{"product_id":"125khz-rfid-keypad-access-control-system-door-lock-controller","title":"125KHz RFID Keypad Access Control System – 1000 Users","description":"\n\u003ch2\u003eRFID Keypad Door Access Control System – Model K2D\u003c\/h2\u003e\n\u003cp\u003eUpgrade your home, office, hotel, or apartment security with this versatile \u003cstrong\u003e125KHz RFID Proximity Card Digital Keypad Access Control System\u003c\/strong\u003e. Supporting up to \u003cstrong\u003e1,000 users\u003c\/strong\u003e, this standalone controller lets you manage door access effortlessly — no computer connection required. Choose from three convenient entry methods: RFID card only, PIN password only, or a combined RFID card + password for double-layer security.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 Access Modes:\u003c\/strong\u003e RFID card, PIN password, or card + password combined\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1,000 User Capacity:\u003c\/strong\u003e Easily manage large households, offices, or multi-tenant buildings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelay Anti-Force Unlock:\u003c\/strong\u003e Built-in protection against forced entry attempts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Doorbell Button:\u003c\/strong\u003e Convenient visitor notification in a single unit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandalone Operation:\u003c\/strong\u003e No computer or network connection needed — works independently right out of the box\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast \u0026amp; Sensitive Response:\u003c\/strong\u003e Quick card and keypad recognition for smooth, uninterrupted access\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Professional Design:\u003c\/strong\u003e Sleek form factor (73 × 115 × 20 mm) suits residential and commercial installations\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Ideal for homes, hotels, offices, apartments, factories, and more\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e K2D\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Frequency:\u003c\/strong\u003e 125 KHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUser Capacity:\u003c\/strong\u003e 1,000 users\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReading Distance:\u003c\/strong\u003e 0–10 cm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Voltage:\u003c\/strong\u003e DC 12V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Current:\u003c\/strong\u003e \u0026lt;100 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorking Temperature:\u003c\/strong\u003e -10°C to +70°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelative Humidity:\u003c\/strong\u003e 20%–90%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 73 × 115 × 20 mm (L × H × W)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecurity Mode:\u003c\/strong\u003e Fail Safe with Signal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Access Control System?\u003c\/h3\u003e\n\u003cp\u003eWhether you're securing a single door at home or managing entry for a small business, this RFID keypad controller delivers reliable performance at a great value. The three-in-one entry flexibility means you can set the security level that suits your needs, while the 1,000-user capacity ensures you won't outgrow the system. The relay anti-force unlock feature adds an important layer of tamper resistance, and the integrated doorbell keeps things convenient for visitors.\u003c\/p\u003e\n\n\u003cp\u003eFor guidance on best practices in physical security systems, visit the Cybersecurity \u0026amp; Infrastructure Security Agency or review consumer product safety standards at CPSC.gov.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does this RFID access control system require a computer or internet connection to work?\u003c\/h4\u003e\n\u003cp\u003eA: No. The K2D RFID keypad access control system is fully standalone — it operates independently without any computer, software, or internet connection. Simply wire it to your door lock and power supply (DC 12V) and you're ready to go.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many users can be stored in this RFID keypad controller?\u003c\/h4\u003e\n\u003cp\u003eA: The system supports up to 1,000 users, making it suitable for residences, small offices, hotels, apartments, and light commercial applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What are the three ways to unlock the door with this system?\u003c\/h4\u003e\n\u003cp\u003eA: You can unlock the door using: (1) an RFID proximity card alone, (2) a PIN password entered on the keypad, or (3) a combination of both RFID card and PIN password for enhanced security.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What type of RFID cards does this system support?\u003c\/h4\u003e\n\u003cp\u003eA: This controller operates at 125 KHz and is compatible with standard EM-format RFID proximity cards and key fobs that operate at the same frequency.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this access control keypad suitable for outdoor installation?\u003c\/h4\u003e\n\u003cp\u003eA: The unit is designed for single-door installations and can handle a working temperature range of -10°C to +70°C with relative humidity of 20%–90%. For exposed outdoor environments, consider adding a weatherproof enclosure for best results.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does this RFID access control system require a computer or internet connection to work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. The K2D RFID keypad access control system is fully standalone — it operates independently without any computer, software, or internet connection. 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