Product Description<br><br>ESP8266-12F is an enhanced version ESP8266-12  improve peripheral circuits  four plate board technology  enhanced impedance matching  the signal output is better  whether it is stable or anti-jamming capability  PCB antenna through specialized laboratory testing  a perfect match after ROHS certification  have been greatly improved! For users before selecting the ESP-12  it does not matter even if the product has been made  enhanced version is fully compatible with previous firmware  the pin has added the ESP-12 on the basis of six IO ports  SPI mouth leads  develop more convenient  application more extensive<br><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/ffdc5b4a-7a66-4af2-b8f7-ec1ab38d7866.jpg"  width="834" height="456" onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/ffdc5b4a-7a66-4af2-b8f7-ec1ab38d7866.jpg'; $(this).attr('onerror'，'');" ><br><br><br><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/f3447ba5-50cd-4d16-b091-c1de1f1bd185.jpg"  width="830" height="919" onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/f3447ba5-50cd-4d16-b091-c1de1f1bd185.jpg'; $(this).attr('onerror'，'');" ><br><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/51e94b36-1582-4cbd-8d20-8bdb844dcab8.jpg"  width="830" height="927" onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/51e94b36-1582-4cbd-8d20-8bdb844dcab8.jpg'; $(this).attr('onerror'，'');" ><br><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/b6912981-6400-439a-8303-f79d824f7ceb.jpg"  width="828" height="703" onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/b6912981-6400-439a-8303-f79d824f7ceb.jpg'; $(this).attr('onerror'，'');" ><br><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/b86cead2-1c97-4246-a237-a31b7c5b5264.jpg"  onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/b86cead2-1c97-4246-a237-a31b7c5b5264.jpg'; $(this).attr('onerror'，'');" ><br><br><br><br><br><br><br><br>Packaging Details<br>Unit Type: piece Package Weight: 0.100kg (0.22lb.) Package Size: 10cm x 5cm x 5cm (3.94in x 1.97in x 1.97in)