That's not for both the E75-1 and E75-2, it's only for the E75-1. The FCC site has two separate filings for the E75-1 (PYARM-412) and the E75-2(PYARM-413) because the E75-2 has 850MHz WCDMA that needs to be tested.
From Navifirm we know that there are three different handsets for N97:
RM-505...