--- product_id: 92900432 title: "20pcs EM4100 RFID 125Khz Proximity ID Entry Access Card Contactless ID PVC Card(1.8mm thin) Fit for Access Control Time Attendance" brand: "yiqingltd" price: "$4.43" currency: USD in_stock: false url: https://www.desertcart.us/products/92900432-20pcs-em4100-rfid-125khz-proximity-id-entry-access-card-contactless store_origin: US region: United States of America --- # 1.8mm thin 125KHz frequency 20pcs pack 20pcs EM4100 RFID 125Khz Proximity ID Entry Access Card Contactless ID PVC Card(1.8mm thin) Fit for Access Control Time Attendance **Brand:** yiqingltd **Price:** $4.43 **Availability:** ❌ Out of Stock ## Summary > Unlock Your Potential! 🔓 ## Quick Answers - **What is this?** 20pcs EM4100 RFID 125Khz Proximity ID Entry Access Card Contactless ID PVC Card(1.8mm thin) Fit for Access Control Time Attendance by yiqingltd - **How much does it cost?** $4.43 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/92900432-20pcs-em4100-rfid-125khz-proximity-id-entry-access-card-contactless) ## Best For - yiqingltd enthusiasts ## Why This Product - Trusted yiqingltd brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable Design:** Built to withstand daily use. - • **Expert Support:** Professional after-sales service at your fingertips. - • **Seamless Access Control:** Unlock doors with a simple swipe! - • **Universal Compatibility:** Works with most access systems. - • **Pre-Programmed Convenience:** Each card has a unique 18-digit ID. ## Overview The 20pcs EM4100 RFID Proximity ID Access Cards are designed for seamless entry and time attendance tracking. Each card is 1.8mm thin, pre-programmed with a unique 18-digit ID, and compatible with a wide range of access control systems, ensuring both durability and convenience for your security needs. ## Description Specifications: Pre-programmed with unique 18-digit ID number in each card.(The first 10 digitals is ABA code, the last 8 digitals is wiegand code) This RFID card is read only and not rewritable Operation Frequency : 125KHz Standard : TK ID compatible Compatible with stand EM ID access devices or ID reader Contactless transmission of data and supply energy Ideal for use in ID and access control With card ID printing Size : approx. 85.6x54x0.76mm Color : White Material : PVC Operation Temperature : -40C~85C Waterproof Note: Please notice that our RFID cards cannot be compatible with UHF reader and encrypted readers, for example, the reader of following brands: HID, Cobra, APCiK,Paradox,Radio,Honeywell,etc Please consult your technician to ensure your reader will support normal (non-encrypted) standard EM4100 125KHz RFID cards Package includes:20pcs x id thick Cards (White)Application:Access control attendance, hotel locks, staff attendance, school campus access, membership management, payment control, identification and security systems, parking lot entry and payment, social security management, transportation, municipal and ancillary service. ## Features - 125KHz TK4100、EM4100 ID thick card, Pack of 20pcs Proximity Clamshell card works with the vast majority of access control systems Pre-programmed with unique 18-digit ID number in each card.(The first 10 digitals are ABA code, the last 8 digitals are wiegand code) Compatible with stand EM ID access devices or ID reader Aftersales-service: professional after-sale technicians answer the problems in the development process for you in time ›See more product details ## Images ![20pcs EM4100 RFID 125Khz Proximity ID Entry Access Card Contactless ID PVC Card(1.8mm thin) Fit for Access Control Time Attendance - Image 1](https://m.media-amazon.com/images/I/41Tt4tf+4LL.jpg) ![20pcs EM4100 RFID 125Khz Proximity ID Entry Access Card Contactless ID PVC Card(1.8mm thin) Fit for Access Control Time Attendance - Image 2](https://m.media-amazon.com/images/I/51yITiMEAcL.jpg) ![20pcs EM4100 RFID 125Khz Proximity ID Entry Access Card Contactless ID PVC Card(1.8mm thin) Fit for Access Control Time Attendance - Image 3](https://m.media-amazon.com/images/I/41S6TjMNHzL.jpg) ![20pcs EM4100 RFID 125Khz Proximity ID Entry Access Card Contactless ID PVC Card(1.8mm thin) Fit for Access Control Time Attendance - Image 4](https://m.media-amazon.com/images/I/41y6dPrM1wL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/92900432-20pcs-em4100-rfid-125khz-proximity-id-entry-access-card-contactless](https://www.desertcart.us/products/92900432-20pcs-em4100-rfid-125khz-proximity-id-entry-access-card-contactless) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-10*