L-Band Downlink R16 | GL7220
The GL7220 from Global Foxcom’s Sat-Light Gold Series provides long-distance L-Band optical downlink transmission across 950 to 2200 MHz. Designed for professional satellite and wireless applications, the system supports transmission distances of up to 40 km with a 16 dB optical budget.
Features & Benefits
- Optimized for professional satellite and wireless applications
- Supports transmission distance up to 40 km
- Selectable VAR, AGC, and MGC
- Front panel test port
- Selectable LNB powering
- Optical wavelength options of 1310 nm, 1550 nm, and CWDM
- Supports 50 ohm and 75 ohm systems
- Status and monitoring capabilities
- Compatible with first-generation Sat-Light products
Basic Details
The GL7220 is designed as a high-performance, cost-effective alternative to conventional coaxial-cabled systems for long-distance L-Band downlink applications. The link consists of an optical transmitter that receives the RF signal from an LNB or LNA and an optical receiver that connects to indoor receiver equipment. It accommodates all satellite modulation schemes, including digital and analog formats, while direct modulation of the laser diode helps maintain low phase performance. High dynamic range DFB laser technology supports signal quality for demanding downlink requirements, and the system is compatible with the first-generation Sat-Light 7000 Series platform.
Basic Details
| RF Specification | Value |
| Frequency Range – Bandwidth | 950-2200MHz |
| Amplitude Response @ Unity Gain | ±2dB |
| Noise Figure | 22dB |
| Output IP3 (OIP3) | 5dBm |
| Input Signal Range – Total Power | -45 to -20dBm |
| RF Output Signal Range – Total Power | -45 to -20dBm |
| Optical Specifications | |
| Optical Budget / Distance 1310nm 1550nm | 16dB (8Km | 15Km) |
What RF output signal range is available on the GL7220?
The RF output signal range is -45 dBm to -20 dBm total power, supporting integration with indoor receiver equipment in downlink configurations.
How much link gain adjustment does the GL7220 support?
The GL7220 provides adjustable link gain from -10 dB to +10 dB, enabling gain tuning based on system requirements.
Which RF connector types are supported on the GL7220?
The system supports F and SMA connector options for RF input and output, along with a BNC test port configuration.
What operating temperature range is supported?
The GL7220 is designed to operate in temperatures from -10°C to +55°C.
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