Long-Range Wireless Sensor Hub with Temperature & Humidity Alerts – GAOTek
$63.27
$113.25
Description Features Backup battery for emergency use Recognition of up to 100 sensor tags simultaneously Easy USB or SMS configuration Temperature and humidity alarm notifications Low battery level notifications Support for RS 485, Modbus-RTU, and audible/visual devices LED indicators for various status indications Technical Specifications Inner Lithium Battery 3.7 V with 850 mAh (Rechargeable) Power Supply DC 12 V Temperature and Humidity Sensor Range -40 °F to 257 °F (-40 °C to 125° C), 5 % RH to 95 % RH Exterior RF Antenna Enhances RF signal reception Maximum Range in Open Area 3.11 mi (5 km) Working Humidity Conditions Up to 95 % (non-condensing) GPRS Frequency 850 MHz or 900 MHz or 1800 MHz or 1900 MHz RF Frequency 433 MHz Modulation LoRa Interface GPRS or RS 485 or Modbus RTU Transmit Interval User definable, adjustable from 1 minute to 60 minutes Sensitivity of Receiving -148 dBm Working Temperature Conditions -4 °F to 140 °F (-20 °C to 60 °C) Dimensions 4.41 in x 4.13 in x 1.06 in (112 mm x 105 mm x 27 mm) Weight 9.52 oz (270 g)
