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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28
Our bidirectional Crankk/Helium booster ensures stronger and improved signal quality in the EU 868 MHz (US 915 MHz) frequency range
The outdoor amplifier is installed directly on the antenna
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✅ Quick guide
Crankk / Helium Bandpassfilter (Hohlraumfilter) Helium Our bidirectional Crankk/Helium booster ensuresThe filter is specifically designed for the Crankk Helium frequency band and stands out with its superior technical parameters. It efficiently filters and removes interfering signals from other frequency bands (e. g., LTE). This makes a bandpass filter especially recommended in cities and near transmission towers, where high levels of signal interference are common. Bandpass filters also offer significantly higher performance than SAW filters,
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