The former Ghana striker has been available on a free the last few months after leaving Thai top-flight side Nakhon Ratchasima last year after three seasons.
Sisaket FC, who finished 10th and just eight points above the relegation zone last season, are counting on the experience of Adiyiah to improve their stock in the M150 Championship.
Adiyiah has rich experience after his travels to (Frederikstad) Norway, Italy, Serbia, Ukraine and Turkey.
He played a bit-part role at the 2010 FIFA World Cup finals where Ghana got eliminated at the quarter-final via a penalty shoot-out to Uruguay. Read Full Story