plese get me details for gsm modem
What GSM modem?
Why can't you get details about it yourself?
www.google.be/url://www.youtube.com%2Fwatch%3Fv%3DgbQVIonXY9I&ei=wqgAToiQNYHqObrqlZAO&usg=AFQjCNGzEoK3tOaAK0sucj4Qjli_k5HOeA
?