After simple search in Wiki ,it appears to me that Terrestrial signal is from 3-3000Mhz 
by putting this interval in "ranges2.txt" in Crazyscan2 file , finding that the limit of TBS5521 is from 48-1000 Mhz
we don't have DAB/DAB+ in Algeria yet 
Best regards
flie
1, TBS not support DAB modulation (must use some card for SDR engine)
2, real wide spectrum for CrazyScan (not CrazyScan2) in streamreader.ini
;! Change IF range (default 950-2150MHz)
IFStart=250
IFStop=2550
;LNBMid=6000
;LNBStk=21000yes,I see this thread before ...DAB/DAB+ is not supported yet by TBS
https://www.tbsdtv.com/forum/viewtopic.php?f=97&t=25105
this is a wide spectrum for DVB-T/T2(Terrestrial signal) not DVB-S/S2 (satellites) made by a TBS-card ...may be one day I will try SDR 
wide spectrum for DVB-S/S2 (satellites) uses the the method that you mentioned before with Streamreader.ini file .
you see Crazycat separate all Terrestrial signal is his Crazyscan2 programe (VHF-low,VHF-high,UHF,FM) but there is not one wide spectrum !
it is just a simple way to see a wide Terrestrial signal with TBS-card wich support DVB-T signal you can see also a spike of GSM signal-which also not supported with TBS - in this wide spectrum , unfortunately there is no constellation 
there are other Terrestrial signal like 4G/5G (may be 2.4Ghz-3.5Ghz ) which are above 1000MHz -can't be seen with this wide-Terrestrial-with TBS card may can be seen with SDR or HackRF 
there is an other complicated -method with TBS DVB-S/S2-profissional cards tried before By Strannik 
at least with this complicated method with IQmonitor you can see some strange constellation 
https://filatov-yuri.livejournal.com/8834.html
In my country, DVB-T / T2 has been reduced to the 470-700 MHz band, so it is useless to cross the entire band (I would see different services - amateur radio, police, airport, ... - but none of them use the QAM standard processable TBS card), it is something else if I scan DVB-C where the whole band is used in cable.
For satellite cards, the range is limited by the components used in the card (etc. my real work from 750 to 2250 MHz - 10500-12000/11350-12850)
New StreamReaderExEx-BDA-v.1.2.4.100 in 29.11.2020
The analogue signal @ VHF_H has been switched off here ...2020/12/17
Apparently VHF_H (174 to 230 Mhz) will be reserved for DAB/DAB+ .
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