Rifland Universal Quad LNB, 4 Outputs, Ku-Band, White, 7478
EGP 173
SKU
31640
The Rifland 7478 is a Universal Ku-band Quad LNB built for the standard Egyptian satellite installation on the 7° West cluster, where Nilesat 201, Nilesat 301 and Eutelsat 7 West A sit together. It covers the full universal input range of 10.70 to 12.75 GHz and converts it down to the 950 to 2150 MHz intermediate frequency your receiver expects, switching between the 9.75 GHz and 10.60 GHz local oscillators on the 22 kHz tone and between vertical and horizontal polarity on the 13 and 18 volt supply from the receiver. Four independent outputs feed four receivers from one dish without a multiswitch, which makes it the usual fit for a villa, a small building floor, or a café with several screens. The die-cast RF chamber sits inside a UV-stabilised weatherproof shell with a sealed F-connector boot, so it holds up to Egyptian summer heat and to winter rain on an exposed roof. Set the skew angle before tightening the clamp, and check the signal quality bar on the receiver rather than the signal strength bar, because quality is what determines a stable picture.
| SKU | 31640 |
|---|---|
| Brand | Rifland |
| Color | White |
| Product type | Satellite LNB |
| Input Frequency Range | 10.70 – 12.75 GHz (Ku-Band Universal) |
| Installation Location | Outdoor |
| Material | Zinc Alloy |
| Polarization | Linear — Horizontal / Vertical (H/V) |
| Temperature Range | −30 °C to +60 °C |
| Waterproof | Supported |
| Band Switching | 22 kHz Tone — Tone OFF/Low Band (9.75 GHz), Tone ON/High Band (10.60 GHz) |
| Connector Type | F-Type Female |
| Conversion Gain | 55 – 60 dB Conversion Gain |
| Cross-Polar Isolation | 22 dB Typical Cross-Polar Isolation |
| Current Consumption | 150 mA Maximum at 13 / 18 V DC |
| Feed Horn Diameter | 40 mm Universal Feed Neck (Standard Egyptian Dish Holder) |
| Impedance | 75 Ohm |
| L.O. Stability | ±1.5 MHz Over the Full Operating Temperature Range |
| LNB Outputs | 4 Independent Universal Outputs |
| LNB Type | Quad LNB |
| Local Oscillator (L.O.) | 9.75 GHz (Low Band) / 10.60 GHz (High Band) |
| Noise Figure | 0.3 dB Typical (Universal Ku-Band Class) |
| Output IF Frequency | 950 – 2150 MHz (Low Band 950–1950 MHz / High Band 1100–2150 MHz) |
| Polarization Switching | 13 V DC/Vertical / 18 V DC/Horizontal, DiSEqC 1.0 Compatible |
| Receivers Supported | 4 Receivers, or 2 Twin-Tuner PVR Receivers |
| Supported Satellites | Nilesat 201 and Nilesat 301 with Eutelsat 7 West A at 7° West, Plus Astra, Hotbird, Badr and All Ku-Band Satellites |
| Image Rejection | 40 dB Minimum Image Rejection |
| Country of Origin | China |
| Model Number | 7478 |
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