(dev->phy.rev == 5 && nphy->ipa2g_on &&
                b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
        if (phy6or5x) {
-               /* TODO */
+               if (dev->phy.is_40mhz) {
+                       b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
+                                       tbl_tx_iqlo_cal_loft_ladder_40);
+                       b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
+                                       tbl_tx_iqlo_cal_iqimb_ladder_40);
+               } else {
+                       b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
+                                       tbl_tx_iqlo_cal_loft_ladder_20);
+                       b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
+                                       tbl_tx_iqlo_cal_iqimb_ladder_20);
+               }
        }
 
        b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);