{"product_id":"tm-touch-memory-keyfob-ds1990a-f5-stainless-steel","title":"TM Touch Memory Keyfob DS1990A-F5 | Stainless Steel Access","description":"\n\u003ch2\u003eTM Touch Memory Keyfob — DS1990A Compatible (RW1990A-F5)\u003c\/h2\u003e\n\u003cp\u003eUpgrade your access control system with the \u003cstrong\u003eTM\/DS1990A-F5 Touch Memory Keyfob\u003c\/strong\u003e — a compact, rugged electronic key built for professional security and identification applications. Compatible with DS1990A readers and systems, this stainless steel iButton-style fob delivers dependable, fast touch-based authentication for door locks, security patrol systems, banking terminals, and more.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRW1990A-F5 Read\/Write Compatible:\u003c\/strong\u003e Fully compatible with DS1990A systems; supports repeated read\/write cycles up to 1,500,000,000 times\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e64-Bit Unique Serial Number:\u003c\/strong\u003e Every unit carries a globally unique 64-bit ID with 64-bit PIN protection for enhanced security\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDALLAS Encryption:\u003c\/strong\u003e Features Dallas-standard encryption with an ultra-low breakdown rate of just 1\/100,000\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8KB RAM Memory:\u003c\/strong\u003e Ample onboard storage for identification data and custom code writing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSUS304 Stainless Steel Housing:\u003c\/strong\u003e Corrosion-resistant, rust-proof, heat-resistant, and tamper-resistant — built for demanding environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Operates reliably from -40°C to +85°C, suitable for both indoor and outdoor use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e20+ Year Lifespan:\u003c\/strong\u003e Engineered for long-term, low-maintenance deployment\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTouch Inductive Interface:\u003c\/strong\u003e Simple, fast, no-swipe contact activation\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\u003eRW1990A-F5 (DS1990A compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEncryption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDallas-standard encryption\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSerial Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGlobally unique 64-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Logic\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e64-bit PIN protection\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8KB RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTouch (contact)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eR\/W Cycles\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,500,000,000\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBreakdown Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 \/ 100,000\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-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLifespan\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 20 years\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eØ16.25 × 5.89 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHousing Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSUS304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplication Fields\u003c\/h3\u003e\n\u003cp\u003eThis versatile touch memory keyfob is widely used across multiple industries and settings, including:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSecurity patrol management systems\u003c\/li\u003e\n  \u003cli\u003eElectronic door locks \u0026amp; sauna locker systems\u003c\/li\u003e\n  \u003cli\u003eDoor intercom and access control systems\u003c\/li\u003e\n  \u003cli\u003eIdentification and card-based authentication\u003c\/li\u003e\n  \u003cli\u003eBanking and financial terminals\u003c\/li\u003e\n  \u003cli\u003eRail transportation and communications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eFor general guidance on electronic security standards and best practices for access control systems, visit the \u003ca href=\"https:\/\/www.nist.gov\/topics\/identity-access-management\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNIST Identity \u0026amp; Access Management resource page\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this TM keyfob compatible with DS1990A access control readers?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The RW1990A-F5 keyfob is fully compatible with DS1990A-based readers and systems. It supports standard touch-contact communication protocols used in door locks, security patrol systems, and identification terminals.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can the keyfob be reprogrammed or rewritten?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. This is a read\/write (RW1990A-F5) type card. It supports up to 1,500,000,000 read\/write cycles and allows custom code writing, making it ideal for reusable, programmable access control deployments.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How durable is the stainless steel housing?\u003c\/h4\u003e\n\u003cp\u003eA: The keyfob is housed in SUS304 stainless steel, which is rust-proof, corrosion-resistant, heat-resistant, and sealed for rugged use. It operates across a wide temperature range (-40°C to +85°C) and is rated for a lifespan exceeding 20 years, making it suitable for both indoor and harsh outdoor environments.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this TM keyfob compatible with DS1990A access control readers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The RW1990A-F5 keyfob is fully compatible with DS1990A-based readers and systems. It supports standard touch-contact communication protocols used in door locks, security patrol systems, and identification terminals.\"}}, {\"@type\": \"Question\", \"name\": \"Can the keyfob be reprogrammed or rewritten?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. This is a read\/write (RW1990A-F5) type card. It supports up to 1,500,000,000 read\/write cycles and allows custom code writing, making it ideal for reusable, programmable access control deployments.\"}}, {\"@type\": \"Question\", \"name\": \"How durable is the stainless steel housing?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The keyfob is housed in SUS304 stainless steel, which is rust-proof, corrosion-resistant, heat-resistant, and sealed for rugged use. It operates across a wide temperature range (-40°C to +85°C) and is rated for a lifespan exceeding 20 years, making it suitable for both indoor and harsh outdoor environments.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"TM Touch Memory Keyfob DS1990A-F5 | Stainless Steel Access\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/tm-touch-memory-keyfob-ds1990a-f5-stainless-steel\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"Default Title","offer_id":48752935174336,"sku":"\u003cnone\u003e","price":71.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/S66d59f1eb83f428eaeec5b8cf2735bb20.webp?v=1786260125","url":"https:\/\/vueselect.com\/products\/tm-touch-memory-keyfob-ds1990a-f5-stainless-steel","provider":"Vue","version":"1.0","type":"link"}