noun
special low-power wireless transceiver
A regulated category of low-power radio equipment in Japan, often used for specific short-range communication under technical standards.
この特定省電力無線機は、免許不要で使用できます。
This special low-power wireless transceiver can be used without a license.
A broader term for low-power wireless devices; 特定省電力無線機 is a specific subcategory defined by Japanese radio regulations.
Compound of 特定 (specified), 省電力 (power-saving), and 無線機 (wireless device), reflecting its regulatory definition.