1、Reduce Noise: Marine radio adopted noise reduction, with high volume and clear sound, reduces ambient noise to improve call experience. 2、Clear Sound: Marine walkie talkies come with a reinforced antenna, provide stable transmission and small sound loss, allow you can hear clearly. 3、Weather Resistant: Short wave walkie talkie adopted IP67 level dust and water proof, which is suitable for any harsh outdoor environment. 4、Usage: Waterproof marine radio with a spare battery compartment, the spare battery compartment can hold 8pcs AA batteries for emergency use. 5、Excellent ABS: Handheld marine radio made of ABS material, with sturdy structure to prevent collision and fall off, which can be used for a long time. Item Type: Marine Walkie Talkies Material: ABS Modulation Mode: AM/FM Frequency Range: 26.965-27.405MHz Frequency Tolerance: ±5.0ppm Frequency Control: PLL Synthesizer Operating Temperature range: -20°C to +55° Current Consumption Send: 2A Maximum Reception: Stationary 0.3A VOL Maximum: 0.8A Antenna Connector: UHF, SO-239 Send Power Output: 4W FM/AM Transmission Interference: Less than 4nW(-54dBm) Frequency Response: 300-3000Hz Modulation Signal Distortion: Less than 5% Output Impedance: 50Ω Receive Sensitivity: Lower than luV at 10dB(S+N)/N Image Suppression: 70dB Adjacent Channel Suppression: 60dB Intermediate Frequency Free: 1st 10.695MHz 2nd 455KHz Automatic Gain Control(Acc): For inputs of 10-50000uV, variation in audio output is less than 10dB and noise is less than 1uV Audio Output Power: 3W into 8Ω Frequency Response: 300-3000Hz Battery Type: 1 x 4100mah Lithium Battery (Included) Spare Battery Warehouse: 8 x AA Battery (Not Included) 1 x Walkie Talkie2 x Antenna 1 x Back Clip 1 x Hand Rope 1 x Battery Compartment 1 x Charging Stand 1 x Power Adapter 1 x Hook And Loop Fasteners 1 x Instruction