The dimensions of the Standard Tube FM Band Expander are 95mm x 12mm.

The range available in our standard box FM Band Expanders is:

10Mhz- this will shift the frequency by 10 or 20Mhz.
This will cover radio stations 88-108.
12Mhz- this will shift the frequency by 12 or 24Mhz.
This will cover radio stations 88-108.
14Mhz- this will shift the frequency by 14 or 28Mhz.
This will cover radio stations 88-108
18Mhz- this will shift the frequency by 18Mhz.
This will cover radio stations 94-108.