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2GIG Technologies is pleased to announce the Wireless Smoke/Heat Alarm (SMKT3). The SMKT3, 2GIG’s next generation in fire and freeze protection, offers the same reliable functionality and features as the SMKT2 but with the added benefit of freeze detection. It is more customizable than previous models by allowing separation of the smoke, heat, and freeze features enabling the alarm to detect one, two, or all three.


  • Transmitter Frequency: 345 MHz
  • Transmitter Bandwidth: 24 kHz
  • Power: 3 AAA batteries