high sensitivity Dual RX&TX eas electronic rf PCB board with 1.3 m to 2.0 m detecting distances OP-B001 Image

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  • high sensitivity Dual RX&TX eas electronic rf PCB board with 1.3 m to 2.0 m detecting distances OP-B001 Image
  • high sensitivity Dual RX&TX eas electronic rf PCB board with 1.3 m to 2.0 m detecting distances OP-B001 Image