The IC-T8A may be blocked from direct entry of cellular frequencies, but you can still receive analog cellular frequencies on it quite nicely. All you need is a little arithmetic...
If you've performed the mods listed on this site to open up the receive range to 999.95MHz, cellular is no problem. All you have to do is dial in the image frequency for cellular. That is, dial in a freq that is the cellular freq plus 2 times the IF frequency for the T8A, which is 41.85 MHz.
The cellular band (for analog phones only)from handheld to cell site is 824-849 MHz. Transmit back from cell site to handheld is 869-894 MHz. (There are a few control and data channels interspersed in those ranges too.) That corresponds to 907.7 to 977.7 MHz display on the T8A.
So, for example, to receive transmissions from a cellular phone at 826 MHz, just set the T8A to 826 + 83.7 = 909.7 MHz.
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