![[OPTIONAL] Multi-network UK SIM for Back-up Connectivity [£100 P.A.]](http://controlfreqgsm.com/cdn/shop/files/cficon_f842e888-1ac0-43ef-b828-9a16f3f42f78_1024x1024.png?v=1712165419)
[OPTIONAL] Multi-network UK SIM for Back-up Connectivity [£100 P.A.]
£144.00
Product Code: VOICE-SIM
Added 4G voice call connectivity with multiple network back up in the case of primary IP comms failure – billed annually.