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

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  1. 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
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  2. RFID UHF 4 Port Reader Station long range passive Impinj R2000 EPC 96-bit 860-960mhz TCP/IP+RS232
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    RFID UHF 4 Port Reader Station long range passive ... SKU : HY406
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    NFC Tags Sticker Ntag216 big capacity 888bytes 13.... SKU : 32627346141
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  5. Free shipping 100pcs 125KHZ EM4305 / T5577 RFID laundry tags, RFID high temperature electronic
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    Near Field/Short Range UHF RFID Antenna -15dBi 31x... SKU : CYAN02
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  10. 4G LTE Industrial Cellular VPN Router USR-G809 IOT Device 4 LAN and 1 WAN Ethernet Port
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  11. Industrial 4G Cellular Modbus RTU Master for PLC Smart Meters Remote Data Acquisition MQTT IOT Gateway
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    School System NFC Metal Sticker Safety Inspection ... SKU : PrintableMetalPaperLabel-1
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  15. Industrial 4G LTE Modem USR-G781 Serial Port RS232 RS485 To Ethernet Server Converter IOT Device
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  16. Industrial 4G LTE Router EU AU Frequency USR-G807 IoT Device Serial Port RS485 LAN To WiFi Converter Support Modbus RTU toTCP
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  17. 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
  18. 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
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  20. Antenna integrated RFID reading and writing module single serial communication UHF ultra high frequency RFID electronic tag reading module
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    Android rfid card reader IC card reading and writi... SKU : U13T
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  22. RFID UHF Label 18000-6C EPC C1G2 Impinj Monza 5 Inlay Transponder Adhesive Sticker
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    RFID UHF Label 18000-6C EPC C1G2 Impinj Monza 5 In... SKU : UHFLABELM5
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    Anti radiation conductive net, electromagnetic int... SKU : 32830011294
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  24. 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
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  25. RFID Based Intelligent Wine Drawer Refrigerator UHF EPC TCP/IP Customizable
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    RFID Based Intelligent Wine Drawer Refrigerator UH... SKU : ZKWINEDRAW
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  26. Serial Port RS485 LAN Ethernet To 4G WiFi Converter Server Industrial 4G LTE Router USR-G807 IoT Device Support Modbus
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    Serial Port RS485 LAN Ethernet To 4G WiFi Converte... SKU : USR-G807
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  27. Industrial Dual Serial Port RS232 RS485 To Ethernet Converter Server IOT Device USR-N520 Support Modbus RTU To TCP
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    Industrial Dual Serial Port RS232 RS485 To Etherne... SKU : USR-N520
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    Hot Sale Black NFC Mobile Phone Connection Unlock ... SKU : 32830272665
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  29. 100pcs 4.6x300/200/150mm Stainless Steel Metal Cable Tie Zip Wrap Exhaust Heat Straps Induction Pipe
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    100pcs 4.6x300/200/150mm Stainless Steel Metal Cab... SKU : 32919805878
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  30. 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$0.93 Regular Price US$1.03
  31. 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$99.03 Regular Price US$110.03
  32. 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
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