Paradox wireless detectors has proven to be a market leader in wireless devices. All wireless sensors comes with required batteries. This range is Paradox PMD2, PMD85, DCTXP2 contacts and more.
MG5050 can take max 32 zones whether wired or wireless combined, no RTX3 required as it is build in. For panels like SP6000, SP65 or EVO192 you would require a RTX3 receiver to add wireless. RTX3 adds 32 wireless zones.
All prices excludes 15% VAT: