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27,416 Wholesale Wholesale Serial Port Module Products
WiFi DTU with Serial Port RS485 or Ttl Industrial Model
US $ 19-21/pcs
1 pcs
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Non-Invasive Blood Pressure NIBP Module
US $ 25-99/Piece
1 Piece
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13.56MHz ISO15693 Protocol RFID Module with USB Interface
US $ 7.9-32/Piece
1 Piece
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H 3 C Msr 3600 Router Interface The Analog Modem Module Hmim-6am
US $ 339-999/piece
1 piece
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Dual Frequency RFID Reader Board Lf Hf Reader Module Ttl Wg26/34 USB
US $ 4.5-35/Piece
1 Piece
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Em/Tk4100 and F08 Chip RFID Integrated Antenna Module with 5V Power Supply
US $ 4.5-26/Piece
1 Piece
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Free Sdk&Demo 13.56MHz RFID Reader Module with RS232 5V Power Supply
US $ 7.9-32/Piece
1 Piece
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125kHz Embedded RFID Module for Tablet 5V Ttl Interface
US $ 5-26/Piece
1 Piece
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Support Android System Development 125kHz 13.56MHz RFID PCB Board RFID Module
US $ 4.5-26/Piece
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125kHz 13.56MHz RFID Card Reader Module with Ttl 5V
US $ 4.5-26/Piece
1 Piece
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13.56MHz Hf RFID Card Reader Writer Module with USB Interface
US $ 7.9-32/Piece
1 Piece
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13.56MHz RFID RC522 Reader Module 3.3V Support Ultralight Chip 7 Byte Uid
US $ 7.9-32/Piece
1 Piece
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ODM 125kHz 13.56MHz Em4100 Felica RFID Reader Module with Ttl
US $ 4.5-38/Piece
1 Piece
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Low Consumption 125 kHz Reader Module RFID with External Antenna
US $ 5-26/Piece
1 Piece
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125kHz 13.56kHz RFID Reader Module with Wiegand, Ttl, Uart Data Interface
US $ 5-26/Piece
1 Piece
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13.56MHz RFID Module for Turnstile 3.3V RS232 Communication
US $ 7.9-32/Piece
1 Piece
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Contactless 13.56MHz Mobile Serial NFC RFID Reader Module
US $ 5-26/Piece
1 Piece
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DESFire EV1/EV2 13.56MHz RFID Reader Module with USB Interface Support Read Write
US $ 7.9-65/Piece
1 Piece
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13.56MHz NFC Card Reader Module for Handheld Bus Ticketing Machine
US $ 7.9-32/Piece
1 Piece
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125kHz RFID Reader Module Uart Output Access Control System for Arduino
US $ 5-26/Piece
1 Piece
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13.56MHz NFC RFID Reader Module IC Card Reader Module USB RS232 Output
US $ 7.9-32/Piece
1 Piece
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Manufacturer 125kHz 13.56MHz I. Code Sli RFID Reader Module Support Ttl Interface
US $ 4.5-38/Piece
1 Piece
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Tk4100 Mf S50 S70 Dual Freuquency RFID Reader Module with Ttl Interface
US $ 4.5-26/Piece
1 Piece
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125kHz RFID Reader Module Support Em Card Compatible Read Only
US $ 5-26/Piece
1 Piece
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NFC Reader Module Android Long Range RFID Reader Module
US $ 7.9-32/Piece
1 Piece
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ISO14443A/B Protocol Wg26 125kHz & 13.56MHz RFID Reader Module
US $ 4.5-26/Piece
1 Piece
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Original Manufacturer 125kHz RFID Module 5V Power Supply
US $ 5-26/Piece
1 Piece
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125kHz RFID Tag Em4102 Chip Reader Module Ttl RS485 RS232
US $ 5-26/Piece
1 Piece
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ISO15693 Chip 13.56MHz RFID Module Reader with USB
US $ 7.9-32/Piece
1 Piece
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Customized Mfrc632 Chip 13.56MHz RFID Module Support ISO14443A/B
US $ 7.9-65/Piece
1 Piece
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Entry System Use Passive Range Hf Lf RFID Reader Module
US $ 7.9-32/Piece
1 Piece
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