Comstar Technology (HK) Limited specializes wireless network cards. We have 3. 5 G HSUPA, 3G HSDPA, EDGE, CDMA. GPRS wireless cards. We have AIRCARD875, AIRCARD850, AIRCARD860, AIRCARD775, OPTION HSDPA, NOVATEL MERLIN U740, U630, SONYERICSSON GC89, GC85 etc... Thanks to our wonderful staff, we can supply quality and reliable products and services with competitive prices. Therefore, our products are popular in the market and we are confident of providing customers with better products.