Customer Interface Unit

HD21 is a customer interface unit designed for simplicity and user-friendliness. Shaped in a mobile phone form factor, it gives user the familiarity of a 3 x 4 keypad that is smooth to the touch and ease of one hand operation. HD21 is equipped with comprehensive functions like topping up credits via STS, reading household’s instantaneous energy consumption, identifying alarm indicators on LCD, buzzer on low credit and many more.

Product Available In:

  • Africa & Middle East
  • Americas
  • Asia
  • Australasia
  • Europe

Key Features

Key Specifications

Supported Meter Types:
  • Mk32
  • Mk7MDC
  • Mk10M*

*Under development

  • Radio Frequency
    – Open air communication distance <100m
    – Frequency Bands: 433MHz
    – Transmit Power: 20 dBm
  • Voltage & Power Supply Type
    – 3V DC(2xAAA non-rechargeable batteries) or 5V DC (Micro USB connector)
Dimension and Weight
  • 121mm (H) x 18mm (W) x 61mm (D)
  • Weight: 76g (without battery)