May I paint antennas and if so, which paint can be used without hesitation and without compromising warranty rights?
What is the difference between Cross Polar Ratio (CPR) and Isolation between Ports?
What colour are the radomes?
Where can I get old data sheets?
What distance do I have to stay away from an operating antenna?
Why do antennas, filters, combiners, etc. require no CE label?
Which IP value corresponds to the antennas?
Which Nulfill values are yielded?
Can antennas be mounted upside down with the cable connections at the top?
Which regulations apply for storage?
The MSI files cannot be opened. The Microsoft Installer opens instead.
Which IP value corresponds to splitters ?
What are the wind loads of panels with a tri-sector clamp?
What is an antenna?
How is the wave length to be calculated?
What means polarization?
What is half power beamwidth (HPBW)?
What is the dBi value? How is the dBi value to be calculated depending on the dBd value?
I already registered on the customer portal several days ago but have received no reply yet.
How long is the antenna service life? How do antennas and filter products have to be maintained?
What MTBF do the antennas have?
What fire protection class do the antennas meet?
Can antennas be used in explosion-endangered areas? Are the antennas equipped with protection against explosion?
Which environmental standards have the antennas been tested to?
Do train antennas fulfil the standard EN50155?
Are train antennas high-voltage proofed?
What is the difference between Xpol and VPol?
Where can I get HCM-codes for antennas?
FAQ - Filter, Combiners & Amplifiers
What is the difference between a Hybrid Combiner and a Same-Band Combiner?
What is the difference between a 2:1 and a 4:4 or even higher-order Hybrid Combiner?
What is a Duplex Hybrid Combiner and when can this be deployed?
How can feeder sharing be performed in spite of a mixed protocol environment at the mast head (CWA, AISG or proprietary communication protocol)?
How high is the insertion loss of a Combiner?
When are DC-Stops deployed in an RF-Configuration?
What IP rating do KATHREIN Filters, Combiners and DTMA's fulfill?
Why and where are TMA's deployed in a network?
What is the difference between a Bias Tee and a Smart Bias Tee?
Does KATHREIN also supply Boosters or GMAs (Ground Mounted Amplifiers)?
How can I select the correct TMA for my network requirements?
KATHREIN-Werke KG Rosenheim