RF Explorer 4G Combo PLUS - Slim Asset Tracker It uses a weatherproof shield

It uses a weatherproof shield which can make sure the sensors are well protected against UV & radiation

and it is mainly used to detect the outdoor air temperature and humidity

Note: Built-in power inverting protection and over-voltage protection

NOTE: All parameters related to wireless signals in the same network should maintain consistency to avoid communication problems

RF Explorer 4G Combo PLUS - Slim Asset Tracker It uses a weatherproof shieldRF Explorer 4G Combo PLUS Slim RF Explorer 4G COMBO+ is a powerful Spectrum Analyzer, covering the full range starting at 50KHz up to 4GHz with no gaps or limitations. A future firmware license feature will allow it to expand the range up to 5. 1GHz. Features Internal LNA amplifier and selectable attenuator for additional power range handling. Low frequency support from 50KHz covering LF, MF, HF, VHF, and UHF High frequency support covering all ranges