Marine Walkie Talkies 6W 1W VHF Two Way Radios Floating Handheld Transceiver Item Type: Handheld VHF TransceiverMaterial: ABSTransmit: 156.025-157.450MHz Receive: 156.050-163.275MHz Transmission Type: FM (16K0G3E) Battery: 1500mAh lithium battery x 1 (DC 7.4V) (built in) (Battery Model: BP M005) Frequency Stability: ±10PPM Working Temperature: -20℃ - +55℃ Antenna Impedance: 50Ω Output power: 6W 1W Maximum Frequency Deviation: ±5KHz Stray Radiation: ≤0.25μw Adjacent Channel Power: ≥70dB Audio Distortion: ≤10% Current Consumption: ≤1.5A (high power), ≤0.7A (low power) Audio Output: ≤0.2A (maximum) Sensitivity: ≤0.22μV Noise Suppression Sensitivity: ≤0.22μV Signal to Noise Ratio: ≥40dB Adjacent Channel Selectivity: ≥70dB Spurious Response Immunity: ≥70dB Intermodulation Immunity: ≥68dB Audio Output Power: ≥0.5W (10%)