... 12 key: a, b, c, A, B, C, 23 key:d, e, f, D, E, F, 34 key:g, h, i, G, H, I, 45 ... For GPRS connection, User name and password is not a must in the most countries.So call your GSM ... operator to confirm.If User name and Password is a must in your country, please entry the related info ... marked on GSM/GPRS module, can not modifyProduct Model: G-FM300Note Print 5-1-1New order arrived, GPRS Printer will ...