Products/Brands › Inter-tel 660.2100 Premier ESP CPU Processor Card - Refurbished Image 1 of 1 Inter-tel 660.2100 Premier ESP CPU Processor Card - Refurbished $165.00 Quantity: Add To Cart Added! Features:Part number: 660.2100Main Processor board for Premier ESP System. WARRANTY: 3-MONTH WARRANTY Features:Part number: 660.2100Main Processor board for Premier ESP System. WARRANTY: 3-MONTH WARRANTY Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like Inter-tel 660.3900 Premier 8-Button Non Display Phone - Refurbished $79.00 Inter-tel 662.0820 GMX-48 Replacement Power Supply - Refurbished $289.00 Inter-tel 660.7000 IMX/ESP 24-Button Display Phone - Refurbished $149.00 Inter-Tel 660.5100 DSS Module (Charcoal) - Refurbished $149.00 Intertel 662.3801 GMX/DVK 24-Button Non Display Phone (Grey) - Refurbished $139.00