
EM4200 Proximity Smart Cards, 100 Pack
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Compatibility
- EM4102 Access Control Systems
Blank EM4200 Proximity Cards.
Blank EM4200 RFID Cards are a high quality, credit card sized access control solution, operating at 125 kHz frequency.
Featuring a CMOS integrated circuit that is suitable to work with electronic read-only RF transponders, the EM4200 Prox Cards are perfect for customising with an ID card printer.
Available in a pack of 100, the EM4200 RFID Cards can be branded to produce secure photo identification cards, membership cards, visitor passes and more.
Also available custom printed with your own branding.
Blank EM4200 RFID Cards are compatible with:
- EM4102 Access Control Systems
- 100 pack of Blank EM4200 Proximity Cards
Can you print on RFID cards with a direct-to-card printer?
The short answer is yes, you can print RFID cards (also known as smart cards) and access cards including MIFARE, Paxton and others on a Direct-to-Card printer. But there are...
FAQs for EM4200 Proximity RFID Cards
What are EM4200 proximity cards used for?
EM4200 proximity cards are commonly used for access control, staff ID, membership cards, transport systems and ticketing applications. They are designed to work with compatible 125kHz RFID proximity readers.
What frequency do EM4200 cards operate at?
EM4200 proximity cards operate at 125kHz, which is commonly used in low-frequency RFID access control systems.
Are EM4200 cards compatible with EM4102 systems?
Yes, EM4200 cards are commonly used as a replacement or compatible option for many EM4102 / EM4100-style 125kHz proximity systems. However, compatibility can depend on your reader and system setup, so it is always worth checking before ordering.
Are these cards blank?
Yes. These EM4200 cards are supplied blank, making them suitable for businesses that want to print their own card design, staff details or branding.
Can EM4200 cards be printed with an ID card printer?
Yes. These are CR80 credit-card-sized PVC cards and can be personalised using a compatible ID card printer. They can be printed with staff names, logos, photos or visitor pass designs.
Are EM4200 cards read-only?
Yes. EM4200 cards are read-only RFID cards, meaning the chip contains a fixed unique ID number. They are normally used where the access control system reads the card number and links it to a user record.
Do EM4200 cards need batteries?
No. EM4200 proximity cards are passive RFID cards, so they do not need batteries. The card is powered by the reader when it is presented to a compatible access control reader.
What size are these cards?
These cards are standard CR80 credit card size, making them suitable for most card holders, badge reels and lanyard accessories.
Will these cards work with MIFARE systems?
No, not unless your system specifically supports EM4200 / 125kHz technology. MIFARE cards usually operate at 13.56MHz, which is different from EM4200. If your current card says MIFARE, you will usually need a MIFARE-compatible card instead.
How do I know if EM4200 is the right card for my system?
Check your current card, fob, access control reader or previous order details for references to EM4200, EM4100, EM4102 or 125kHz proximity technology. If you are unsure, contact us before ordering and we can help check compatibility or read our guide on replacement RFID cards here.
Do EM4200 proximity cards need programming?
M4200 proximity cards are usually supplied with a fixed chip/card number, but they may still need to be enrolled or added to your access control system before they will work. This is normally done through your access control software by your installer, facilities manager, IT team, landlord or building manager. For more help, read our guide Do RFID Cards, Gift Cards and Key Cards Need Programming?






