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skID vs. fIDo: Comparing CAEN RFID’s Mobile Sled Readers

15th April 2025

When it comes to mobile RFID solutions, CAEN RFID offers two standout options: the skID and fIDo sled readers. Both are part of our easy2read© product family and designed for mobile workers who need reliable RAIN RFID performance on the go. However, depending on your specific use case, one may suit your operations better than the other.

Here’s a breakdown of the key differences to help you choose.

skID: Compact, Lightweight & Ready for Mobile Environments

The skID is engineered for users who require agility and flexibility.

Weighing just 110 grams, it is ideal for mobile workers in inventory management, cycle counting, and field sales.

skid caen rfid

Key highlights:

  • Integrated circular polarized antenna with a medium read range (up to 2 meters)
  • Bluetooth® 4.1 Smart Ready connectivity
  • Battery-powered with up to 12 hours of operation (40,000 tag readings)
  • iOS, Android, Windows compatibility
  • Three mounting options: magnetic, 3M Dual Lock™, and SP-Connect™
  • IP65 rating for durability in challenging environments

With its ergonomic form factor and compact dimensions, skID is perfect for operators who need a discreet and lightweight solution that can be paired easily with smartphones and tablets.


fIDo: Powerhouse for Extended Range & Extra Features

The fIDo sled reader is designed for demanding environments where longer read ranges and added functionalities are essential.
It delivers a maximum read range of up to 10 meters thanks to its higher antenna gain and powerful RF output (up to 30 dBm EIRP for FCC).

fido caen rfid

 

Key highlights:

  • Integrated circular polarized antenna with extended range
  • Optional barcode scanner for hybrid RFID + barcode applications
  • Integrated wireless charger to power smartphones while docked
  • Bluetooth® 4.2 Smart Ready connectivity
  • 5200mAh battery for >12 hours of operation (100,000 tag readings)
  • SP-Connect™ universal mounting
  • IP65 rating for tough work environments

With a more robust build (weighing 374 grams), fIDo is suited for applications such as warehouse management, asset tracking, and service/maintenance operations where operators may need more autonomy and added functionalities on the field.


Side-by-side overview

caen rfid skid fido

Whether you need a lightweight companion for fast-moving environments or a rugged device for more demanding field applications, both skID and fIDo bring the power of RAIN RFID directly to your mobile devices.

Need help choosing the right solution?

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