To motorise my system I bought
Motek SG2100A - £48 delivered from ebay
Thick Steel Pole and heavy duty T&K Brackets- £26 from JW Hardy in Birmingham
Don't forget Wall plugs and bolts,U bolts,and to get 2 F connectors and some coax cable to make a patch lead.
All you then need is to read the advice on how to set it up on this superb forum,a dry day and plenty of patience!