Description:<br />This product leads out download interface and frequently-used IO port， standard 2.0 mm pin connector and open frequency band. It is compatible with all official application.<br /><br />Main Features: <br />● Working frequency band: 2.4GHz<br />● 16-transmission channel<br />● Switch to reliable communication channel according environment<br />● Wireless transmission rates up to 250Kbps<br />● Receiving current: <br />    Specifications<br />General<br />	 Model: CC2531                                                  <br />                        Material: CCL + Components                                                  <br />                        Compatibility: Ardunio                                                	<br />Weight and Size<br />	 Product Weight: 8 g                                                  <br />                        Package Weight: 0.06 kg                                                  <br />                        Product Size(L x W x H): 5.9 x 1.8 x 0.4 cm / 2.32 x 0.71 x 0.16 inches                                                  <br />                        Package Size(L x W x H): 20 x 14 x 3 cm                                                	<br />Package Contents<br />	 Package Contents: 1 x USB Dongle ZigBee Adapter                                                	<br /><br /><br /><br />                                                <br />