VK4L – Labgear Quad LNB with Bracket
User GuideThe Labgear LNB VK8L is a high-quality Low-Noise Block (LNB) converter designed for satellite TV installations. It efficiently captures satellite signals and converts them into a usable form for your satellite receiver, delivering reliable and clear reception for your favourite TV channels.
- Four outputs with switchable polarity
- Feeds 4 satellite receivers from a single dish (or 2 receivers with built-in recorders)
- Compatibility: Universal Ku Band LNB suitable for use with Sky-HD™, FreeSat HD™ & popular European satellite receivers
- Low noise Typical 1.0dB
- Supplied with a Mk4 Sky™ compatible dish bracket with built-in spirit level
- Pull Down Weather Shield
- 25MHz PLL crystal technology ensures rock-solid frequency stability across a wider range of operating temperatures
- Input Frequencies: Low 10.7-11.7GHz High 11.7-12.75GHz
- Output Frequencies : Low 950-1950MHz High 1100-2150MHz
- Max Power Req.: 140mA
- Gain Conversion @ 25⁰C: 55-63dB
- Cross Polar Isolation: Typ. 20dB
| Product Specifications | |
| Compatible with | SkyHD, Sky, Sky+,FreesatHD, Freesat, Freesat+, Freetime, other European |
| Frequency Band | Ku band |
| No of Outputs | 4 |
| Phase-locked Loop (PLL) | 25MHz |
| Low Band I/P Frequency Range (GHz) | 10.7 ~ 11.7 GHz |
| Low Band O/P Frequency Range (MHz) | 950 ~ 1950 MHz |
| Low Band LO Frequency (GHz) | 9.75 GHz |
| Low Band Noise Figure (typical) | 0.45 dB |
| Low Band Control Signals | Ca or Cb |
| High Band I/P Frequency Range | 11.7 ~ 12.75 GHz |
| High Band O/P Frequency Range | 1100 ~ 2150 MHz |
| High Band LO Frequency | 10.6 GHz |
| High Band Noise Figure | 0.45dB |
| 10 LO Initial Accuracy (typ) | ±0.03MHz |
| LO Temperature Drift (max) | ±0.75MHz |
| LO Phase Noise @ 1K Hz | 76 dBe/Hz |
| LO Phase Noise @ 10K H | 90 dBe/Hz |
| LO Phase Noise @ 100K Hz | 95 dBe/Hz |
| Conversion Gain | 56-65 dB |
| Gain Variation (typ) | 0.5 dB/27MHz |
| Image Rejection (typ) | 42 dB |
| O/P 1 dB Compression Point (typ) | 2 dBm |
| Crosstalk Isolation | 26 dB |
| Control Signals Ca [ V ] | 10.5 ~ 14.5 V |
| Control Signals Cb [ H ] | 15.5 ~ 22.0 V |
| Control Signals Cc | 22 ± 4 KHz |
| O/P Supurious (max) | -50 dBc |
| O/P VSWR | 2.0:1 ~ |
| DC Power | 170mA V/mA |
| Working Temperature | – 35 ~ + 70℃ |
| Part Number | VK4L |
|---|---|
| Brand | Labgear |
| EAN | 5050171076972 |
| Unit Pack Quantity | 1 |
| Unit Dimensions | 12 x 8.1 x 11.5cm |
| Unit Weight | 223g |
| Outer Box Quantity | 60 |
| Outer Box Dimension | 59.5 x 35 x 38cm |
| Outer Box NW/GW | 13.38kg/14.44kg |
