: A detailed Technical Instruction Manual is hosted by the FCC, covering transmitter and receiver specifications. 🛠️ Key Technical Specifications SRG-1150DN is an MF/HF radio equipment designed for GMDSS compliance: Frequency Range : 1.6MHz to 27.5MHz for transmission. Output Power : 150W (SRG-1150) or 250W (SRG-1250). Display : 10.4-inch color LCD screen.