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Search results for: 'NULL check a double pointer c'

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  1. Industrial 4G LTE Modem USR-G781 Serial Port RS232 RS485 To Ethernet Server Converter IOT Device
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    Industrial 4G LTE Modem USR-G781 Serial Port RS232... SKU : USR-G781
    Special Price US$78.62 Regular Price US$87.36
  2. RFID Combo Thin Card 860-960MHz ISO 18000-6C + 13.56MHz ISO 14443A Dual Frequency Combo Card
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    RFID Combo Thin Card 860-960MHz ISO 18000-6C + 13.... SKU : UHFCOMBOTHIN
    Special Price US$0.84 Regular Price US$0.93 As low as US$0.40
  3. 1W 13.56MHz RFID ISO15693 middle range reader with one antenna port provide free sdk for library man
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    1W 13.56MHz RFID ISO15693 middle range reader with... SKU : CFRH9011
    Special Price US$207.94 Regular Price US$231.04
  4. RFID Combo Thick Card 860-960MHz ISO 18000-6C + 13.56MHz ISO 15693 Dual Frequency Combo Card
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    RFID Combo Thick Card 860-960MHz ISO 18000-6C + 13... SKU : UHFCOMBOTHICK
    Special Price US$0.84 Regular Price US$0.93
  5. 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
  6. 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$134.40 Regular Price US$149.33
    Out of stock
  7. RFID 125Khz Card Copier 2 In 1 EM4100 TK4100 card iButton Reader+2pcs RW1990+2pcs EM4305 Tag
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    RFID 125Khz Card Copier 2 In 1 EM4100 TK4100 card ... SKU : 32757534579
    Special Price US$35.61 Regular Price US$39.57
    Out of stock
  8. 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$95.03 Regular Price US$105.59
  9. RFID HF washable clothes security rfid tags
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    RFID HF washable clothes security rfid tags SKU : ApparelLabel-2
    Special Price US$0.50 Regular Price US$0.56
  10. 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
  11. LPSECURITY Metal case keypad RFID access control system kit set electric door lock kit
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    LPSECURITY Metal case keypad RFID access control s... SKU : 32812126292
    Special Price US$48.90 Regular Price US$54.34
    Out of stock
  12. 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$16.80 Regular Price US$18.67
  13. 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$135.04 Regular Price US$150.04
  14. 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
  15. Chemical Oil Origin Authentication NFC Seal Sticker Bottle seal Label
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    Chemical Oil Origin Authentication NFC Seal Sticke... SKU : LockerSealSticker
    Special Price US$0.50 Regular Price US$0.56
  16. 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
    Special Price US$123.79 Regular Price US$137.54
  17. RFID LF 125KHz/13.56MHz EM4100/NFC Mini Reader for Smart Phone Type-C
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    RFID LF 125KHz/13.56MHz EM4100/NFC Mini Reader for... SKU : SYCR65
    Special Price US$13.44 Regular Price US$14.93
  18. 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
  19. 4G LTE Cellular IOT Gateway Alarm Device Industrial RS485 Serial Port GSM GPRS Modem Modbus RTU M2M for SCADA OPC Server S275
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    4G LTE Cellular IOT Gateway Alarm Device Industria... SKU : RTUS275
    Special Price US$61.82 Regular Price US$68.69
  20. Industrial 4G Cellular Modbus RTU Master for PLC Smart Meters Remote Data Acquisition MQTT IOT Gateway
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    Industrial 4G Cellular Modbus RTU Master for PLC S... SKU : RTUS272
    Special Price US$55.11 Regular Price US$61.23
  21. Anti radiation conductive net, electromagnetic interference, electromagnetic wave shielding net, con
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    Anti radiation conductive net, electromagnetic int... SKU : 32830011294
    Special Price US$6.05 Regular Price US$6.72
  22. 8618AK Stainless Waterproof Access Control RFID 125KHz with Keypad Silver 500 User
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    8618AK Stainless Waterproof Access Control RFID 12... SKU : KL8618AK
    Special Price US$23.52 Regular Price US$26.13
  23. 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
  24. 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$128.03 Regular Price US$142.25
  25. Counterfeit RFID UHF Sticker Label Wet Inlay UCode 7 23x11mm with Protected EPC and TID Tamper-proof
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    Counterfeit RFID UHF Sticker Label Wet Inlay UCode... SKU : U7-AZ-C7
    US$0.05
  26. 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
  27. 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$58.80 Regular Price US$65.33
  28. 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$390.11 Regular Price US$433.46
  29. Industrial 4G Multi Cellular Router Dual SIM LTE Card Slot Secure Wireless Connectivity Router DIN-Rail Install for M2M IoT APP
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    Industrial 4G Multi Cellular Router Dual SIM LTE C... SKU : USR-G808
    Special Price US$88.20 Regular Price US$98.00
  30. 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
    Special Price US$0.12 Regular Price US$0.13 As low as US$0.11
  31. 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
  32. 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$302.40 Regular Price US$336.00
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