RTE25 is a 2.5 W RF transmitter/exciter in a 1U rack package. It provides 16 switchable frequencies across three ranges: 140–250 MHz, 300–360 MHz, and 470–880 MHz, with a wide pre-tuned switching window (15–25 MHz). The unit supports user PC reprogramming within the window and factory frequency re-allocation across the full range. It delivers FM modulation with NR options and maintains high audio quality for complex multi-channel systems.