WCAD
City of license	San Juan, Puerto Rico
Broadcast area	Puerto Rico
Branding	Alfa Rock
Slogan	La Cadena Rock De Puerto Rico, Tu Formula De Radio
Frequency	105.7 MHz
Format	Album Oriented Rock
ERP	50,000 watts
HAAT	335 meters
Class	B
Facility ID	3537
Transmitter coordinates	18°16′54″N 66°6′46″WCoordinates: 18°16′54″N 66°6′46″W
Owner	Broadcasting & Programming Systems of Puerto Rico, Inc.
Website	alfarock.com/

WCAD (105.7 FM) is a radio station broadcasting an album oriented rock format. Licensed to San Juan, Puerto Rico, USA, it serves the Puerto Rico area. The station is currently owned by Broadcasting & Programming Systems of Puerto Rico, Inc..