v3.26.1
Cover
Aug. 12, 2026
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 12, 2026
Current Fiscal Year End Date --12-31
Entity File Number 001-42016
Entity Registrant Name RF ACQUISITION CORP II
Entity Central Index Key 0002012807
Entity Tax Identification Number 00-0000000
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 111 Somerset
Entity Address, Address Line Two #05-07
Entity Address, City or Town Singapore
Entity Address, Country SG
Entity Address, Postal Zip Code 238164
City Area Code 65
Local Phone Number 6904 0766
Written Communications true
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Units Each Consisting Of One Ordinary Share And One Right [Member]  
Title of 12(b) Security Units, each consisting of one ordinary share and one right
Trading Symbol RFAIU
Security Exchange Name NASDAQ
Ordinary Shares Par Value 0. 0001 Per Share [Member]  
Title of 12(b) Security Ordinary Shares, par value $0.0001 per share
Trading Symbol RFAI
Security Exchange Name NASDAQ
Rights Each Right Entitling Holder Thereof To Onetwentieth Of One Ordinary Share [Member]  
Title of 12(b) Security Rights, each right entitling the holder thereof to one-twentieth of one ordinary share
Trading Symbol RFAIR
Security Exchange Name NASDAQ