Overview Product Description ISI3334/4 - 33.6 kbps V.34 x4 Modems on card (ISA) (Refurbished) 90 Day Warranty Product Videos Custom Field Product Reviews Write a Review Write a Review × Multi-Tech ISI3334/4 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *