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The wireless concentrator uploads data through the upstream wide area network (Ethernet/2G/3G/4G), and collects data from node devices through local wireless (Zigbee/Lora/433 (470), etc.) or RS485 communication in the downstream. The wireless concentrator communication protocol adopts transparent transmission. It can simultaneously use three different downlink protocols and is suitable for various communication protocol scenarios, such as MODBUS-RTU, DL/T645-2007, CJ/T188-2004.
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