Online Store › Selectronic Wireless RS485 link - SP PRO to SCERT ABB Inverters Image 1 of 1 Selectronic Wireless RS485 link - SP PRO to SCERT ABB Inverters $646.00 sold out Sold Out Added! Provides wireless communications between an SP PRO and a distant ABB UNO DM+ SCERTMax distance 200m (line of sight)Mounts external to inverterNot suitable with SP PRO Series 1 Provides wireless communications between an SP PRO and a distant ABB UNO DM+ SCERTMax distance 200m (line of sight)Mounts external to inverterNot suitable with SP PRO Series 1