TP Link MR100 4G Cat4 LTE Single Band Router with Unlimited O2 Data SIM Card Bundle. 12 month contract @ £30 inc VAT per month OR 3 month contract @ £35 inc VAT per month. Your 1st and subsequent months will be collected via a Direct Debit. SIM card is activated as soon as the buyer completes the Direct Debit mandate with The Technology Doctors.