SpaceBridge SBB0400X 400W X-Band Outdoor GaN BUC

SpaceBridge SBB0400X 400W X-Band Outdoor GaN BUC

The SpaceBridge SBB0400X is a 400W X-band outdoor GaN block upconverter (BUC) operating from 7.9–8.4 GHz for fixed, mobile, and maritime satellite communications. It delivers 250 W single-carrier or 200 W two-carrier linear output power, with an IP67-rated enclosure, built-in 1:1 redundancy control, and Ethernet monitoring.

Technical Specifications

Model: SBB0400X
RF Frequency Range: 7.9–8.4 GHz
IF Frequency Range: 950–1450 MHz
LO Frequency: 6.950 GHz
Saturated Output Power: 400 W / 56 dBm
Single-Carrier Linear Output Power: 250 W / 54 dBm
Two-Carrier Linear Output Power: 200 W / 53 dBm
Small-Signal Gain: 70 dB nominal
Gain Control: 20 dB minimum range, adjustable in 0.1 dB steps
IF Input Connector: N-type female, 50 Ω
RF Output Connector: CPR112, grooved
Reference: External 10 MHz; optional internal high-stability 10 MHz reference
Power Supply: 90–265 VAC
Power Consumption: 2,500 W at saturated output; 2,150 W at two-carrier linear output
Monitoring and Control: Ethernet web interface, SNMP, RS-232, RS-485, Form-C contacts
Operating Temperature: −40°C to +55°C
Ingress Protection: IP67
Dimensions: 327 × 279 × 187 mm (L × W × H)
Weight: 13.6 kg / 30 lb

Key Features

• Third-generation GaN technology with high efficiency and linearity

• MIL-STD-188-164C compliant

• Built-in 1:1 redundancy control

• Integrated true RMS output power meter

• Output overdrive protection, output VSWR protection, and thermal shutdown

• Forced-air cooling for outdoor operation

• Optional white or FS34083 aerospace flat green finish