Cheap And Discounts ZTE Vodafone M300z 4G MODEM 4g lte Band B1 3 7 8 20 28 38 4G 600Mbps MODEM Wholesale. Buy Directly From Merchant 4Gmodem Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.