USB + MICRO USB -> SERIEEL CONVERTER

The Product is a Full Speed USB host specifically targeted at providing access to peripheral hardware from an Android platform with a USB device port.

No need OTG function on the mobile phone
Provide power source to charge the Android device
Support data transfer rate from 300bps up to 112,5Kbps
Suitable for use on any Android platform supporting Android Open
Accessory Mode (Typically 3.1 onwards, however some platforms may port Open Accessory Mode to version 2.3.4)
Basic UART interface with RXD, TXD, RTS, CTS pins option
Single chip USB to selectable interface
Entire USB protocol handled on the chip
Micro USB Connect to Android device
USB AMale Connect to USB power
DB9 Connect to RS232 device
FT312D Cgipset