SM-5221B 125Khz Activator

The SM-5221B is designed to work with our dual frequency LF wake up tag. The SM-5221B sends an LF signal to the standby status wake-up RFID tag and activates it in a radius of up to 7 meters (adjustable by software). The activator comes with a built in antenna and standard RS-485 port.

Applications: This 2.4 GHz Omni-directional RFID Reader is designed for use in access control, wander management, student attendance, people tracking and access management, inventory, warehouse and mining applications.

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RF Parameter
  • Operating Frequency: 125KHz±1KHz
  • Tag Activating Area: 0-7m (Activating radius adjustable)
  • Modulation Type: Adjustable by software (RS485) or set by hand
  • Antenna Output Power: 5W
  • Activator ID: 8 bit
  • Working Indicator: LED, Buzzer


Mechanical & Electrical Performance
  • Dimensions: 188mm×88mm×40mm (L×W×H)
  • Weight: 225g
  • Working Voltage: DC 24V (compatible with DC16-28V)
  • Power Consumption: 7W
  • Operating Temperature: -40°C~+60°C
  • Storage Temperature: -40°C~+80°C
  • Humidity: 5%~95% (non-condensing)
  • Waterproof: IP68