Taking along with a workable walkie talkie is very necessary and important for outdoor activity enthusiasts. We cannot predict emergencies in advance， so preparing some useful equipment in case of urgent needs is a must-do thing. You can have a try of this UV-5RB 5W 136~174MHz/400~520MHz Dual-band Dual-display Wireless Multifunction Walkie Talkie. As its professional design and dependable components， it features strong and durable texture as well as receives great signal smoothly. The frequency range is really quite vast and the receiving sensitivity is unmatched. Besides， dual-band dual-display design makes it multifunctional. You will get what you paid for.                                    Features             Adopt superb material to ensure its lightness and durability<br> It can store numerous channels up to 128<br> Dual-Band and dual-display design<br> Low output power is energy-saving and environmentally-friendly<br> Wireless frequency modulation is convenient to use<br> With antenna impedance to protect it well<br> Built-in rechargeable Lithium battery for recycling use<br> The high signal receiving provides you with smooth running and clear sound without much noise   <br>                                                            Specifications             Frequency Range     VHF 136-174 mHz (Rx/Tx). UHF 400-520mHz (Rx/Tx);    <br> Memory Channels     Up To 128 Channels    <br> Frequency Stability     2.5ppm    <br> Frequency Step     2.5kHz / 5kHz / 6.25kHz /10 kHz/ 12.5kHz /25kHz    <br> Antenna Impedance     50Ω    <br> Operating Temperature     -20°C To +60°C    <br> Supply Voltage     Rechargeable Lithium-Ion 7.4V/1800mAh    <br> Consumption In Standby     ≤ 75mA    <br> Consumption In Reception     380mA    <br> Consumption In Transmission     ≤ 1.4A     <br> Mode Of Operation     Simple Or Semi-Duplex    <br> Duty Cycle     03/03/54 Min (Rx/Tx/Standby)    <br> RF Power     4W/1W    <br> Type Of Modulation     FM    <br> Maximum Deviation     ≤ ±5kHz / ≤ ±2.5kHz (W/N)    <br> Spurious Emissions                             Package Includes            1 x Antenna<br>1 x Battery<br>1 x Charger<br>1 x Adapter <br>1 x Interphone<br>1 x Instructions<br>