Interphones can perfectly connect you and your partners while you are performing a task. It is a really good communicator between you and your partners. This BAOFENG UV-B5 99-Chanel High-Performance Interphone Black can support 99 channels, which means multi function. It has high-performance frequency stability. The build is sturdy durable and environmental friendly. It is ideal tool for sending and receiving signal. Besides, it has high softness, which ensures that it won’t be easily distorted. So it is an optimal choice.<!--Features --><p>FEATURES</p><UL><LI>It is a lightweight, compact two-way communication device</LI><LI>Used to stay connected with family or friends at parks, shopping malls, sporting events, concerts</LI><LI>It is a great way to stay in touch with friends, whatever your indoor or outdoor activity</LI><LI>Low battery alert you to replace the battery</LI><LI>Prevent users from receiving unauthorized signal and to the busy channel to send signals keep clean and avoid the interference channel</LI><IMG alt="" src="http://www.image-tmart.com/info_images/88017014-d-1.jpg"></UL><P>&nbsp;</P><!--Specifications --><p>Specifications</p><TABLE style="BORDER-COLLAPSE: collapse" border=1 cellSpacing=0 borderColor=#666666 cellPadding=0><TBODY><TR><TD height=18 width=550 colSpan=2><SPAN><STRONG>Unity Section:</STRONG></SPAN></TD></TR><TR><TD height=19></TD><TD></TD></TR><TR><TD style="BORDER-BOTTOM: black 1pt solid; BORDER-LEFT: black 1pt solid; BORDER-TOP: black 1pt solid; BORDER-RIGHT: black 1pt solid" height=38 rowSpan=2 width=216><SPAN>Frequency Range:<SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN></SPAN></TD><TD width=334><SPAN>136.00-174.00 MHz</SPAN></TD></TR><TR><TD height=19 width=334><SPAN>400.00- 470.00MHz</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Storage Channel</SPAN></TD><TD width=334><SPAN>99</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Step Frequency<SPAN>&nbsp;</SPAN></SPAN></TD><TD width=334><SPAN>2.5/5/6.25/10/12.5/20/25KHz</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Rated voltage<SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN></SPAN></TD><TD width=334><SPAN>DC 7.4 V</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Battery Capacity</SPAN></TD><TD width=334><SPAN>H-1800 mAh</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Battery Life</SPAN></TD><TD width=334><SPAN>About 10 Hours<SPAN>&nbsp;</SPAN></SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Frequency Stability<SPAN>&nbsp;</SPAN></SPAN></TD><TD width=334><SPAN>÷2.5ppm</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Work Temperature<SPAN>&nbsp;&nbsp;</SPAN></SPAN></TD><TD width=334><SPAN>-20 <SPAN>→</SPAN><SPAN> </SPAN><SPAN>to +60</SPAN><SPAN>→</SPAN></SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Frequency Combination<SPAN>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN></SPAN></TD><TD width=334><SPAN>PLL frequency synthesis</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Antenna Impedance</SPAN></TD><TD width=334><SPAN>50 ┯</SPAN></TD></TR><TR><TD height=33 width=216><SPAN>Wok Mode<SPAN>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN></SPAN></TD><TD width=334><SPAN>Same Frequency<SPAN>&nbsp; </SPAN>simplex Operation or Different Frequency<SPAN>&nbsp; </SPAN>simplex Operation</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Dimension<SPAN>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN></SPAN></TD><TD width=334><SPAN>116x58x 36 mm (Excluded Antenna)<SPAN>&nbsp;&nbsp;&nbsp;</SPAN></SPAN></TD></TR><TR><TD height=18></TD><TD></TD></TR><TR><TD height=18 colSpan=2><SPAN><STRONG>Transmitter</STRONG><SPAN><STRONG>&nbsp;</STRONG></SPAN></SPAN></TD></TR><TR><TD height=19></TD><TD></TD></TR><TR><TD height=19 width=216><SPAN>Output Power<SPAN>&nbsp;&nbsp;</SPAN></SPAN></TD><TD width=334><SPAN>5W/ 2 W</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Modulation Mode(W/N Band)<SPAN>&nbsp;&nbsp;&nbsp;&nbsp;</SPAN></SPAN></TD><TD width=334><SPAN>FM (F3E)</SPAN></TD></TR><TR><TD height=33 width=216><SPAN>Maximum Frequency Deviation (W/N Band)</SPAN></TD><TD width=334><SPAN>&lt;5KHz(W), &lt;2.5KHz(N)</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Spurious Power</SPAN></TD><TD width=334><SPAN>●7.5 ┢W</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Adjacent channel power</SPAN></TD><TD width=334><SPAN>65dB (W) ,55dB (N)</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Spurious Radiation<SPAN>&nbsp;</SPAN></SPAN></TD><TD width=334><SPAN>&lt;-60 dB</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Audio Distortion<SPAN>&nbsp;</SPAN></SPAN></TD><TD width=334><SPAN>&lt;5 %</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>SNR</SPAN></TD><TD width=334><SPAN>45dB(W), 40dB(N)</SPAN></TD></TR><TR><TD height=33 width=216><SPAN>CTSCC/DCS Frequency Deviation(W/N Band)</SPAN></TD><TD width=334><SPAN>0.7÷0.1KHz (W), 0.4÷0.1KHz (N)</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Modulation Sensitivity<SPAN>&nbsp;&nbsp;</SPAN></SPAN></TD><TD width=334><SPAN>8-12mV</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Transmitting Current</SPAN></TD><TD width=334><SPAN>●1200mA</SPAN></TD></TR><TR><TD height=18></TD><TD></TD></TR><TR><TD height=18 colSpan=2><SPAN><STRONG>Receiver</STRONG></SPAN></TD></TR><TR><TD height=19></TD><TD></TD></TR><TR><TD height=19 width=216><SPAN>Sensitivity</SPAN></TD><TD width=334>＜<SPAN>0.20 ┢ V (12dB<SPAN>&nbsp; </SPAN>SINAD)</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Audio Power<SPAN>&nbsp;</SPAN></SPAN></TD><TD width=334><SPAN>1 W</SPAN></TD></TR><TR><TD height=33 width=216><SPAN>Inter modulation Interference Resistance</SPAN></TD><TD width=334><SPAN>◎65dB (W), ◎55dB (N)</SPAN></TD></TR><TR><TD height=33 width=216><SPAN>Adjacent channel <SPAN>Sensitivity (W/N Band)</SPAN></SPAN></TD><TD width=334><SPAN>◎65dB (W), ◎55dB (N)</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Audio Distortion</SPAN></TD><TD width=334><SPAN>5%</SPAN></TD></TR><TR><TD height=19 width=216><SPAN>Receiving Current</SPAN></TD><TD width=334><SPAN>● 400m A</SPAN></TD></TR></TBODY></TABLE><!--Package Includes --><p>Package Includes</p><UL><LI>1 x Interphone</LI><LI>1 x US Standard Charger</LI><LI>1 x 2000mAH Li-ion Battery</LI><LI>1 x Charger Dock</LI><LI>1 x Antenna</LI><LI>1 x Clip</LI><LI>1 x Strap</LI><LI>1 x User Manual</LI></UL><!--Extra Info --><!--produts_compatibility -->