dbSpectra has formally announced the availability of its latest four-channel, hybrid transmitter combiner, model HC10500-04J. The component operates from 150 to 174 MHz and consists of four dual-stage isolators and a high-power combiner. Rated for 150 W power per channel, the hybrid transmit combiner occupies only two spaces in a rack unit. The unit is air cooled with temperature sensors triggering the fans only when high temperatures are reached. For more information, visit the dbSpectra website at: http://www.dbSpectra.com