As filed with the Securities and Exchange Commission on May 7, 2024 Registration No. 333-277810 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Amendment No. 2 to RF Acquisition Corp II 111 Somerset, #05-07 Singapore, 238164 Tel: +65 6904 0766 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 RF Acquisition Corp II (Exact name of registrant as specified in its charter) Cayman Islands 6770 N/A (State or other jurisdiction of incorporation or organization) (Primary Stand ...