Ting GSM SIM Card &ndash; Average Monthly Bill is $23. No Contract, Universal SIM, Nationwide Coverage, Only Pay for What You use. Ting GSM SIM is die cut to fit phones that use a Nano all the way up to a full size SIM Only pay for the minutes and data you use each month Nationwide coverage on a well known GSM network Average Ting bill of just $23 per Phone on an account Unlimited phones in One manageable account.