Topcon's small, light and job site tough TRL-35 digital 35-watt UHF radio utilizes digital signal processing (DSP) technology. At only 6-inches by 2.9-inches by 2.8-inches (height, width and depth, respectively), the TRL-35 is small but packs a powerful punch. The UHF radio is 100 percent dust-proof, rain-proof and has an IP66 environmental rating. The radio also features: Longer range in difficult conditions than older UHF technology; Frequency programming capability in the 410-470 MHz range; Adjustable for 1, 2, 5, 10, 25, 35 watts; Compatible with Topcon's HiPer, HiPer+, HiPer XT and GR-3 integrated rover receivers and Topcon's base receivers and; Compatible with PacCrest PDL and TrimTalk communications technology.