FXTC-HE73TC-39 MHZ FXTC-HE73TC-39MHZ FXTC-HE73TC-4 MHZ FXTC-HE73TC-4.096 MHZ FXTC-HE73TC-4.096MHz FXTC-HE73TC-4.112 MHZ FXTC-HE73TC-4.112MHZ FXTC-HE73TC-40 MHZ FXTC-HE73TC-40.96 MHZ FXTC-HE73TC-40.96MHz