MultiTech SocketModem Cell LTE Cat 1 USB with Fallback AT&T Single Pack Rev 4

MultiTech SocketModem Cell LTE Cat 1 USB interface with Fallback AT&T Single Pack. Rev 4. MPN: MTSMC-LAT3-U.R4-SP
*This part number contains an updated revision of the printed circuit board with alternate components that may be more readily available. The modern firmware and critical components remain unchanged. Original part number: MTSMC-LAT3-U.R2A-SP (1MTLU2AS)