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Search results for: 'Find a number of nonduplicate rows in pandas'123'

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  1. Free shipping UHF RFID reader module USB interface with uart UHF Passive 6C UHF reader module SDK+ME
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    Free shipping UHF RFID reader module USB interface... SKU : 32858002722
    Special Price US$85.56 Regular Price US$95.07
  2. 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$163.34 Regular Price US$181.49
  3. Public Place Hospital Entrance Gate Turnstile Linux Facial Recognition System
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    Public Place Hospital Entrance Gate Turnstile Linu... SKU : WCAM101119340603
    Special Price US$163.34 Regular Price US$181.49
  4. Micro RFID Electronic Card Reader USB Port Supports OTG UHF Android Phone Pocket
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    Micro RFID Electronic Card Reader USB Port Support... SKU : HC-PHR
    Special Price US$50.80 Regular Price US$56.45
  5. RFID UHF EPC Handheld Portable Reader Keypad GSM 3G WinCE R2000 Module
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    RFID UHF EPC Handheld Portable Reader Keypad GSM 3... SKU : HY186
    Special Price US$797.27 Regular Price US$885.85
  6. 2018 New English verison N2061SA UV RFID Vector Impedance Antenna Analyzer 1.1MHz-1.3GHz (Upgraded v
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    2018 New English verison N2061SA UV RFID Vector Im... SKU : RFANALYZER
    Special Price US$259.27 Regular Price US$288.07
  7. High Accuracy Access Control NFC Card Reader Facial Recognition System
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    High Accuracy Access Control NFC Card Reader Facia... SKU : WCAM101119340628
    Special Price US$250.63 Regular Price US$278.48
  8. Waterproof NFC Tags Lable Ntag213 13.56mhz RFID Smart Card For All NFC Enabled Phone NFC Tags Sticke
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    Waterproof NFC Tags Lable Ntag213 13.56mhz RFID Sm... SKU : 32971403955
    Special Price US$0.29 Regular Price US$0.32
    Out of stock
  9. 10pcs/lot NFC Tags Stickers Ntag213 13.56mhz Label Rfid Tag Card Adhesive Key Tags llaveros
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    10pcs/lot NFC Tags Stickers Ntag213 13.56mhz Label... SKU : 32795718006
    Special Price US$1.89 Regular Price US$2.10
    Out of stock
  10. 6pcs/lot NFC Tags Stickers Ntag213 13.56mhz Label Rfid Tag Card Adhesive Waterproof for Phones Samsu
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    6pcs/lot NFC Tags Stickers Ntag213 13.56mhz Label ... SKU : 32790227494
    Special Price US$1.16 Regular Price US$1.29
    Out of stock
  11. Waterproof 1PCS Ntag215 NFC Tags Sticker Phone Available Adhesive Labels RFID Tag 25mm Patrol attend
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    Waterproof 1PCS Ntag215 NFC Tags Sticker Phone Ava... SKU : 32959171541
    Special Price US$0.42 Regular Price US$0.46
    Out of stock
  12. 125 KHZ EM4100 RFID Card Read Module RDM630 UART Compatible to Arduino
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    125 KHZ EM4100 RFID Card Read Module RDM630 UART C... SKU : RDM6300
    Special Price US$7.26 Regular Price US$8.06 As low as US$0.36
  13. RFID UHF Full Range 860-960 MHz Mid-range 12M Reader Writer RS232RS485Wiegand EPC 96-bit 18000 Multi-tags
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    RFID UHF Full Range 860-960 MHz Mid-range 12M Read... SKU : HY102
    Special Price US$145.15 Regular Price US$161.28
  14. RFID UHF 860-960 MHz Mid-range 5M Reader Writer EPC 96-bit RS232/Wiegand/TCPIP/WIFI
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    RFID UHF 860-960 MHz Mid-range 5M Reader Writer EP... SKU : HY101
    Special Price US$79.84 Regular Price US$88.71
  15. Custom Production RFID Card +Printing Graphics Logo Standard Size 125KHz/13.56 MHz
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    Custom Production RFID Card +Printing Graphics Log... SKU : RFIDCUSTOMPRINT
    Special Price US$0.15 Regular Price US$0.16 As low as US$0.02
  16. Portable Bluetooth+USB UHF RFID reader card reader card issuer Desktop R500 program Long Range 2M
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    Portable Bluetooth+USB UHF RFID reader card reader... SKU : MZUHFBTD
    Special Price US$116.12 Regular Price US$129.02
    Out of stock
  17. LPSECURITY M2M GPRS GSM Network Modems RS485 Port For IOT Controller Remote Monitoring
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    LPSECURITY M2M GPRS GSM Network Modems RS485 Port ... SKU : USR-GPRS232-734
    Special Price US$37.74 Regular Price US$41.93
  18. TCP/IP Color Screen Biometric Fingerprint And RFID Card Reader Door Access Control System Standalone
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    TCP/IP Color Screen Biometric Fingerprint And RFID... SKU : 32711738315
    Special Price US$29.46 Regular Price US$32.74
    Out of stock
  19. 868MHz antenna omni fiberglass antenna 10dBi outdoor roof glide monitor repeater UHF antenna RFID Lo
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    868MHz antenna omni fiberglass antenna 10dBi outdo... SKU : 32694420721
    Special Price US$43.09 Regular Price US$47.88
  20. 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$0.80 Regular Price US$0.89
  21. RFID 868mhz helical antenna 14dBi Circular Polarization outdoor directional lorawan antenna Best qua
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    RFID 868mhz helical antenna 14dBi Circular Polariz... SKU : 32829800440
    Special Price US$82.10 Regular Price US$91.23
  22. RFID UHF Gain 8dBi Antenna 865-867/902-928 MHz External Antenna 5M N-Female
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    RFID UHF Gain 8dBi Antenna 865-867/902-928 MHz Ext... SKU : HYANT8DB
    Special Price US$26.13 Regular Price US$29.03
  23. Best Price Custom Jeans and Clothing RFID Paper UHF Hang Tags
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    Best Price Custom Jeans and Clothing RFID Paper UH... SKU : JYL
    Special Price US$0.08 Regular Price US$0.09
  24. RFID UHF EPC 4 CH Reader Station External Antenna TCP/IP Entry Level Core
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    RFID UHF EPC 4 CH Reader Station External Antenna ... SKU : HY401
    Special Price US$427.80 Regular Price US$475.34
    Out of stock
  25. 5dBi PCB UHF RFID 902-928M Antenna 5cmX5cm
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    5dBi PCB UHF RFID 902-928M Antenna 5cmX5cm SKU : 32810774165
    Special Price US$8.12 Regular Price US$9.03
  26. 1pc USB ACR122U NFC RFID Smart Card Reader Writer For all 4 types of NFC (ISO/IEC18092) Tags + 5pcs
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    1pc USB ACR122U NFC RFID Smart Card Reader Writer ... SKU : ACR122U-A9
    Special Price US$21.77 Regular Price US$24.19
  27. R6 UHF RFID Sled Reader
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    R6 UHF RFID Sled Reader SKU : R6 UHF RFID Sled Reader
    Special Price US$558.84 Regular Price US$620.93
  28. Bluetooth Reader R58 B/ R58 C/ R58 D
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    Bluetooth Reader R58 B/ R58 C/ R58 D SKU : HX R58 B/ R58 D/ R58 C
    Special Price US$54.43 Regular Price US$60.48
  29. RFID UHF 860-960 MHz EPC Reader Writer Portable Desktop Bluetooth
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    RFID UHF 860-960 MHz EPC Reader Writer Portable De... SKU : HY9816UBT
    Special Price US$94.35 Regular Price US$104.83 As low as US$18.00
  30. SMA connector 7x7cm passive 900mhz epc gen2 uhf reader antenna middle 3dbi micros Ceramics uhf rfid tag Antenna
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    SMA connector 7x7cm passive 900mhz epc gen2 uhf re... SKU : ZKANTC7070
    Special Price US$14.52 Regular Price US$16.13
  31. RFID HF washable clothes security rfid tags
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    RFID HF washable clothes security rfid tags SKU : ApparelLabel-2
    Special Price US$0.43 Regular Price US$0.48
  32. UHF Durable High Temperature On Metal Tag High Performance Reading Range
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    UHF Durable High Temperature On Metal Tag High Per... SKU : ABSMetalTag
    Special Price US$2.90 Regular Price US$3.22
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