Overview Product Description CC4800A/RJ21 - Chassis (Dial-up & 2-Wire Leased) RJ21 (Refurbished) 90 Day Warranty Product Videos Custom Field Product Reviews Write a Review Write a Review × Multi-Tech CC4800A/RJ21 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *