Milesight GS301 Bathroom Odor Detector

Reference: GS301-868M

GS301 is a 4-in-1 LoRaWAN® bathroom odor detector that detects ammonia (NH3) and hydrogen sulfide (H2S) gas based on the electrochemical principle. The GS301 can also detect temperature and humidity to fully understand the bathroom environment. When the NH3 or H2S gas concentration reaches the preset threshold, the detector will trigger both the LED light alarm and a buzzer to notify people to ventilate in time, which is an important part of the smart bathroom solution. Besides local alarms, GS301 can also report the sensor data and alarm messages remotely using LoRaWAN ® technology. Integration with Milesight LoRaWAN

Gateway and Milesight IoT Cloud solution, users can monitor all sensor data and control the device remotely and flexibly. In addition, the GS301 supports Milesight D2D to enable ultra-low latency control without gateways.

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Description

Wireless Transmission	Protocol	LoRaWAN^® , Milesight D2D
	Frequency	CN470/IN865/RU864/EU868/US915/AU915/KR920/AS923-1&2&3&4
	Tx Power	16 dBm (868 MHz)/19 dBm (470 MHz)/22 dBm (915 MHz)
	Sensitivity	-137dBm
	Mode	OTAA/ABP Class A
Sensors
Ammonia (NH₃)	Detection Principle	Solid Polymer Electrochemical
	Range	0 ~ 10 ppm
	Accuracy	± 5% (-40 – 35°C)
	Long-term Stability	< 1 % accuracy drift per month
	Resolution	0.01 ppm
Hydrogen Sulfide (H₂S)	Detection Principle	Solid Polymer Electrochemical
	Range	0 ~ 5 ppm
	Accuracy	± 5% (-40 – 35°C)
	Long-term Stability	< 1 % accuracy drift per month
	Resolution	0.01 ppm
Temperature	Range	-40 – 85°C
	Accuracy	± 0.2°C
	Resolution	0.01°C
Humidity	Range	0 – 100%RH
	Accuracy	± 2%
	Resolution	0.5%RH
Others	LED& Buzzer	1 × Status/Alarm Indicator + 1 × Buzzer
	Button	1 × Reset/Reboot Button
	Configuration	Mobile App via NFC
	Advanced Feature	Milesight D2D Controller
Physical Characteristics	Power Supply	4 x 4000 mAh ER18505 Li-SOCl2 Replaceable Batteries
	Sensor Life	> 3 Years
	Battery Life	Around 3 Years (10 min interval)
	Operating Temperature	-40°C – 55°C
	Relative Humidity	0% – 95% (non-condensing)
	Ingress Protection	IP30
	Dimension	120 × 85 × 32.5 mm (4.72 × 3.35 × 1.28 in)
	Material & Color	PC+ABS (Flame Retardant), White
	Installation	Wall Mounting

Product Details

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Attachments

gs301-datasheet-en

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About Milesight

With a focus on 5G, AI, IoT and LoRaWAN, Milesight is a fast-growing and innovation-driven technology company. With advanced IoT insights, the company is committed to driving the next level of technology innovation and business efficiency in an actionable and locally customized manner.Milesight offers a comprehensive product line ranging from multi-megapixel network cameras and NVRs to video management software, meeting various video surveillance needs from entry-level to high-end. Click to browse the Milesight product line.