Suppot Text messages,Broadcast reception and Group SMS
Antenna: Built in and support external antennas
Number of entries in the phonebook: up to 100
Supported Systems Windows XP,Vista Win7 or above
Weight: about 30g
Warranty: Full One Year
Huawei E3131 is one the best 21M USB modem for 3G or 4G networks. It is designed to usb supported computers and laptops including Apple's Mac. Our unlocked E3131 Huawei modem can support most mobile networks world widely.