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R20DC USB RFID Card Reader Dual Freq 13.56Mhz 125Khz IC ID Card Reader

R20XC USB RFID Card Reader 13.56Mhz Proximity IC Smart Card Reader

WSN-31 Module Si4432 CC1101 Wireless 433Mhz Transceiver Upgrade HC6512

125Khz RFID Reader Module RDM6300 Access Control System for Arduinoo

Relay Module Remote Control 2ch 12V Wireless Switch RF 433Mhz 315Mhz

Bluetooth Relay Module 8 Channel 5V 12V 24V Control Switch Bluetooth

Bluetooth Relay Module 1 Channel 5V 12V Control Switch via Bluetooth

Heltec Lora SX1278 433Mhz + Wifi ESP32 + Bluetooth + OLED LCD Display

Chip Bluetooth HC 06 Serial UART tanpa Base Board for Development

HC05 HC 05 Serial Bluetooth Module 6 pin with Anti Reverse