{"product_id":"standalone-rfid-keypad-access-control-system-125khz-2000-users","title":"Standalone RFID Keypad Access Control System – 2000 Users","description":"\n\u003ch2\u003eAsia-Teco S603EM Standalone RFID Access Control Keypad\u003c\/h2\u003e\n\u003cp\u003eSecure your home or office with the \u003cstrong\u003eAsia-Teco S603EM\u003c\/strong\u003e — a robust, standalone access control system combining a metal LED-backlit keypad with a built-in 125kHz proximity card reader. Supporting up to \u003cstrong\u003e2,000 users\u003c\/strong\u003e, this all-in-one door access controller offers three flexible entry modes and a durable zinc alloy housing built to last.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree Entry Modes:\u003c\/strong\u003e Password Only, RFID Card Only, or Password + Card for layered access security\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2,000 User Capacity:\u003c\/strong\u003e Easily add or delete card numbers to manage large user bases\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZinc Alloy Metal Housing:\u003c\/strong\u003e Durable, tamper-resistant enclosure for long-term outdoor or indoor installation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Backlit Keypad:\u003c\/strong\u003e Illuminated plastic keys for easy nighttime use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in 125kHz Proximity Card Reader:\u003c\/strong\u003e ASK modulation for fast, reliable card recognition\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWiegand Output:\u003c\/strong\u003e Compatible with standard access control panels and systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAlarm Function:\u003c\/strong\u003e Built-in buzzer with alerts for forced door, door ajar, and other events\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8 Auxiliary Modes:\u003c\/strong\u003e Door ajar, forced door, shunt, door monitor, normal\/secure, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLock Relay Output:\u003c\/strong\u003e Supports NO\/NC configurations in both Secure and Normal mode\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Bell Button:\u003c\/strong\u003e Connect an external doorbell with ease\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 User Levels:\u003c\/strong\u003e Normal User, Secure User, and Master User for tiered access management\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2 Operation Modes:\u003c\/strong\u003e Normal Mode and Secure Mode\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProgrammable Lock Strike Release Time:\u003c\/strong\u003e Customize door open duration to suit your needs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuxiliary Input \u0026amp; Output:\u003c\/strong\u003e Flexible integration with other security devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2 Status \/ Programming Interface LEDs:\u003c\/strong\u003e Clear visual feedback for system status\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE, FCC \u0026amp; RoHS Certified:\u003c\/strong\u003e Meets international safety and environmental standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eS603EM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAsia-Teco\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCard Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e125kHz (ASK Modulation)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUser Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 2,000 users\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZinc Alloy (Metal)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWiegand \/ Lock Relay (NO\/NC)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperation Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNormal Mode, Secure Mode\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, FCC, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eWhether you're securing a home front door, office entrance, server room, or warehouse, the S603EM delivers professional-grade access control without requiring a central management PC. Its standalone operation makes installation straightforward and cost-effective.\u003c\/p\u003e\n\n\u003cp\u003eFor general guidance on physical security systems and best practices, visit the Cybersecurity \u0026amp; Infrastructure Security Agency (CISA). You can also reference \u003ca href=\"https:\/\/www.nist.gov\/topics\/cybersecurity\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNIST's cybersecurity resources\u003c\/a\u003e for understanding access control frameworks.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What RFID card types are compatible with this access control keypad?\u003c\/h4\u003e\n\u003cp\u003eA: The Asia-Teco S603EM is compatible with standard 125kHz proximity cards and key fobs using ASK modulation (commonly EM4100\/EM4200 format). It does not support 13.56MHz Mifare or HID iCLASS cards.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this RFID keypad be used as a standalone unit without connecting to a PC or network?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — the S603EM is a fully standalone access controller. You can program it directly from the keypad to add or delete users, set operation modes, and configure door release timing without any software or network connection.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this unit support Wiegand output for integration with other access control panels?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the S603EM features a Wiegand output interface, making it compatible with most third-party access control panels and systems that support the Wiegand data protocol.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What lock types can this access control system work with?\u003c\/h4\u003e\n\u003cp\u003eA: The S603EM includes a lock relay output that supports both Normally Open (NO) and Normally Closed (NC) configurations, making it compatible with electric strikes, electromagnetic locks (maglocks), and electric deadbolts.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What RFID card types are compatible with this access control keypad?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Asia-Teco S603EM is compatible with standard 125kHz proximity cards and key fobs using ASK modulation (commonly EM4100\/EM4200 format). 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