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Search results for: 'get top record from group by ef core c'

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  1. 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$495.14 Regular Price US$550.16
    Out of stock
  2. 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$16.80 Regular Price US$18.67
  3. Newest ACR39U Smart Card Reader Writer USB interface
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    Newest ACR39U Smart Card Reader Writer USB interfa... SKU : ACR39
    Special Price US$19.32 Regular Price US$21.47
  4. Hot Sale Black NFC Mobile Phone Connection Unlock Pay Program Lock Link Shar Screen Unlock Smart Int
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    Hot Sale Black NFC Mobile Phone Connection Unlock ... SKU : 32830272665
    Special Price US$19.98 Regular Price US$22.20
  5. 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
  6. Serial Port RS232 RS485 To WiFi Ethernet RJ45 Converter Server IOT Device USR-W610 Hardware Watchdog Modbus RTU To TCP
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    Serial Port RS232 RS485 To WiFi Ethernet RJ45 Conv... SKU : USR-W610
    Special Price US$31.25 Regular Price US$34.72
  7. 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
  8. USR-DR301 DIN-rail RS232 Serial Port To Ethernet Converter Server IOT Device Support Modbus RTU to Modbus TCP
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    USR-DR301 DIN-rail RS232 Serial Port To Ethernet C... SKU : USR-DR301
    Special Price US$16.30 Regular Price US$18.11
  9. NFC Card High Capacity NTAG216 PVC Card NFC card Key tags universal RFID tag
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    NFC Card High Capacity NTAG216 PVC Card NFC card K... SKU : 32682706815
    Special Price US$0.25 Regular Price US$0.28
    Out of stock
  10. 10pcs NFC card tag tags 1k S50 IC 13.56MHz Read Write RFID
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    10pcs NFC card tag tags 1k S50 IC 13.56MHz Read Wr... SKU : 32596319735
    Special Price US$0.33 Regular Price US$0.37
    Out of stock
  11. NFC NTAG215 Chip ISO14443A NFC Card RFID Tag for All NFC Mobile Phone 100pcs
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    NFC NTAG215 Chip ISO14443A NFC Card RFID Tag for A... SKU : 32817195866
    Special Price US$25.20 Regular Price US$28.00
    Out of stock
  12. Industrial 8-port Serial Port RS232 RS422 RS485 To Ethernet Converter Server USR-N668 IOT Device Support Modbus
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    Industrial 8-port Serial Port RS232 RS422 RS485 To... SKU : USR-N668
    Special Price US$138.60 Regular Price US$154.00
  13. 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
  14. 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
  15. 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
  16. 100pcs NFC TAG Sticker 13.56MHz ISO14443A NTAG 213 NFC Sticker Universal Lable RFID Tag for all NFC
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    100pcs NFC TAG Sticker 13.56MHz ISO14443A NTAG 213... SKU : NT213STICKER
    Special Price US$10.08 Regular Price US$11.20
  17. 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
  18. RFID NFC Tags Sticker 13.56MHz 14443A NTag 25mm Round Adhesive
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    RFID NFC Tags Sticker 13.56MHz 14443A NTag 25mm Ro... SKU : NTAG25M
    Special Price US$0.29 Regular Price US$0.32
  19. 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
  20. 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
  21. 4G DTU USR-G786 Serial Port RS232 RS485 To 4G LTE Server Converter IOT Device
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    4G DTU USR-G786 Serial Port RS232 RS485 To 4G LTE ... SKU : USR-G786
    Special Price US$100.01 Regular Price US$111.12
  22. 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
  23. 7pcs/Lot,NTAG213,NFC tags/RFID adhesive label/sticker,compatible with all nfc products dia 30mm
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    7pcs/Lot,NTAG213,NFC tags/RFID adhesive label/stic... SKU : 32759290247
    Special Price US$1.70 Regular Price US$1.89
    Out of stock
  24. 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$109.20 Regular Price US$121.33
  25. NFC Tags Sticker Ntag216 big capacity 888bytes 13.56Mhz RFID Tag for Samsung Galaxy S5 Note3 S4 Noki
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    NFC Tags Sticker Ntag216 big capacity 888bytes 13.... SKU : 32627346141
    Special Price US$7.98 Regular Price US$8.87
    Out of stock
  26. 13.56MHZ MF 1K S50 F08 NFC Tags ISO14443A Silicone NFC Wristband Bracelet RFID Wrist Card
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    13.56MHZ MF 1K S50 F08 NFC Tags ISO14443A Silicone... SKU : 32823475900
    Special Price US$0.77 Regular Price US$0.86
    Out of stock
  27. 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
  28. 4G LTE Industrial Cellular VPN Router USR-G809 IOT Device 4 LAN and 1 WAN Ethernet Port
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    4G LTE Industrial Cellular VPN Router USR-G809 IOT... SKU : USR-G809
    Special Price US$109.20 Regular Price US$121.33
  29. 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$25.20 Regular Price US$28.00
  30. 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
  31. 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
  32. 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
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