? Do you use the M50 on a regular basis . If you do, how are you getting on . I have just got an email from Eflow and they have just admitted to me in that email that they are aware of their system not reading some tags on the toll barrier. They say they " will address this area in a timely manner " I complained about this as I use a Tolltag.ie electronic tag and I mentioned this to the customer care taem months ago and they completely denied that they have any problems with their system and only now that I complained to the NRA... read full review »