25W Water-Proof VHF Marine Radio Tc-507m with GPS Functions

Basic Info.Model NO.TC-507MWavelength and FrequencyLong-waveApplicationCivilian, IndustrialConditionNewStandardStandardScreenWith ScreenBrand NameHysModel NumberTc-507mFrequency RangeTx:156.025-157.425MHz Rx:156.050-163.275MHzStorage Channel88channelsType of EmissionFM(16k0g3e),DSC(16k0g2b)Water ProofSupport10 Weather ChannelsSupportWeather AlertSupportChannel SelectableSupportLarge LED DisplayEasy to See ,Easy to OperateTrademarkHYSOriginQuanzhou, FujianProduct Description25W Water-proof vhf marine radio  TC-507M with GPS FunctionsReceiver  TC-507M Product DescriptionMain Functions:1. Dual Bands Frequency Watch For  or Three Bands Frequency Watch For  2.Buil-in DSC3.Favorite Channel Selectable4.Aqua Quake Draining5. 10 Weather Channels And Weather Alert6.Large LED Display (Easy to see ,Easy to operate )7.1 Meter Depth For 30 Minutes  Water-proof ,  IP-X7 Water proof Class8.External GPS Receiver9.  Scan Resume Timer General Frequency Range TX:156.025-157.425MHz RX:156.050-163.275MHz Channel No. 88 channels Type of Emission FM(16K0G3E),DSC(16K0G2B) Frequency Stability ±2.5ppm Work Voltage (V) DC13.8V(±15%) Operating Temperature -20°C~+60°C Antenna Impedance 50Ω Dimensions(W×H×D) 153×67×152mm Weight 742g Transmitter RF Power Output High 25W/ Low 1W Maximum Frequency Deviation ±5KHz Spurious and Harmonic ≤ -70dB(H) ≤ -56dB(L) Adjacent Channel Selectivity ≥70dB TX Audio Distortion ≤10% Current Consumption ≤ 5.5A(High power) ≤ 1.5A(Low power) Input Impedance 2KΩ(Microphone) Receiver RX Sensitivity ≤0.2µV Squelch Sensitivity ±5KHz Adjacent Channel Selectivity ≥70dB Intermodulation Anti-interference ≥70dB Spurious Response Rejection ≥70dB Max RX Current(mA) ≤1.5A Rated Audio Output Power ≥4.5W(10%) GPS Signal Format NMEA0183-2.0 Output Impedance 4Ω (Speaker)