SMW Ka LNB 27.00-31.00 GHz 2-4 Band Uplink Monitoring

Description

SMW Ka LNB 27.00 – 31.00 GHz 2-4 Band Uplink Monitoring PLL LNB The SMW Ka LNB 27.00-31.00 GHz 2-4 Band Uplink Monitoring PLL LNB is a professional multiband downconverter designed for Ka-band uplink supervision and gateway monitoring. Featuring 2 to 4 switchable LOs, auto external/internal 10 MHz reference, and integrated RS-485 M&C with alarm outputs, it delivers exceptional stability, gain control, and low phase noise for 24/7 operation in teleport and network applications. Input Frequency (GHz): 27.00-28.50 / 28.00-29.50 / 29.00-30.50 / 30.00-31.00 (2-4 selectable bands) Local Oscillators (GHz): 26.05 / 27.05 / 28.05 / 29.05 Output Frequency: 950-2450 MHz (950-1950 MHz for Band 4) Noise Figure: typ. 4.0 dB (438 K @ 23 °C) Gain: 40 dB typ (0-40 dB adjustable via M&C); flatness ±0.4 dB within 30 MHz, ±2 dB over band Phase Noise: -34 @ 10 Hz • -64 @ 100 Hz • -84 @ 1 kHz • -92 @ 10 kHz • -96 @ 100 kHz • -113 @ 1 MHz LO Reference: External 10 MHz (-10 to +10 dBm) with fallback to Internal ±30 ppm (-40 to +71 °C) Switching Control: 13 / 18 V & 22 kHz tone or RS-485 (Modbus RTU) Image Rejection: ≥ 37 dB (LO > 28.05 GHz: 27 dB min) Output P1dB: +15 dBm min Output IP3: +25 dBm min Input VSWR: 2.0 : 1 max Output VSWR: 2.0 : 1 max Input Connector: WR-28 waveguide (PBR-320 flange) Output Connector: N-female 50 Ω ( optional SMA female ) Power Supply: +12 – +24 V DC via output or SMA port (6 W max) Alarm / M&C: RS-485 (Modbus RTU) with sum alarm for LO lock, LNA fail, supply voltage alerts etc. Dimensions: 144 × 74 × 44 mm Weight: ≈ 430 g Operating Temp.: -40 to +71 °C MTBF: > 690 000 h (Ground Fixed) Country of Origin: Sweden