EM4200 Droppen – Classic key fob (EM 125 kHz)
The one everyone recognizes and trusts for 20+ years.
Teardrop-shaped, extremely durable and always in stock in 7 colors. Sweden's best-selling key tag by far - now ready for your own engraving and optional number.
Not sure if you have EM or Mifare?
Try both techniques at home for just 69 kr
Money back when you later buy 100 or more
Includes a list of all common Swedish system numbers ∙ Free shipping
Compatible systems & most common EM prefixes
| System | Most common prefix |
|---|---|
| Aptus | A + number |
| ASSA ARX / Solid / Entro | S + number |
| Axema AWAKE | V + number |
| Axema (others) | AX + number |
| Paxton | P + number |
| RCO Security | R + number |
| Timer | T + number |
| Vanderbilt/Bewator Entro | B + number |
| Vanderbilt/Bewator Omnis / 2010 | B + number |
| Own system | Enter optional |
That's why everyone chooses Droppen
- Sweden's most used key fob – recognized everywhere
- Extremely durable ABS with metal ring
- Perfect reading distance and engraving surface
- Always in stock in 7 colors
Customize exactly how you want
- Race number (enter start number)
- Own prefix + number
- Laser engraving or color logo on the round surface
- Decimal, hex or chip UID
✔️ Proofreading of logos and larger orders
Technical specification
| chip | EM4200 original |
| Frequency | 125 kHz |
| Material | Durable ABS + metal ring |
| Form | Teardrop-shaped key fob |
| Colors | Black ∙ white ∙ blue ∙ red ∙ green ∙ yellow ∙ grey |
Delivery
- 1–3 working days on in-stock items ∙ Free shipping over 1000 SEK














