Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Aug. 23, 2022
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2022
Entity File Number	001-41332
Entity Registrant Name	RF ACQUISITION CORP.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	61-1991323
Entity Address, Address Line One	111 Somerset, #05-06
Entity Address, Country	SG
Entity Address, Postal Zip Code	238164
City Area Code	65
Local Phone Number	6904 0766
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	true
Entity Central Index Key	0001847607
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Amendment Flag	false
Class A common stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		11,700,000
Class B common stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		2,875,000
Units, each consisting of one share of Class A common stock, one redeemable warrant, and one right to receive one-tenth of one share of Class A common stock share
Document Information [Line Items]
Title of 12(b) Security	Units, each consisting of one share of Class A common stock, one redeemable warrant, and one right to receive one-tenth of one
Trading Symbol	RFACU
Security Exchange Name	NASDAQ
Share of Class A common stock, par value $0.0001 per share
Document Information [Line Items]
Title of 12(b) Security	Share of Class A common stock, par value $0.0001 per share
Trading Symbol	RFAC
Security Exchange Name	NASDAQ
Warrants, each whole warrant exercisable for one share of Class A Common Stock at an exercise price of $11.50
Document Information [Line Items]
Title of 12(b) Security	Warrants, each whole warrant exercisable for one share of Class A common stock at an exercise price of $11.50 per share
Trading Symbol	RFACW
Security Exchange Name	NASDAQ
Rights, each right receives one-tenth of one share of Class A common stock
Document Information [Line Items]
Title of 12(b) Security	Rights, each right receives one-tenth of one share of Class A common stock
Trading Symbol	RFACR
Security Exchange Name	NASDAQ