... models, such as HUAWEI E392u-12, HUAWEI E392u-21, HUAWEI E392u-22, HUAWEI E392u-92, HUAWEI E392u-6, HUAWEI E392u-9, HUAWEI E392u-511 etc… ... UAE (Etisalat):Russia (Magafon): HUAWEI E392 4G Surfstick provides two connections for two separate external antennas or MIMO antenna with two ... served area, it is advisable to use an external antenna for E392.HUAWEI E392 Specifications:* 4G Frequency: LTE 800/900/ ...