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...module rs485 modbus, relay output wireless 3g/4g RTU with digital input & sim slot & ethernet for oil & gas Support 3G WCDMA /4G LTE Version (Skype: lisali1220, WhatsApp: 0086 13652426178) The CWT5018 GPRS E...
...,5.5,2,1 Mbps * Modulation: DSSS and CCK; * RF Operate Frequency: 2.4-2.497 GHz; * Antenna Options: Chip antenna and U.FL connector for external antenna; * ......