Download Data sheet: user-manual-vokkero-guardian-wi-wireless-interface-europe ArticleNo/ P/N: VOKKERO-GUARD-FCE004-WI Radiotype: Vokkero Standard/Plus/Show 4-wire Guardian Wireless interface; Vokkero Standard This Wireless Interface (WI) enables a Connect betweeen a Vokkero Standard system and a compatible fixed installation 4-wire intercom system. Price request Download Data sheet: user-manual-vokkero-guardian-wi-wireless-interface-europe