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Search results for: 'NULL check a double pointer c'

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  1. NFC tag driver license printable tag double side PET overlay
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    NFC tag driver license printable tag double side P... SKU : NFCLICENSE
    Special Price US$1.61 Regular Price US$1.79
  2. RFID Check On Destroy Removal NFC security Seal TAG
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    RFID Check On Destroy Removal NFC security Seal TA... SKU : LockerSealSticker-1
    Special Price US$0.50 Regular Price US$0.56
  3. Yanpodo 10-100cm near field desktop uhf rfid reader writer USB keyboard output for self-service check out counter inventory
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    Yanpodo 10-100cm near field desktop uhf rfid reade... SKU : Yanpodo_10-100cm_near_field
    Special Price US$5,841.90 Regular Price US$6,491.00
  4. RFID UHF PCB ANTI-METAL TAG
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    RFID UHF PCB ANTI-METAL TAG SKU : RFID UHF PCB ANTI-METAL TAG
    Special Price US$0.93 Regular Price US$1.03
  5. NEW RFID Active Tag 2.4G Long Range Key Ring Type Built-in Battery Rugged Waterproof
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    NEW RFID Active Tag 2.4G Long Range Key Ring Type ... SKU : KL2704C
    Special Price US$5.04 Regular Price US$5.60
  6. Free shipping 100pcs black City of optical fiber / sewer 125KHZ RFID Manage tags /EM4305 chips
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    Free shipping 100pcs black City of optical fiber /... SKU : 32652761050
    Special Price US$201.60 Regular Price US$224.00
    Out of stock
  7. NFC Lock Smart Nail Sticker Decal Christmas 3D Design for N2F Private Screen Protector N2M Simulate
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    NFC Lock Smart Nail Sticker Decal Christmas 3D Des... SKU : 32830830413
    Special Price US$3.69 Regular Price US$4.10
  8. Serial Port RS232 RS485 RS422 To Ethernet Converter Server IOT Device USR-TCP232-306
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    Serial Port RS232 RS485 RS422 To Ethernet Converte... SKU : USR-TCP232-306
    Special Price US$17.14 Regular Price US$19.04
  9. RFID UHF 860-960MHz Intelligent Master Multiplexer Splitter 8 Channel Antenna
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    RFID UHF 860-960MHz Intelligent Master Multiplexer... SKU : HY909M
    Special Price US$292.58 Regular Price US$325.09
  10. Linux 5 Inch Wireless Wired Time Attendance Card Reader 13.56mnz NFC RFID Door Access Control System Face Reader Free API/Sdk
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    Linux 5 Inch Wireless Wired Time Attendance Card R... SKU : WCAM101119340604
    Special Price US$115.03 Regular Price US$127.81
  11. WiFi 4G Qr IC & ID Card Reader Facial Recognition Access Control Terminal with Free Time Attendance Software
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    WiFi 4G Qr IC & ID Card Reader Facial Recognit... SKU : WCAM101119340602
    Special Price US$189.05 Regular Price US$210.06
  12. 50pcs RFID key fobs 13.56MHz proximity ABS key ic tags Token Ring nfc 1k china Fudan S50 1K chip
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    50pcs RFID key fobs 13.56MHz proximity ABS key ic ... SKU : 32234978694
    Special Price US$4.20 Regular Price US$4.67
    Out of stock
  13. 500pcs RFID key fobs 13.56MHz proximity ABS key ic tags Token Ring nfc 1k china Fudan S50 1K chip
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    500pcs RFID key fobs 13.56MHz proximity ABS key ic... SKU : 32235376319
    Special Price US$43.68 Regular Price US$48.53
    Out of stock
  14. 10pcs RFID Key Fobs 13.56MHz China Fudan 1K S50 Chip IC Tags Token Ring NFC Proximity ABS Key
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    10pcs RFID Key Fobs 13.56MHz China Fudan 1K S50 Ch... SKU : 32850311844
    Special Price US$2.52 Regular Price US$2.80
    Out of stock
  15. high performance 13.56MHz HF RFID ISO15693 organic glass pad antenna used for access control
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    high performance 13.56MHz HF RFID ISO15693 organic... SKU : CFRA1001
    Special Price US$147.03 Regular Price US$163.37
  16. EPC GEN2 uhf rfid writer module with TTL Interface Read range more than 15m connect with 12dBi anten
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    EPC GEN2 uhf rfid writer module with TTL Interface... SKU : CFMU903
    Special Price US$87.02 Regular Price US$96.69
  17. Industrial 4G LTE Modem USR-G781 Serial Port RS232 RS485 To Ethernet Server Converter IOT Device
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    Industrial 4G LTE Modem USR-G781 Serial Port RS232... SKU : USR-G781
    Special Price US$78.62 Regular Price US$87.36
  18. CHAFON UHF 5dbi rfid antenna 865-868mhz / 902-928mhz passive circular polarization with SMA connecto
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    CHAFON UHF 5dbi rfid antenna 865-868mhz / 902-928m... SKU : CFANT5
    Special Price US$45.03 Regular Price US$50.03
  19. 902-928 MHz circular 7dBi gain rfid uhf reader antenna used for parking lots management
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    902-928 MHz circular 7dBi gain rfid uhf reader ant... SKU : CFANT7
    Special Price US$26.89 Regular Price US$29.88
  20. 5.5dBi 902~928MHz circular uhf rfid chip and antenna with N-female connector for parking lots
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    5.5dBi 902~928MHz circular uhf rfid chip and anten... SKU : CFRA5003
    Special Price US$20.00 Regular Price US$22.22
  21. CHAFON RFID UHF 8dBi RFID Circular polarization Antenna 865~868Mhz/ 902~928Mhz for sports timing sys
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    CHAFON RFID UHF 8dBi RFID Circular polarization An... SKU : CFRA8001
    Special Price US$26.51 Regular Price US$29.45
  22. uhf rfid module R2000 chip smart card read module USB 2.0 RS232 interface with four antenna ports fo
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    uhf rfid module R2000 chip smart card read module ... SKU : CFR2000
    Special Price US$276.08 Regular Price US$306.75
  23. Embedded rfid radio frequency 13.56MHZ/125khz/dual frequency IC card ID card reader module nfc card reader
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    Embedded rfid radio frequency 13.56MHZ/125khz/dual... SKU : Embedded_reader
    Special Price US$15.30 Regular Price US$17.00
  24. RFID LF 125KHz/13.56MHz EM4100/NFC Mini Reader for Smart Phone Type-C
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    RFID LF 125KHz/13.56MHz EM4100/NFC Mini Reader for... SKU : SYCR65
    Special Price US$13.44 Regular Price US$14.93
  25. 5-6 meters Long range EPC GEN2 R2000 uhf handheld rfid reader 4G Portable Bluetooth Warehouse invent
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    5-6 meters Long range EPC GEN2 R2000 uhf handheld ... SKU : 33040015780
    Special Price US$772.80 Regular Price US$858.67
  26. Jakcom R3F Smart Ring For NFC Electronics SmartPhone Accessories Quick Program Lock Black Technology
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    Jakcom R3F Smart Ring For NFC Electronics SmartPho... SKU : 32847267564
    Special Price US$16.98 Regular Price US$18.87
  27. RFID UHF 860-960 MHz Intelligent Slave Multiplexer Splitter for 8 Antenna
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    RFID UHF 860-960 MHz Intelligent Slave Multiplexer... SKU : ZK-RFID909-S
    Special Price US$123.79 Regular Price US$137.54
  28. Hiseeu 2MP Surveillance POE IP Camera Audio H.265 1080P Outdoor Night Vision Waterproof Security CCTV Camera ONVIF for POE NVR
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    Hiseeu 2MP Surveillance POE IP Camera Audio H.265 ... SKU : HISB-2M
    Special Price US$19.32 Regular Price US$21.47
  29. Keyes RC522 Card Read Antenna RFID Reader IC Card for Arduino
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    Keyes RC522 Card Read Antenna RFID Reader IC Card ... SKU : RC522
    Special Price US$15.00 Regular Price US$16.67
  30. 2.4G Student electronic tag 0-100 meters active card Read only card High frequency
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    2.4G Student electronic tag 0-100 meters active ca... SKU : YKD-PA08
    Special Price US$9.80 Regular Price US$10.89 As low as US$4.90
  31. 100pcs Ntag213 NFC Tags 13.56MHz ISO14443A NFC Sticker Ntag 213 All NFC Phone Available RFID NFC tag
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    100pcs Ntag213 NFC Tags 13.56MHz ISO14443A NFC Sti... SKU : HFLABELNTAG
    Special Price US$0.14 Regular Price US$0.15
  32. USR-MB706 RS232 RS485 To 4G LTE Cat M1 Cat-NB2 EGPRS Serial Converter With GNSS DTU IoT Device Support Modbus
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    USR-MB706 RS232 RS485 To 4G LTE Cat M1 Cat-NB2 EGP... SKU : USR-MB706
    Special Price US$57.51 Regular Price US$63.90
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