Tough, commercial-grade handheld with built-in scrambler and LMR (Land Mobile Radio)channel options.The heavy-duty HX400 combines multiple key features and commercial-tough construction with an optional speaker microphone jack, noise-cancelling microphone and 40 programmable LMR (Land Mobile Radio) channels with CTCSS and DCS signaling.Additional bonuses include built in noise-canceling mic, Voice Scrambler for private communications, Programmable Scan, Ch16 Priority Scan, Dual Watch, Tri-Watch, channel names, 8-channel preset key and a low battery life indicator. Supplied with an ultra-high-capacity 2400mAh Lithium Ion battery and a full compliment of accessories. Key FeaturesLithium-ion battery and charger: The HX400 is supplied with a whopping 2300 mAh Lithium-Ion battery that will keep you talking for about 17 hoursRapid charger: There is no need to worry about the time it takes to fully charge the huge 2300mA battery as the HX400 is supplied with a three-hour rapid chargerMarine and Land Mobile Channels: The HX400 has the capability to be programmed with 40 Land Mobile Radio (137-174MHz) channels with CTCSS or DCS signaling by a Standard Horizon dealerBuilt-in Noise Canceling Mic: The HX400 will surpass your voice transmissions expectations in noisy and windy environments with the built-in noise canceling microphoneVoice Scrambler: No need to purchase an optional voice scrambler for secure communications as the HX400 has it built-in; The internal scrambler is compatible with Standard Horizon VHF Fixed Mount and Handheld VHF 4-code scramblersLoud speaker audio: The HX400 is designed to be heard in even the noisiest environments with 700mW of power supplied to the internal speakerSpeaker Microphone Connection: Optional speaker microphone or headsets are availableProgrammable Channel Names: The HX400 is supplied from the factory preloaded with description of the use of Marine channels (16-Distress, 22A-USCG, 71-Pleasure); The channel names may be customized by the user to easily understand the use of each channelNOAA Weather channels and Weather Alert: 10 NOAA and Canadian Weather channels are pre-programmed and easily selectable using the dedicated WX