Here you can download the datasheet:
http://www.cdebyte.com/en/downpdf.aspx?id=130
I connected:
Module---Arduino UNO
VCC---5V
GND---GND
TX---10
RX---11
M0---GND
M1---GND
And used the softwareSerial example code:
With setting the softwareSerial baud rate to 9600.