i have a RMC electronics mount that i purchased and never used still NIP 100.00 TYD ,,here is the link to the product
i also have an extra 109H ram mount which would be a little overkill for the 525LMS
keep an eye on BBC these items come acc. come around pretty regular or stick a WTB thread on
Wanted to Buy - Other Than Fishing Tackle

E~Lok Electronics Mount (Swivel Head) - RMC BoatWorks