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

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  1. IoT Control Board C Language Industrial Control Board Network Controller STM32 Development Smart Relay Module
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    IoT Control Board C Language Industrial Control Bo... SKU : UHFAT10-TW
    Special Price US$168.37 Regular Price US$187.08
  2. 304 stainless steel hasp industrial equipment buckle Heat insulation barrel lock tool
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    304 stainless steel hasp industrial equipment buck... SKU : 32653669764
    Special Price US$0.80 Regular Price US$0.89
  3. 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
  4. Ultra-high frequency antenna Unmanned supermarket cash register antenna New retail UHF antenna Close reading and writing inventory
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    Ultra-high frequency antenna Unmanned supermarket ... SKU : UHFAT04-TW
    Special Price US$60.96 Regular Price US$67.74
  5. 125K glue-filled waterproof access card reading antenna coil Square RF induction coil ultra-thin and compact
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    125K glue-filled waterproof access card reading an... SKU : UHFAT16-TW
    Special Price US$1.74 Regular Price US$1.94
  6. Siyuanchuang customized universal ID card glue card induction attendance glue card ID access control smart card manufacturer direct sales
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    Siyuanchuang customized universal ID card glue car... SKU : tag053-TW
    Special Price US$0.26 Regular Price US$0.29
  7. NFC patrol inspection anti-metal label NTAG213/216 chip high frequency industrial code carrier 14443A protocol
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    NFC patrol inspection anti-metal label NTAG213/216... SKU : RFID-TAGS-NFC-NTAG213
    Special Price US$0.94 Regular Price US$1.05
  8. RFID anti-metal electronic tag ultra-high frequency passive chip PCB industrial high temperature resistant long-distance radio frequency tag
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    RFID anti-metal electronic tag ultra-high frequenc... SKU : RFID-tags-UHF-P5
    Special Price US$0.76 Regular Price US$0.84
  9. New version of RFID credit card anti-side recording card case-NFC blocks wireless signals, anti-scanning and demagnetization credit card test, anti-theft brushing, anti-theft bank card protection chip induction card male (10 photos)
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    New version of RFID credit card anti-side recordin... SKU : 0RFIDSHIELD
    US$0.00
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. RFID 860-960MHZ 18000 6BC Ultra High Frequency Tire Special Tag
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    RFID 860-960MHZ 18000 6BC Ultra High Frequency Tir... SKU : UHFTYRE-TW
    Special Price US$0.99 Regular Price US$1.10
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. Micro Ultra High Frequency RFID Reader and Writer Reader Module Bluetooth Electronic Tag Long Distance Access Control 915M Module
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    Micro Ultra High Frequency RFID Reader and Writer ... SKU : KLM9X0
    Special Price US$18.44 Regular Price US$20.49
  30. Pet chips/dog chips/horse chips/animal chips/implantable glass tube chips Dog chips (common for each association)
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    Pet chips/dog chips/horse chips/animal chips/impla... SKU : rfid_animal
    Special Price US$18.44 Regular Price US$20.49
  31. 9005hid Ultra High Frequency Desktop Card Issuer Drive-free Electronic Tag 915m Card Writer
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    9005hid Ultra High Frequency Desktop Card Issuer D... SKU : HJ9005HID
    Special Price US$43.55 Regular Price US$48.38
  32. 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
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