCom networks. Its design supports reliable communication even under heavy traffic and extended operation.
✔ Integrated SSPA and BUC architecture
By combining an amplifier and upconverter into one unit, this SSPB reduces RF losses, simplifies installation, and enhances overall system efficiency. It minimizes cabling complexity and provides superior upconversion performance for satellite gateways.
✔ Advanced gain control and precision tuning
Operators can fine-tune performance using 20 dB gain adjustment in 0.1 dB steps, achieving perfect uplink balance. This precision control improves signal quality in dynamic and multi-carrier environments.
✔ Low-noise, distortion-free amplification
The SSPB 400W achieves exceptional noise performance and minimal IMD distortion, delivering clean signals for DVB-S2, MilSatCom, and broadcast transmissions. It ensures robust link integrity even under adverse RF conditions.
✔ Reliable 24/7 operation
Designed for non-stop performance, the unit includes advanced thermal protection and a forced-air cooling system. It operates continuously in demanding climates and high-load applications.
✔ Optimized for VSAT and teleport gateways
Ideal for large-scale X-band gateways and VSAT hubs, the SSPB integrates smoothly into professional infrastructure. It delivers consistent high gain and low phase noise across the entire frequency band.
✔ Outdoor-ready construction
Engineered for field and permanent use, the amplifier withstands temperature extremes, moisture, and vibration. It ensures dependable performance in harsh and remote satellite installations.
✔ Energy-efficient solid-state design
Built on GaN technology, the 400W SSPB achieves superior power efficiency while minimizing energy consumption. It provides long-term cost savings and enhanced reliability for continuous operation.
✔ Broadcast and telecom functionality
The amplifier supports high-capacity broadcast and data links with exceptional spectral purity. It’s ideal for HD media networks, teleport hubs, and government communication systems.
✔ High reliability for mission-critical satcom
The rugged, all-weather X-band SSPB ensures dependable performance for critical communication links. It provides stable RF power and signal purity for defense, aerospace, and commercial systems.
🧩 Applications
✅ Teleport stations
The X-band SSPB 400W is engineered for teleport uplinks requiring high power, stability, and continuous operation. It ensures reliable communication for global broadcasting and MilSatCom applications.
✅ MilSatCom and defense communication
Designed for military-grade X-band systems, the amplifier ensures secure, interference-free uplinks. Its rugged build and low noise performance make it ideal for defense and aerospace use.
✅ VSAT hubs and gateways
Integrates seamlessly into VSAT networks and gateway infrastructures, supporting multiple carriers and high-bandwidth uplinks. It enhances overall link performance and system reliability.
✅ Broadcast satcom networks
The amplifier delivers clean, high-power DVB-S2 signals for 24/7 broadcast operations. It ensures flawless transmission for TV, radio, and media uplinks.
✅ Government and aerospace communication
The SSPB 400W supports reliable communication links for governmental and aerospace missions. It ensures secure data transfer with high linearity and efficiency.
✅ Outdoor field installations
Compact and durable, this outdoor BUC performs reliably in extreme climates. Perfect for remote field stations, towers, and mobile terminals.
✅ Multi-carrier satellite systems
Maintaining excellent linearity and low IMD, the SSPB handles multiple carriers simultaneously. It’s ideal for broadband and enterprise-class satcom networks.
✅ Professional teleport infrastructures
Engineered for broadcast and telecom operators, the SSPB 400W provides stable RF performance and 24/7 reliability. It’s built for heavy-duty teleport operations worldwide.
✅ Maritime and remote communication
Provides dependable uplinks for ships, offshore platforms, and remote sites. The unit’s GaN technology ensures high reliability in demanding marine environments.
✅ High-throughput satellite networks
Supports HTS systems with consistent RF performance and superior efficiency. Ensures maximum bandwidth utilization across X-band operations.
👉 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 X-band SSPB 400W, contact our team. We provide professional consultation, installation guidance, and aftersales support to ensure optimal performance of your satellite communication equipment.
| RF Characteristics |
| Power |
400 W |
| RF Output at Psat |
56 dBm |
| RF Output at Plin |
53 dBm |
| Output Frequency Range |
7.9–8.4 GHz |
| Input Frequency Range |
950–1450 MHz |
| Local Oscillator Frequency |
6.95 GHz |
| Output Spurious |
-55 dBc max |
| Spectral Re-growth |
-30 dBc @ Plinear |
| Third order IMD |
-25 dBc |
| Gain & Linearity |
| Linear Gain |
75 dB Nominal |
| Gain Control |
20 dB in 0.1 dB steps |
| Gain Stability Over Temp |
±2.0 dB max |
| Gain Variation at fixed temp |
±2.0 dB over full band; ±0.5 dB over 40 MHz |
| Reference & Phase Noise |
| 10 MHz Reference |
0 dBm ±5 dB |
| Phase Noise |
-63 @100 Hz; -73 @1 kHz; -83 @10 kHz |
| Interfaces |
| Input Impedance |
50 Ohms |
| Output VSWR |
1.50:1 |
| RF Output Interface |
CPR 112G (Grooved) |
| IF Input |
N-Type Female, 50 Ohms |
| Connectors |
DC: MS3102R14S-9P; AC: MS3102R14S-7P; M&C: MS3112E1419P; Redundancy: MS3112E14-19S (Optional) |
| Power & Cooling |
| Power Consumption |
1800 W |
| Cooling |
Forced Air |
| Mechanical |
| Dimensions (L×W×H) |
139 × 298 × 489 mm |
| Weight |
26 kg |
| Environmental |
| Operating Temperature |
-40…+55 °C |
| Storage Temperature |
-40…+75 °C |
| Humidity |
0–100% (condensing) |
| Altitude |
10,000 ft ASL |
