This is for a set of 2 modems. These modems were loaded with custom software for traffic lights...they may need to be software changes depending on applications. The Data-linc Ethernet Radio Modem SRM6220 902-928 is a high-quality communication device designed for industrial automation and motion control systems. This modems, made by Data-linc, a trusted brand in the industry, is manufactured in the United States and offers reliable Ethernet connectivity for PLCs and HMI systems. Its specific model number, SRM6220 902-928, ensures compatibility and performance for various industrial applications.

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