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Search results for: 'Find a number of nonduplicate rows in pandas'

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  1. RFID 134 2KHz + 125KHz Low Cost Reader Writer for EM4305 ISO1178485 Animal Tag Standard +Software FREE
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    RFID 134 2KHz + 125KHz Low Cost Reader Writer for ... SKU : GZ1342D
    Special Price US$43.20 Regular Price US$48.00
  2. High Accuracy 140dB WDR Water-Proof Nigth Version Vehicle Plates Recogntion Camera
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    High Accuracy 140dB WDR Water-Proof Nigth Version ... SKU : WCAM101119340590
    Special Price US$337.06 Regular Price US$374.51
  3. 10pcs RFID 1K Sticker 41X26mm rectangular NFC tag work for android phone
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    10pcs RFID 1K Sticker 41X26mm rectangular NFC tag ... SKU : 1037472935
    Special Price US$7.36 Regular Price US$8.18
    Out of stock
  4. Anti-metal NFC phone tag 40x40mm 13.56MHZ stick on metal tag
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    Anti-metal NFC phone tag 40x40mm 13.56MHZ stick on... SKU : 1610013199
    Special Price US$8.52 Regular Price US$9.47
    Out of stock
  5. 134.2khz ISO11784 ISO11785 rfid ear tag for animal cattle sheep pig management
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    134.2khz ISO11784 ISO11785 rfid ear tag for animal... SKU : 32681572703
    Special Price US$0.51 Regular Price US$0.56
    Out of stock
  6. 1000piece/roll NFC Sticker/Adhesive Label/Tag RFID IC 13.56MHz ISO14443A 1k S50 FM1108
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    1000piece/roll NFC Sticker/Adhesive Label/Tag RFID... SKU : 32740572895
    Special Price US$259.27 Regular Price US$288.08
    Out of stock
  7. 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$0.12 Regular Price US$0.13
  8. ISO11785/84 FDX-B Pet Microchip Scanner, Animal RFID Tag Reader dog reader Low Frequency Handheld
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    ISO11785/84 FDX-B Pet Microchip Scanner, Animal RF... SKU : RFIDFDXR
    Special Price US$29.03 Regular Price US$32.25
    Out of stock
  9. 10PCS Ntag215 NFC Tags Sticker Phone Available Adhesive Labels RFID Tag 25mm
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    10PCS Ntag215 NFC Tags Sticker Phone Available Adh... SKU : 32955649994
    Special Price US$4.66 Regular Price US$5.18
  10. Portable LCD Display Animal Microchip Scanner Tag Barcode Scanner ISO11784/11785 134.2KHz FDX-B Pet
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    Portable LCD Display Animal Microchip Scanner Tag ... SKU : 32972794099
    Special Price US$32.66 Regular Price US$36.29
    Out of stock
  11. Jakcom Smart Ring Wear Convenient R3 R3F Timer2 (MJ02) Black Color Magic Finger NFC Ring For Android
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    Jakcom Smart Ring Wear Convenient R3 R3F Timer2 (M... SKU : 32832918615
    Special Price US$14.52 Regular Price US$16.13
  12. 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$12.96 Regular Price US$14.40
  13. 5 dBI Long Stip UHF RFID Reader Antenna with SMA Conntector
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    5 dBI Long Stip UHF RFID Reader Antenna with SMA ... SKU : JT682
    Special Price US$50.13 Regular Price US$55.70
  14. 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$127.04 Regular Price US$141.15
  15. RFID UHF Circular Polarized Flat Plate Plane Antenna 5dBi 8dBi
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    RFID UHF Circular Polarized Flat Plate Plane Anten... SKU : UHF5DBFLAT
    Special Price US$68.06 Regular Price US$75.62
    Out of stock
  16. RFID UHF EPC Single Channel Reader Station External Antenna RS232
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    RFID UHF EPC Single Channel Reader Station Externa... SKU : HY103S
    Special Price US$116.67 Regular Price US$129.64
  17. RFID 134.2 KHz 11784/11785 FDX ReaderPortable Bluetooth for Poultry Animal Pet Management
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    RFID 134.2 KHz 11784/11785 FDX ReaderPortable Blue... SKU : ZF11784BT
    Special Price US$75.48 Regular Price US$83.87
  18. RFID UHF Desktop Reader Writer Server Multi-Tag RS232 EPC 96-bit 30dBm External Antenna
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    RFID UHF Desktop Reader Writer Server Multi-Tag RS... SKU : HY107S1
    Special Price US$72.57 Regular Price US$80.64
  19. RFID UHF EPC 96-bit UHF dual-channel dual antenna reader RS232 + RS485 + Wiegand + SDK # HY
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    RFID UHF EPC 96-bit UHF dual-channel dual antenna ... SKU : HY201
    Special Price US$261.27 Regular Price US$290.30
  20. Tag RFID UHF UHF Vehicle Anti-Thankrupt Electronic Blade Edge Fragile Back-Back Long Distance
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    Tag RFID UHF UHF Vehicle Anti-Thankrupt Electronic... SKU : RFID8-TW
    Special Price US$0.42 Regular Price US$0.47
  21. As shown in the figure, the label is low frequency high frequency ultra high frequency RFID electronic ABS keychain card is professional manufacturer direct sales (100 entry)
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    As shown in the figure, the label is low frequency... SKU : DJ125RWKEYRING-Tw
    Special Price US$0.11 Regular Price US$0.12
  22. RFID bar antenna ultra-high frequency 5dBi line polarized antenna RFID channel reader and writer
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    RFID bar antenna ultra-high frequency 5dBi line po... SKU : UHFAT15-TW
    Special Price US$132.53 Regular Price US$147.25
  23. T5557 thick card/T5557 card/T55567 thick card/T5577 thick card/RFID read and write card/rewriteable card
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    T5557 thick card/T5557 card/T55567 thick card/T557... SKU : tag046-1-TW
    Special Price US$0.26 Regular Price US$0.29
  24. RFID+EAS Clothing Tags Clothing Auxiliary Materials Weaving Anti-theft Selling Clothing Safe Selling Washing Clothing Clothing
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    RFID+EAS Clothing Tags Clothing Auxiliary Material... SKU : tag038-TW
    Special Price US$0.23 Regular Price US$0.25
  25. New ultra-thin mobile phone access card sticker ic uid T5577id card repeatedly rewritten mobile phone elevator attendance card (10 entry)
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    New ultra-thin mobile phone access card sticker ic... SKU : ICID1
    Special Price US$3.89 Regular Price US$4.32
  26. New ultra-thin mobile phone access card sticker ic uid T5577id card repeatedly rewritten mobile phone elevator attendance card
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    New ultra-thin mobile phone access card sticker ic... SKU : RFIDNFCCOB2
    Special Price US$0.55 Regular Price US$0.61
  27. Pigeon foot ring custom pigeon foot ring custom made private foot ring opening identification ring aluminum ring pigeon supplies
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    Pigeon foot ring custom pigeon foot ring custom ma... SKU : dave ring
    Special Price US$1.74 Regular Price US$1.94
  28. 25pcs/lot NFC s50 anti-metal tag mobile payment tag Mobile IC anti-metal tag nfc rfid label
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    25pcs/lot NFC s50 anti-metal tag mobile payment ta... SKU : 32378351973
    Special Price US$10.16 Regular Price US$11.29
    Out of stock
  29. USB RFID Reader Card Reader Mifare 13.56MHz Youyou Card Gives IC Card
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    USB RFID Reader Card Reader Mifare 13.56MHz Youyou... SKU : USB_RFID_Reader
    Special Price US$6.53 Regular Price US$7.26
  30. JCOP card J2A040 chip JAVA card compatible with JCOP21-36K T=0 or T=1
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    JCOP card J2A040 chip JAVA card compatible with JC... SKU : J2A040
    Special Price US$0.44 Regular Price US$0.48
  31. 50 Pcs/lot EM4305 Copy Rewritable Writable Rewrite EM ID keyfobs RFID Tag Key Ring Card 125KHZ Proxi
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    50 Pcs/lot EM4305 Copy Rewritable Writable Rewrite... SKU : 32959146983
    Special Price US$18.14 Regular Price US$20.16
    Out of stock
  32. 50pcs IC+ID UID Rewritable Composite Key Tags Keyfob Dual Chip Frequency RFID 125KHZ T5577 EM4305
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    50pcs IC+ID UID Rewritable Composite Key Tags Keyf... SKU : 32793735618
    Special Price US$10.30 Regular Price US$11.45
    Out of stock
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