Makerfocus Arduino HC-06 Wireless Bluetooth Transceiver Module Slave 4Pin Serial with Dupont Cable<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Frequency : 2.4GHz ISM band </span></li><li><span class="a-list-item"> Speed : Asynchronous: 2.1Mbps(Max) / 160 kbps， Synchronous: 1Mbps/1Mbps </span></li><li><span class="a-list-item"> Profiles : Bluetooth serial port </span></li><li><span class="a-list-item"> Power on， module comes into AT Command Response Status </span></li><li><span class="a-list-item"> Set PIO11 LOW， re-power， then in Master state， automatically search for slave module and connect. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51i9objT37L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Pcaq%2BwyDL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51GaVTA5sKL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41owgpeTJkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41yxRewht%2BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41D-EuTe7XL.jpg" noproxy>