Complex sentence: In response, some of the bigger amateur radio equipment manufacturers like Yaesu and Icom started producing equipment for 1.25 meters, however it never sold well and by the early 1990s, most manufacturers had stopped producing equipment for the band.
Split into simpler sentences: In response, some of the bigger amateur radio equipment manufacturers started producing equipment for 1.25 meters. However, it never sold well, and by the early 1990s, most manufacturers had stopped producing equipment for the band.