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which is a 'true' CO2 sensor that will tell you the CO2 PPM (parts-per-million) composition of ambient air
This board has one (1) on-board relay which can switch up to 10Amps
Nominal Capacity (mAh): 2200
The range of usable ambient light conditions is from 1 to more than 5000 Lux
Fiberglass Waterproof LoRa High Gain Antenna with Lightening Arrestor (868Mhz) - WPA WPC Certified voltmeter which is a 'true' CO2The antenna has aN Type connector, so it can be easily connected to the gateway and all other helium miners. The antenna can be used in any environment that requires a long distance LoRa connection, for agriculture, environmental monitoring, and urban monitoring. Specification: Model: 5dBi Gain Antenna Frequency: 868MHz Antenna gain: 5dBi Antenna ConnectorN J Efficiency: 60% Radiation mode: omnidirectional Maximum Power: 50W Polarization: linear
US$ 39.95
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