I found some blue oval info and I hope it helps

http://www.oki.com/jp/DBG/datadocs/d...msm6636_ug.pdf
http://www.oki.com/jp/DBG/datadocs/d...msm6636_um.pdf
http://www.oki.com/jp/DBG/datadocs/doc-eng/msm6636b.pdf
http://www.okisemi.com/jp/datadocs/d...sm6636b_um.pdf