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Antenna feed system
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Product overview
Model MLD27-5V-485 detection method Diffuse reflection detection distance 15-20mm Laser level class2 (low power), class3R, class3B (high power) Light source Red semiconductor laser wavelength: 660nm, blue semiconductor laser wavelength: 405nm Maximum output power ≤ 0.95mw (low power), ≤ 5mw, ≤ 20m···
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Product details
| Parameters | Indicator requirements | ||
| Down | Uplink | ||
| Operating Frequency (MHz) | CDMA：824-835 | CDMA：869-880 | |
| GSM：889-915 | GSM：934-960 | ||
| DCS: 1710-1785 or 1735-1785 | DCS: 1805-1880 or 1830-1880 | ||
| TD-D：2615-2675 | TD-D：2615-2675 | ||
| 2.1G：1940-1950 | 2.1G：2130-2140 | ||
| Maximum Gain (dB) | 95±3 | 90±3 | |
| Nominal Maximum Output Power (dBm) | 40±2 | 27±2 | |
| Auto Level Control ALC (dB) | ≤|±2.0| | ||
| Gain Adjustable Range (dB) | ≥30 | ||
| Gain Adjustment Step (dB) | 1 | ||
| Gain Adjustment Error (dB) | January 10 | ≤|±1.0| | |
| November 20 | ≤|±1.0| | ||
| 21-30 | ≤|±1.5| | ||
| Noise Figure (dB) | ≤5.0 | ≤5.0 | |
| In-band fluctuation (dB) | ≤5.0 | ||
| Frequency skew | ≤0.05ppm | ||
| Spurious emissions | Out-of-band (2.5MHz off the edge of the band) | 9KHz-1GHz≤-36dBm | |
| 1GHz-12.75GHz≤-30dBm | |||
| Intermodulation attenuation | In-band | ≤-36dBc/30KHz | |
| Out-of-band suppression (dB) | 2.5MHz≤ f_offset<5MHz | ≥30 | |
| 5 MHz ≤f_offset | ≥60 | ||
| Input/output voltage VSWR | ≤1.5 | ||
| Latency (us) | ≤5 | ||
| Latency Adjustment Range (us) | ≥50 | ||
| Optical Power (dBm) | ≥-9 | ||
| Light Reception Sensitivity (dBm) | ≤-20 | ||
| Optical transmission distance (km) | ≥10 | ||
| mains supply | Near-end and remote units: AC220V±20%, 50±5Hz, | ||
| Dimensions (mm) | Space-coupled proximal and distal: 489×438×187 | ||
| Monitoring method | RJ-45 | ||
| Working environment | 1. Working environment temperature: -20°C~55°C; | ||
| 2. Working environment humidity: 15%~95%; | |||
| 3. Air pressure: 70-106kPa; | |||
| 4. Protection level: waterproof and dustproof performance meets IP65 standard; | |||
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Antenna feed system
No. 2 Shihuan Road, Shiyan Street, Baoan District, Shenzhen New era Gongrong Industrial Zone A2 building
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