{"id":3235,"date":"2024-03-26T16:03:11","date_gmt":"2024-03-26T08:03:11","guid":{"rendered":"http:\/\/demo.lezhan.org\/?post_type=product&p=3235"},"modified":"2026-05-11T19:00:19","modified_gmt":"2026-05-11T11:00:19","slug":"rfid-key-tag","status":"publish","type":"product","link":"https:\/\/www.dccochina.com\/es\/shop\/rfid-key-tag\/","title":{"rendered":"RFID Key Tag"},"content":{"rendered":"

Overview:<\/h2>\n

An RFID key fob tag is a compact security device that provides secure access and authentication for network services and data. Made of durable ABS material with a metal ring, it\u2019s easy to carry and highly reliable for various applications.
\nAvailable in a wide range of RFID technologies, including low-frequency 125KHz, high-frequency 13.56MHz, and UHF, the RFID key fob tag is a flexible solution that meets the needs of different industries. It is commonly used in access control, attendance management, identification, logistics, industrial automation, ticketing, membership programs, public transportation, and e-payment systems.<\/p>\n

Key Features\uff1a<\/h2>\n

1. Frequency and Identification Type (Determining Performance and Application Scenarios)
\nLow Frequency (LF, 125 kHz)
\n\u2022 Reading Distance:3\u201310 cm
\n\u2022 Characteristics: Good penetration capabilities, strong interference resistance, low cost, Read-Only \/ Read-Write options (e.g., T5577)
\n\u2022 Typical Chips: EM4100, TK4100, EM4200, T5577
\nHigh Frequency (HF, 13.56 MHz)
\n\u2022 Reading Distance: 2\u20138 cm
\n\u2022 Characteristics: Encrypted security, larger data storage capacity, NFC support, multi-tag anti-collision capabilities
\n\u2022 Typical Chips: MIFARE Classic (S50\/S70), NTAG21x, Ultralight
\nUltra-High Frequency (UHF, 860\u2013960 MHz) \/ Active (2.4 GHz)
\n\u2022 Reading Distance:1\u201310 meters (Passive UHF), 10\u2013100 meters (Active)
\n\u2022 Characteristics: Long-range reading, rapid inventory counting, high-speed motion recognition (up to 200 km\/h)
\n\u2022Applications: Asset tracking, parking management, personnel zone positioning<\/p>\n

2. Physical and Environmental Characteristics
\n\u2022 Compact and Portable: Keyfob design; can be attached to keys or lanyards
\n\u2022 High Protection Rating: ABS\/PC housing + epoxy resin potting; water-resistant, dustproof, shockproof, and drop-resistant (IP67\/IP68)
\n\u2022 Durability:
\nRead\/Write Cycle Life: \u2265 100,000 times
\n\u2022 Passive: Semi-permanent (no battery required)
\n\u2022 Active: Battery life of 1\u20133 years (replaceable)
\n\u2022 Operating Temperature: -20\u00b0C to +55\u00b0C (Industrial-grade versions available: -40\u00b0C to +85\u00b0C)<\/p>\n

3. Security and Performance
\n\u2022 Contactless, Rapid Sensing: Identification within 0.1 seconds; stable performance even when wearing gloves or in rainy conditions
\n\u2022 Anti-Collision: Simultaneous reading of dozens to hundreds of tags without interference
\n\u2022 Security:
\n\u2022 LF:Primarily Read-Only IDs; suitable for simple identity verification
\n\u2022 HF: Supports encryption, key authentication, and sector-based data storage (e.g., MIFARE)
\nActive: Encrypted communication, device authenticity verification<\/p>\n

4. Cost and Customisation
\n\u2022 Low Cost (LF\/HF Passive): Suitable for large-scale issuance
\n\u2022 Customizable: Choice of colour, logo, numbering, form factor, chip, and frequency<\/p>\n\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n\n\n\n\n\n
Comparison Criteria<\/td>\nLow Frequency (LF) 125 kHz<\/td>\nHigh Frequency (HF) 13.56 MHz (M1\/NFC)<\/td>\nUHF (Ultra-High Frequency) 860\u2013960 MHz<\/td>\nActive 2.4G<\/td>\n<\/tr>\n
Power Supply Method<\/td>\nPassive (Battery-free)<\/td>\nPassive (Battery-free)<\/td>\nPassive (Battery-free)<\/td>\nActive (Battery-powered)<\/td>\n<\/tr>\n
Identification Distance<\/td>\n3\u201310 cm<\/td>\n2\u20138 cm<\/td>\n1\u20138 meters<\/td>\n10\u2013100 meters<\/td>\n<\/tr>\n
Reading Speed<\/td>\nStandard<\/td>\nFast; supports multi-tag reading<\/td>\nExtremely fast; supports identification during high-speed movement<\/td>\nReal-time, Instantaneous Reading<\/td>\n<\/tr>\n
Encryption Security<\/td>\nWeak; mostly Read-Only (ID only), easily duplicated<\/td>\nRobust; features sector encryption, key authentication, and anti-cracking measures<\/td>\nBasic: provides only fundamental identification<\/td>\nExtremely Robust; Bi-directional Encrypted Communication<\/td>\n<\/tr>\n
Storage Capacity<\/td>\nMinimal (ID card number only)<\/td>\nLarge capacity; capable of storing data, access permissions, and balances<\/td>\nModerate; supports item-level identification<\/td>\nHigh Capacity; Supports Positioning + Encrypted Data<\/td>\n<\/tr>\n
Anti-metal \/ Waterproof<\/td>\nExtremely Robust; resistant to extreme temperatures, water, and shock<\/td>\nGood; standard water resistance<\/td>\nPoor; susceptible to interference\/blocking by metal objects<\/td>\nModerate; Requires Protective Casing<\/td>\n<\/tr>\n
Unit Cost<\/td>\nLowest (A few cents to a few dimes in bulk)<\/td>\nModerate<\/td>\nRelatively low<\/td>\nHigh (Includes Battery)<\/td>\n<\/tr>\n
Service Life<\/td>\nPermanent (Passive; no wear or degradation)<\/td>\nPermanent<\/td>\nPermanent<\/td>\n1\u20133 Years (Battery Replacement Required)<\/td>\n<\/tr>\n
Typical Chips<\/td>\nEM4100, TK4100, T5577<\/td>\nM1 S50\/S70, NTAG213\/215<\/td>\nImpinj Series, Alien H3<\/td>\n2.4G Active Positioning Tag<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Application areas:<\/h2>\n\n\n\n\n\n<\/colgroup>\n\n\n\n\n\n\n
Type<\/td>\nApplicable Scenarios<\/td>\nInapplicable Scenarios<\/td>\nCore Advantages<\/td>\n<\/tr>\n
Low Frequency (LF) 125 kHz<\/td>\nResidential building access control | Standard office entry | Basic factory time & attendance | Legacy access system upgrades | Low-cost bulk card issuance<\/td>\nEncrypted Payment, NFC Mobile Reading\/Writing, Long-Range Identification<\/td>\nLow Cost, Strong Anti-interference, Stable and Durable<\/td>\n<\/tr>\n
High Frequency (HF) 13.56 MHz (M1\/NFC)<\/td>\nHotel room keys | Gym\/pool locker access & billing | Campus all-in-one cards | High-security corporate access control | Membership stored-value & consumption | Mobile NFC reading | Elevator floor access control<\/td>\nUltra-Long-Range Identification<\/td>\nMulti-purpose Card, Encrypted and Copy-proof, High Security<\/td>\n<\/tr>\n
Ultra-High Frequency (UHF)<\/td>\nLong-range automated parking barriers | Warehouse pallet\/tote inventory | Factory vehicle access control | Large-scale asset inventory | Logistics sorting<\/td>\nShort-Range Encrypted Transactions, Metal-Dense Environments<\/td>\nLong-range Automatic Identification, Hands-free Access, Rapid Gate Passage<\/td>\n<\/tr>\n
Active 2.4 GHz<\/td>\nReal-time personnel tracking (factory sites) | Kindergarten child safety\/anti-loss | Large-scale campus trajectory tracking | Long-range anti-theft alarms<\/td>\nStandard Access Control, Low-Cost Mass Card Issuance<\/td>\nUltra-long Range, Real-time Positioning, Security and Traceability<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n