1,ISO 9001:2008; 2,High Isolation; 3,Low Insertion Loss; 4,Customization r&d; 5,quality and quantity guaranteed. ItemTechnicalTX-Frequency(A)CDMA 870-880MHz(B)GSM 930-960MHz(C)DCS 1805-1850MHz(D)3G 2010-2145MHz or 2.4G 2400MHz Power supplyAC220V±10% 45-55HzOutput power10WShielding area2-40MWork timeLong time continuous workApplicationsCinema,Library,Museum,Hotel,Church ,The school ,Hospital, ...