Tool of the week: Rf Explorer

RF Explorer – ISM Combo and Handheld Spectrum Analyzer 240 – 960 MHz and 2.35 – 2.55 GHz

https://www.amazon.com/dp/B00H4B9A0E/ref=cm_sw_r_cp_api_i_PlLiDbYF7E5WQ

Wide band coverage to all popular sub-1Ghz ISM bands and 2.4GHz band, including 315MHz, 433MHz, 868MHzand 915MHz, 2.4GHz WiFi, Zigbee, also including UHF TV, 70cm and 33cm HAM radio, GSM, etc. Any frequency from 240MHzto 960MHz and 2350MHz to 2550MHz is supported

j2networks family of sites
https://j2sw.com
https://startawisp.info
https://indycolo.net