SM-5503 Active RFID Key Fob

The SM-5503 Active RFID Fob puts long-range key and asset control right in the palm of your hand. Set an alarm for keys and other controlled assets that are not allowed to leave a zone, an office, a building, a work area or yard. Our active RFID fobs are waterproof and can be read using one of our 2.4 GHz active RFID readers.

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RF Parameter
  • Operating Frequency: 2.4-2.48GHz
  • Output Power: -6dBm


Basic Parameters
  • Basic ID: 4-byte
  • Operating Mode: Active operating mode
  • Signal Interval: 500ms (can be customized)
  • Battery Life: 4–year life (related with the operating mode and output power)
  • Reading Distance: 0-150m (tested with SM-5526 reader in a open environment)


Mechanical & Electrical Performance
  • Dimensions: 2.0 in × 1.2 in × 0.4 in (L×W×H)
  • Weight: 12g
  • Power Supply: 450mAh lithium battery
  • Operating Temperature: -40°C~+70°C
  • Humidity: 5%~95% (non-condensing)
  • Waterproof: IP50
  • Shock Resistance: 10~2000Hz,20mm/15g, Triaxial