Ultra Compact RS232 to TTL Converter with Male DB9 (3V to 5.5V)<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"> Ultra compact board size:15 x 14 mm </span></li><li><span class="a-list-item"> DB9 Male Connector (RS232) </span></li><li><span class="a-list-item"> Supports 3V to 5.5V power supply (***The Rx/Tx logic level is equal to the Vcc-supply.*** Vcc: 3.3V -&gt; Rx/Tx High Logic Level: 3.3V. Vcc: 5V -&gt; Rx/Tx: 5V ) </span></li><li><span class="a-list-item"> Includes SP3232E </span></li><li><span class="a-list-item"> 4 pin through hole: VCC， GND， Logic out (TX)， Logic In (RX) and 2 pin through hole: CTS， RTS </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41DLqEoYlqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51YZTHYSZwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41-bpsRpuTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/413dZZHtSaL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/412sFAnJYlL.jpg" noproxy>