По научному - радиомодем называются. Но чтобы он “завелся” - нужен комп. Микроконтроллер. Который его сконфигурирует и будет заставлять принимать-отсылать байтики.
10А. Релюгу надо будет каскадировать более мощной, единственное что.
Напряжение питания там 48 в,при 650 вт мощности токи будут там где то 13.5 А, релюшка или полевик на 20А в цеп питания и все будет работать )))
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