The Type dimension of Radiofrequency Coil segmentation distinguishes four principal coil architectures: surface coils, volume coils, phased‑array coils, and transmit/receive (Tx/Rx) coils. Surface coils are positioned close to the region of interest, delivering high signal‑to‑noise ratio (SNR) for localized studies, thereby commanding a premium share in musculoskeletal and neuro‑imaging segments. Volume coils encircle the patient, offering uniform excitation and reception across larger fields, which sustains their relevance in whole‑body and cardiac MRI applications. Phased‑array coils integrate multiple small elements with independent channels, enabling parallel imaging techniques that accelerate acquisition and improve resolution; this versatility drives rapid adoption in high‑throughput clinical settings. Tx/Rx coils combine transmission and reception in a single unit, reducing system complexity and cost, especially in emerging low‑field MRI platforms. Collectively, these sub‑types shape the market’s revenue distribution by aligning product pricing, R&D investment, and adoption rates with the specific performance demands of each clinical workflow.