উৎপত্তি স্থল:
চীন
পরিচিতিমুলক নাম:
SETON
সাক্ষ্যদান:
CE, ISO, ROHS, POP, REACH
মডেল নম্বার:
ST-K28H
| Feature | Benefit |
|---|---|
| 8 Independent Outputs | Connect up to 8 receivers or 4 dual-tuner PVRs simultaneously |
| Full Ku-Band Coverage | 10.7–12.75 GHz input for access to all universal satellite channels |
| Optimized Noise Figure | 0.7dB typical / 1.0dB max for reliable reception |
| Dual LO Switching | 9.75/10.6 GHz with 22kHz tone control for full band access |
| Stable Conversion Gain | 55–65dB range (60dB typ.) ensures consistent signal strength |
| Excellent Phase Noise | -75dBc/Hz @1KHz for stable digital channel reception |
| High Output Isolation | 20dB min crosstalk isolation between all 8 ports |
| All-Weather Durability | -30°C to +60°C operation, weather-resistant housing |
| Universal Compatibility | Works with all standard DiSEqC-enabled satellite receivers |
| Input Frequency Range (Low-Band) | 10.7GHz ~ 11.7GHz |
| Output Frequency Range (Low-Band) | 950MHz ~ 1950MHz |
| Low band LO frequency | 9.75GHz |
| Input Frequency Range (High-Band) | 11.7GHz ~ 12.75GHz |
| Output Frequency Range (High-Band) | 1100MHz ~ 2150MHz |
| High band LO frequency | 10.6GHz |
| Noise figure | 0.7dB (Typ.)/ 1.0dB(Max.) |
| LO Initial Accuracy | 0.5MHz |
| LO Temperature Drift (-30~+60℃) | 0.75MHz |
| LO phase noise @ 1 KHz | -75dBc/Hz |
| LO phase noise @ 10 KHz | -80dBc/Hz |
| LO phase noise @ 100 KHz | -90dBc/Hz |
| Conversion Gain | 55dB~65dB/ 60dB (Typ.) |
| Gain Flatness | 3.0dB (Max.) |
| Gain Variation | 0.5dB/26MHz |
| O/P 1dB Compression Point (P1 dB) | 0.0dBm (Min.) |
| Image-Rejection | -40dBc (Min.) |
| Crosstalk Isolation | 20dB (Min.) |
| O/P VSWR | 2.5:1 |
| Control Signals Ca V | 10.0V~14.0V |
| Control Signals Cb H | 16.0V~20.0V |
| Control Signals Cc | 22 4KHz |
| DC-Power | 10~20V/180Vdc*mA (Max.) |
| Output Impedance | 75Ω (F-Type) |
| Working Temperature | -30℃~+60℃ |
| Scenario | Why ST-K28H? |
|---|---|
| Large Family Homes | Feed 8 TVs across multiple floors with independent channel selection |
| Multiple PVR Systems | Connect 4 dual-tuner PVRs for comprehensive recording capability |
| Small Hotels / Guesthouses | Distribute satellite TV to 8+ rooms from a single dish |
| Apartments / MDUs | Ideal for small multi-dwelling units without complex switching |
| Central Distribution | Perfect head-end for small to medium satellite distribution systems |
| Large-Scale Upgrades | Replace multiple LNBs with one clean, efficient solution |
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