{"product_id":"rfid-access-control-system-waterproof-125khz-proximity-entry-controller","title":"RFID Access Control System – Waterproof 125KHz Proximity Controller","description":"\n\u003ch2\u003eAsia-Teco A3D-EM RFID Access Control System – Keypad-Free, IP55 Waterproof Proximity Entry Controller\u003c\/h2\u003e\n\n\u003cp\u003eTake control of who enters your space with the \u003cstrong\u003eAsia-Teco A3D-EM 125KHz RFID Access Control System\u003c\/strong\u003e. Designed for homes, offices, apartments, and commercial buildings, this sleek, keypad-free proximity card reader delivers fast, reliable, and secure entry management — no PIN codes required. Simply present your RFID card and gain instant access. Built to IP55 waterproof standards, it performs flawlessly indoors and outdoors in varying weather conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKeypad-Free Design:\u003c\/strong\u003e Clean, minimal form factor — card-only entry for streamlined access management.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUp to 2,000 Users:\u003c\/strong\u003e Store credentials for up to 2,000 unique RFID cards — ideal for small to medium-sized organizations or multi-tenant buildings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e125KHz EM Card Compatibility:\u003c\/strong\u003e Works seamlessly with standard 125KHz EM proximity cards and key fobs.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast \u0026amp; Sensitive Card Reading:\u003c\/strong\u003e Card read range of 1–10 cm with near-instant response time for smooth, uninterrupted entry.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP55 Waterproof Rating:\u003c\/strong\u003e Dust-resistant and splash-proof construction for reliable performance in outdoor or semi-exposed environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExtended Antenna Support:\u003c\/strong\u003e Connect an optional external antenna to extend read range for larger installations or specialized applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManagement Card Support:\u003c\/strong\u003e Enroll, delete, and manage user cards directly using a dedicated Management Card — no PC or software required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFail-Safe with Signal Mode:\u003c\/strong\u003e Includes signal-based fail-safe security mode for dependable access control in all situations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Measures just 110mm × 85mm × 22mm and weighs only 140g — easy to mount virtually anywhere.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA3D-EM\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\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤ 100mA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUser Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2,000 Standard Users\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRF Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e125KHz EM Card\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCard Read Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1–10 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKeypad\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSecurity Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFail Safe with Signal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20% to 80% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWaterproof Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP55\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110mm × 85mm × 22mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e140g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhy Choose the Asia-Teco A3D-EM?\u003c\/h3\u003e\n\u003cp\u003eWhether you're securing a server room, office entrance, apartment complex gate, or warehouse door, the A3D-EM offers a plug-and-play proximity access solution that is both robust and cost-effective. Its wide operating temperature range (-10°C to 60°C) makes it suitable for year-round outdoor use, while the IP55 rating ensures moisture and dust won't disrupt operations. Management is entirely card-based — making it incredibly user-friendly even for non-technical administrators.\u003c\/p\u003e\n\n\u003cp\u003eFor guidance on best practices in physical access control and electronic security systems, visit the Cybersecurity and Infrastructure Security Agency (CISA) or review consumer product safety information at CPSC.gov.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What type of RFID cards does the Asia-Teco A3D-EM access control system support?\u003c\/h4\u003e\n\u003cp\u003eA: The A3D-EM is compatible with standard \u003cstrong\u003e125KHz EM proximity cards and key fobs\u003c\/strong\u003e. It does not support higher-frequency cards such as 13.56MHz Mifare cards. When purchasing replacement or additional cards, ensure they are 125KHz EM format for full compatibility.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I add or delete users without a computer or keypad?\u003c\/h4\u003e\n\u003cp\u003eA: The A3D-EM uses a \u003cstrong\u003eManagement Card\u003c\/strong\u003e system. You simply present the management card to the reader, then present the user card you wish to enroll or delete — no PC, software, or keypad required. This makes day-to-day administration quick and straightforward.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this RFID access controller suitable for outdoor installation?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The A3D-EM carries an \u003cstrong\u003eIP55 waterproof rating\u003c\/strong\u003e, meaning it is protected against dust ingress and low-pressure water jets from any direction. It also operates reliably across a temperature range of -10°C to 60°C, making it well-suited for outdoor entryways, gates, and covered exterior installations.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What power supply does the A3D-EM require?\u003c\/h4\u003e\n\u003cp\u003eA: The controller operates on \u003cstrong\u003eDC 12V\u003c\/strong\u003e with a working current of ≤ 100mA. A standard 12V DC power adapter or access control power supply is required (sold separately). Ensure your power supply is stable and rated for continuous use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I extend the card reading range beyond the standard 1–10 cm?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The A3D-EM supports connection to an \u003cstrong\u003eoptional external\/extended antenna\u003c\/strong\u003e, which can increase the card reading distance beyond the built-in 1–10 cm range. This is useful for vehicle access gates or situations where longer-range detection is preferred.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What type of RFID cards does the Asia-Teco A3D-EM access control system support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The A3D-EM is compatible with standard 125KHz EM proximity cards and key fobs. It does not support higher-frequency cards such as 13.56MHz Mifare cards. When purchasing replacement or additional cards, ensure they are 125KHz EM format for full compatibility.\"}}, {\"@type\": \"Question\", \"name\": \"How do I add or delete users without a computer or keypad?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The A3D-EM uses a Management Card system. 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