The DAT45 aerial has a gain of around 16.5dB which if you consider that an increase of 3dB represents a Doubling of signal is quite high. A "standard" TV aerial has a gain of about 12dB so the DAT45 could be considered to be around 200% better.
The DAT75 has a gain of 19dB which is "only" 2.5dB higher than the DAT45 (in fact about 65% more gain!)
Gain (dB): 19
F/B ratio (dB): 32
Length (mm): 1825
Wind 785 N/m2: 48
load 1080 N/m2 (N): 66
We Supply a Black version NOT the Yellow shown above