BT CEL / BT ETH / BT USB / BT WIFI / BT MODBUS - modems (RS485 interface) for EMEC controllers. Indoor use. Place them near an Ethernet access point or in the GSM or WIFI coverage area. BT CEL-2IN: GSM modem. Place it in the GSM coverage area.
Documentation Modems for EMEC controllers (RS485 interface) BT CEL / BT ETH / BT USB / BT WIFI / BT MODBUS
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