Overview Product Description AC820 - PCMCIA Cable Hayes Global 56 Megahertz CC3288 (4pin) (New) 90 Day Warranty Product Videos Custom Field Product Reviews Write a Review Write a Review × Megahertz AC820 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *