RS485 Master Slave Network Transceiver Wireless Repeater FSK 433M 868M Uhf NEW

2: 433M and 868M optional. 868M Sucker Antenna 433M Sucker Antenna 1 433M multi-function wireless RS485 transceiver/868M multi-function wireless RS485 transceiver/433M suction cup antenna/868M suction cup antenna (optional).

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