WR28-WR22 hagaha hirarka kala guurka 30.0-40.0 GHz 25.4mm WR4-WR5 hagaha hirarka kala guurka 140-260 GHz 25.4mm WR28-WR22 hagaha hirarka kala guurka 140-260 GHz 25.4mm WR112-WR90 hagaha hirarka kala guurka 8.2-10GHz 25.4mm WRD750 mawjadaha mawjadaha qalloocan 8-18GHz