Choosing this model
GL400Z12 selection guide
Start by checking the required frequency against GL400Z12 and GL450Z12. Their listed gain and beamwidth figures match, but their operating ranges differ; choosing by the similar model names or gain alone can select the wrong frequency version.
GL400Z12 lists 400–450 MHz, while GL450Z12 lists 450–470 MHz. Where the ranges meet, also check the separate bandwidth specification. Both allow vertical or horizontal polarization; confirm which orientation the installation requires.
