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FAQ

What are the dimensions, operating frequency, and electrical specifications of the Sewa K-W2-H call button?

Answer:
The Sewa K-W2-H wall unit measures 85 mm x 85 mm x 10 mm and weighs 0.3 kg. It operates at an RF transmission frequency of 433.92 MHz with a DC 12V working voltage and 10 mA working current.

The Sewa K-W2-H bedside nurse call station is built with a slim wall-mount enclosure measuring 85 mm × 85 mm × 10 mm and has an overall unit weight of 0.3 kg. It is engineered for healthcare and institutional environments requiring clean, low-profile wall installation.

Electrical and wireless transmission ratings for this model include:

  • Operating Frequency: 433.92 MHz
  • Working Voltage: DC 12V
  • Working Current: 10 mA
  • Signal Range: Up to 200 meters wireless transmission reach
  • Flexible Cord Length: 120 cm