... Elegant appearance,simple installation ,stable performance. 3dBi omni ceiling indoor antenna for GSM, CDMA, WCDMA MODELIO8025-03360Frequency 824-960/1710-2500MHzGain 824 ... °C~+70°CRadiating Element MaterialcopperRadome MaterialABS 3dBi omni ceiling indoor antenna for GSM, CDMA, WCDMA