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

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