1) Frequency: 400-470MHz <br><br>2) RF output power: 5W <br><br>3) Wireless Distance: 3-5KM <br><br>4) Channel: 165) Audio distortion: <=10% <br><br>6) Frequency stability: 3ppm <br><br>7) Maximum deviation: <=5KHz <br><br>8) Respond radiation: 60db <br><br>9) Adjacent channel power: 60db <br><br>10) RF sensitivity: 0.20uV <br><br>11) Adjacent channel selectivity: 50db <br><br>12) Spurious response: 50db <br><br>13) Emission current: <=500mA <br><br>14) Rated voltage: DC 3.7V <br><br>16) Battery: 3.7V/2500mAh <div class="params_begin">Specification:</div><div class="params_group"><table border="0" class="params_group_table">  <tr>	<td class="params_group_name">			Package Weight		</td>	<td class="params_props">			<div class="params_prop ">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">One Package Weight</td>			<td class="params_value">				1.55kgs / 3.42lb			</td>					</tr>		  </table>		</div>			<div class="params_prop ">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">Qty per Carton</td>			<td class="params_value">				8			</td>					</tr>		  </table>		</div>			<div class="params_prop ">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">Carton Weight</td>			<td class="params_value">				10.40kgs / 22.93lb			</td>					</tr>		  </table>		</div>			<div class="params_prop last_prop">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">Carton Size</td>			<td class="params_value">				52cm * 37cm * 28cm / 20.47inch * 14.57inch * 11.02inch			</td>					</tr>		  </table>		</div>		</td>  </tr></table></div><div class="params_end"></div> <p>&nbsp;<img src="//lh3.googleusercontent.com/-oYp3-Nj18a0/Vzl4ATG8byI/AAAAAAAAiB0/flsa52IW_io-CXISwM-o_wO6Gth2NbbmgCCo/s829/sg%2Bback.jpg" alt="" /></p>