Main Features:<br />Battery life: About 10 hours<br />Work temperature: -20 centigrade degrees to +60 centigrade degrees<br />Frequency combination: PLL frequency synthesis<br />Work way: Different / same frequency signal work<br />Transmitter electric current: No more than 1200mA<br />Receiver electric current: No more than 400mA<br />Spurious radiation: No more than 7.5 micro watt<br /><br />    Specifications<br />General<br />  Brand: Baofeng                                                  <br />                        Model Number: BF - 777S                                                  <br />                        Frequency Bands: UHF                                                  <br />                        Channels: Under 20 Channel                                                  <br />                        Frequency Stability: +/- 2.5 PPM                                                  <br />                        Feature: Long-lasting Battery Life                                                  <br />                        Main Functions: VOX， Minitor， Busy Channel Lockout (BCL)， Time-Out Timer (TOT)， PC Programmable                                                  <br />                        Special Function: With Flashlight， 50 CTCSS / 210 DCS， Squelch Level， Battery Save， Low Power Alarm， High / Low Voltage Protection， Scrambling Function， Voice Compression / Expansion                                                  <br />                        Power Supply: 1 x 3.7V / 1500mAh Lithium Battery                                                  <br />                        Voltage: DC 3.7V (Lithium Battery)                                                  <br />                        Antenna Impedance: 50hm                                                 <br />Transmitter<br />  Output Power (high/low): Less than 5W                                                  <br />                        Maximum Frequency Deviation (broadband/narrowband): Less than 5KHz (W)， Less than 2.5KHz (N)                                                  <br />                        Adjacent Channel Power: 65dB (W)， 55dB (N)                                                  <br />                        CTCSS/CTTCS Frequency Deviation (broadband/narrowband): 0.7 +/- 0.1KHz (W)， 0.4 +/- 0.1KHz (N)                                                  <br />                        Modulation Type: FM (F3E)                                                 <br />Receiver<br />  Receiveing Sensitivity (broadband/narrowband): Less than 0.20 micro voltage (12dB SINAD)                                                  <br />                        Audio Power: 1W                                                  <br />                        Audio Distortion: 5 percent                                                  <br />                        Intermodulation (broadband/narrowband): More than 65dB (W)， More than 55dB (N)                                                  <br />                        Adjacent Channel Selectivity (wide/narrow): More than 65dB (W)， More than 55dB (N)                                                 <br />Weight / Dimension<br />  Product Weight: 0.103 kg                                                  <br />                        Package Weight: 0.440 kg                                                  <br />                        Product Dimension: 9.7 x 5.7 x 29 cm / 3.81 x 2.24 x 11.40 inches                                                  <br />                        Package Dimension: 24.5 x 19 x 6.5 cm / 9.63 x 7.47 x 2.55 inches                                                 <br />Package<br />  Package Contents: 1 x BF-777S Walkie Talkie， 1 x Antenna， 1 x 3.7V 1500hAh Lithium Battery Pack， 1 x Belt Clip， 1 x Power Adapter， 1 x English Manual                                                 <br /><br /><br /><br />                                            <br />                                                <br />