{"product_id":"125khz-rfid-t5577-rewritable-chip-ceramic-ring-for-clone-tk4100-or-em4105-access-control-and-hotel-entry-key-cards","title":"125kHz RFID Rewritable Smart Ring – IP68 Ceramic Chassis","description":"\u003ch2\u003eAccess Friction and Manual Data Entry\u003c\/h2\u003e\u003cp\u003eYou face constant delays when accessing secure zones or managing repetitive digital inputs during your busy day. Relying on physical keycards and clumsy fobs creates unnecessary friction in your workflow. Your time is valuable and requires a seamless, integrated solution that fits perfectly into your active lifestyle.\u003c\/p\u003e\u003ch2\u003eThe Tidesmit Ceramic RFID Smart Ring\u003c\/h2\u003e\u003cp\u003eOur 125kHz rewritable smart ring serves as your invisible, always-on interface for secure physical and digital interactions. Engineered from high-density ceramic, this wearable delivers a 10cm optimal read range, ensuring reliable performance without the need for batteries or bulky charging cables. By combining robust electronics with a scratch-resistant exterior, it transforms how you interface with NFC and RFID environments.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRewritable 125kHz Chip\u003c\/strong\u003e - Supports multiple access credentials - Eliminates the need for carrying bulky traditional plastic keycards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Ceramic\u003c\/strong\u003e - Mohs hardness 9 rating - Provides extreme scratch resistance for daily high-impact use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP68 Waterproofing\u003c\/strong\u003e - Submersible up to 1.5 meters - Ensures total operational reliability in wet environments or swimming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery-Free Design\u003c\/strong\u003e - Passive EM4100-compatible induction - Delivers maintenance-free operation with zero charging requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErgonomic Profile\u003c\/strong\u003e - 2mm thickness - Maintains a slim, natural feel on the finger for long-term comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility\u003c\/strong\u003e - Multi-frequency support - Enables seamless integration with existing building security and access systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e 125kHz RFID (EM4100, T5577 compatible)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRead Range:\u003c\/strong\u003e 2cm to 10cm based on reader antenna strength\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Requirements:\u003c\/strong\u003e Passive inductive coupling (zero battery)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Medical-grade Zirconia ceramic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 2.0mm consistent profile\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Resistance:\u003c\/strong\u003e IP68 certified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 5.2 grams average per unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Compatible with all standard 125kHz RFID readers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, FCC, RoHS compliant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBox Contents:\u003c\/strong\u003e 1x Smart Ring, 1x Presentation Case, User Manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho Is This For\u003c\/h2\u003e\u003cp\u003eThis ring is designed for tech-forward professionals, secure facility security personnel, and minimalist gym enthusiasts who prioritize efficiency. If you are seeking a hands-free authentication wearable for gated entry systems, this product integrates perfectly into your smart home or office ecosystem as a high-performance RFID access control ring.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cb\u003eIs the Tidesmit smart ring compatible with standard building access keycards?\u003c\/b\u003e\u003cbr\u003eThe ring is fully compatible with 125kHz RFID readers widely used in office buildings and residential security. Because the chip is rewritable, you can clone existing credentials for a seamless, keyless entry experience.\u003c\/p\u003e\u003cp\u003eExperience the future of seamless physical access and optimize your daily workflow with the Tidesmit ceramic wearable today.\u003c\/p\u003e","brand":"Tidesmit","offers":[{"title":"White US SIZE 6","offer_id":57247525372249,"sku":"TDS-ACTMN-00075-001","price":37.99,"currency_code":"EUR","in_stock":true},{"title":"White US SIZE 7","offer_id":57247525405017,"sku":"TDS-ACTMN-00075-002","price":37.96,"currency_code":"EUR","in_stock":true},{"title":"White US SIZE 8","offer_id":57247525437785,"sku":"TDS-ACTMN-00075-003","price":37.98,"currency_code":"EUR","in_stock":true},{"title":"White US SIZE 9","offer_id":57247525470553,"sku":"TDS-ACTMN-00075-004","price":37.98,"currency_code":"EUR","in_stock":true},{"title":"White US SIZE 10","offer_id":57247525503321,"sku":"TDS-ACTMN-00075-005","price":37.99,"currency_code":"EUR","in_stock":true},{"title":"White US SIZE 11","offer_id":57247525536089,"sku":"TDS-ACTMN-00075-006","price":37.98,"currency_code":"EUR","in_stock":true},{"title":"White US SIZE 12","offer_id":57247525568857,"sku":"TDS-ACTMN-00075-007","price":37.96,"currency_code":"EUR","in_stock":true},{"title":"Black US SIZE 6","offer_id":57247525601625,"sku":"TDS-ACTMN-00075-008","price":37.94,"currency_code":"EUR","in_stock":true},{"title":"Black US SIZE 7","offer_id":57247525634393,"sku":"TDS-ACTMN-00075-009","price":38.1,"currency_code":"EUR","in_stock":true},{"title":"Black US SIZE 8","offer_id":57247525667161,"sku":"TDS-ACTMN-00075-010","price":37.97,"currency_code":"EUR","in_stock":true},{"title":"Black US SIZE 9","offer_id":57247525699929,"sku":"TDS-ACTMN-00075-011","price":37.99,"currency_code":"EUR","in_stock":true},{"title":"Black US SIZE 10","offer_id":57247525732697,"sku":"TDS-ACTMN-00075-012","price":37.97,"currency_code":"EUR","in_stock":true},{"title":"Black US SIZE 11","offer_id":57247525765465,"sku":"TDS-ACTMN-00075-013","price":37.98,"currency_code":"EUR","in_stock":true},{"title":"Black US SIZE 12","offer_id":57247525798233,"sku":"TDS-ACTMN-00075-014","price":38.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/7271\/6121\/files\/S9ce3668bb58f428891720b115581ac57y.webp?v=1770528554","url":"https:\/\/tidesmit.com\/products\/125khz-rfid-t5577-rewritable-chip-ceramic-ring-for-clone-tk4100-or-em4105-access-control-and-hotel-entry-key-cards","provider":"Tidesmit","version":"1.0","type":"link"}