Specification: Main chip: FT232RL Spindle Definition: CTS, RTS, RXD, TXD, GND, VCC VDC output: 3.3V or 5V USB interface: 2.0. Maximum speed: 921600bps FT232RL devices compatibe with following operating systems: Windows 10 32,64-bit Windows 8/8.1 32,64-bit Windows 7 32,64-bit Windows Vista and Vista 64-bit Windows XP and XP 64-bit Windows 98, 98SE, ME, 2000, Server 2003, XP, Server 2008 and server 2012 R2 Windows XP Embedded Windows CE 4.2, 5.0 and 6.0 Mac OS 8/9, X and above Linux 2.4 and above Android (J2xx) Product Includes: 1 x USB to TTL Module 1 x jumper