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Class A devices are those that are marketed for use in a commercial, industrial or business environment. Class B devices are those that are marketed for use in the home.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Class A. All LoRaWAN end-devices must support Class A implementation. Class A communication is always initiated by the end-device. A device can send an uplink message at any time.If the network server does not respond during these two receive windows, the next downlink will be after the next uplink transmission.

Class B digital device: A Class "B" digital device is a digital device that is marketed for use in a residential environment. Examples of such devices include, but are not limited to, personal computers, calculators, and similar electronic devices that are marketed for use by the general public.

The 802.11 standard specifies operation in four unlicensed frequency bands: 2.4 GHz to 2.4835 GHz, 5.15 GHz to 5.25 GHz, 5.25 GHz to 5.35 GHz and 5.725 GHz to 5.825 GHz.

The Federal Communications Commission regulates interstate and international communications by radio, television, wire, satellite and cable in all 50 states, the District of Columbia and U.S. territories.

NTIA then issues a frequency authorization allowing the user to operate a system on a specific frequency or frequencies at a particular location or within a defined area.

The Federal Communications Commission regulates interstate and international communications through cable, radio, television, satellite and wire.

The Family Radio Service (FRS) is an improved walkie-talkie radio system authorized in the United States since 1996. This personal radio service uses channelized frequencies around 462 and 467 MHz in the ultra high frequency (UHF) band.

A Part 15 device is anything that falls under the regulations within 47 CFR § 15.5. These are unlicensed electronics, which need to adhere to regulations to avoid the risk of interfering with other devices.