Since 2018, there are sixteen PMR446 channels (frequencies) that can be used without a licence. These 16 channels are in the range of 446.0MHz to 446.2MHz. This means that there is a space of 12.5KHz between the channels. When using a PMR446 radio, you may occasionally find that someone...
The SUB-GHz frequency band refers to radio frequencies below 1 GHz. Due to the lower attenuation of wireless signals in the SUB-GHz band, these signals can cover greater distances compared to higher frequency bands like 2.4 GHz. Additionally, lower frequency signals are better at penetrating obst...