Promwad l Electronics Design | www.promwad.com | [email protected] © 2020 1 Unit for communication and navigation on the railway Customer State-owned railway company. Task The customer addressed to us for the development of a universal communication and navigation unit for installation in the train engineer’s cab. The device receives the coordinates from the satellite navigation systems and transmits the information about the location of the train to the customer's server. Functional requirements for the product: 1. Receiving the coordinates from the satellites of the GPS and GLONASS systems with 1-meter accuracy. 2. Ability to operate with two SIM cards in roaming. 3. Data input on the energy resources condition with the built-in keyboard Communication

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