SMW Ka LNB 17.70-21.20 GHz Wideband

SMW Ka LNB 17.70–21.20 GHz 1–2 Band Wideband PLL LNB

The SMW Ka LNB 17.70–21.20 GHz 1–2 Band Wideband is a professional dual-mode LNB covering the full Ka-receive range with up to two wide sub-bands. It offers optional band switching, auto-fallback between internal and external 10 MHz references, and ultra-low phase noise compliant with DVB-S2X standards. Designed for teleports, gateways, and high-throughput networks requiring wide-IF coverage and superior stability.

Input Frequency: 17.70–20.20 GHz / 18.70–21.20 GHz
Local Oscillator: 16.75 GHz / 17.75 GHz / 18.25 GHz
Output Frequency: 950–3450 MHz (wideband IF)
Noise Figure: typ. 1.3 dB (101 K) / max 1.5 dB
Gain: typ. 55 dB (±0.4 dB within 30 MHz; ±2.0 dB full band)
Phase Noise: –40 @ 10 Hz • –70 @ 100 Hz • –86 @ 1 kHz • –94 @ 10 kHz • –105 @ 1 MHz
LO Reference: External 10 MHz (fallback to internal ±30 ppm) • Optional 100 MHz input
Switching Control: 13 / 18 V or 22 kHz tone (optional via RS-485 M&C)
Input Connector: WR-42 / PBR-220 waveguide (flange pressurizable 0.1 bar)
Output Connector: N-female 50 Ω ( SMA optional )
Power Supply: +11 to +26 V DC ( 6 W max )
M&C Interface: RS-485 (Modbus RTU) with sum alarm output (LNA fail, LO lock, etc.)
Dimensions: 127 × 56 × 46 mm (N type) • Weight ≈ 345 g
Operating Temperature: –40 to +80 °C • MTBF > 690 000 h (Ground Fixed)
Country of Origin: Sweden