What are the dimensions of the SR-497HPC? Shawn July 18, 2018 18:12 Updated The SR-497HPC dimensions are; 2-3/8” (H) x 7-7/8” (W) x 9-1/4” (D). Related articles What are the dimensions of the 655 & 955? What are the dimensions of the SR-440HP or SR-490HP? I'm looking for a very nice Radio for my Kenworth and dual Antennas for mirrors Can I power the 655 with a cigarette lighter adapter? Minimum power wire size? 8 or 10 ga? Comments 0 comments Please sign in to leave a comment.