TariffMan specialises in bespoke GSM airtime tariffs for telemetry and M2M applications. However, we all have to start somewhere so we have several base level tariffs which are highlighted below. ALL tariffs are subject to a certain amount of flexibility (even the high street ones) but the amount of movement depends almost entirely upon other factors such as Volume (or quantity) of connections, and ARPU (Average Revenue per User).GP
RS AIRTIME GPRS TARIFFS GPRS RATES GPRS SIMS GPRS CHARGES GPRS ROAMING GPRS COSTS GPRS
"Please be advised that in some circumstances, we have managed to achieve tariffs as low as £nil line rental and £0.30 per Mb."
Please ask us if the tariff that you need is not shown here. 
GSM Flat rate (Nothing included) tariffs
£1.00 Line rental
£0.05 per minute
£0.05 per SMS
GPRS Flat rate (Nothing included) tariffs
£2.00 Line rental
£0.60 per Mb (Megabyte)
£0.06 per SMS
Fixed IP sim (can be bundled or flat rate) Tariffs
£2.75 Line rental
£1.00 per Mb (Megabyte)
£0.05 per SMS
Roaming SIM Flat rate (Nothing included) tariffs
Our Roaming flat rate tariffs start from as little as: Contact us regarding this tariff £4.00 Line rental (or for a one off fee of £40.00 you can have Nil line rental for life)
£3.00 per Mb (Megabyte)
£0.05 per SMS (local network charge may apply)