... 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… ... different areas:Estonia (EMT): UAE (Etisalat):Russia (Magafon): HUAWEI E392 4G Surfstick provides two connections for two separate external ... is advisable to use an external antenna for E392.HUAWEI E392 Specifications:* 4G Frequency: LTE 800/900/1800/2100/2600 ...