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The Etross 4G LTE Gateway ETS16-512 is a highdensity SMS gateway designed for largescale bulk SMS applications. It features 16 concurrent ports and supports up to 512 SIM cards (32 SIMs per port) with advanced SIM rotation to prevent carrier blocking. Key capabili

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The GSM Gateway ETS32x16 is a carriergrade VoIP/GSM gateway designed for call centers and telecom operators. It offers 32 ports and supports up to 512 SIM cards (16 SIMs per port) with SIM rotation, BTS (base station) rotation, and auto IMEI change to avoid detection. The gateway includes SBO (bandwidth optimization) and VOS encryption to protect against IP port blocking. It operates on quadb

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The 4G LTE FWT 8848 is a fixed wireless terminal that converts 4G/3G/GSM networks into traditional telephone service. It features two FXS (RJ11) ports, allowing connection of analog phones, PBX systems, alarm panels, or billing meters. The device supports a single SIM and provides voice and SMS capabilities over 4G Cat4, 3G WCDMA, and GSM networks. It includes polarity reversal, DTMF dialing,