Type:GSM Port Number:1 Working Frequency:GSM/GPRS 900/1800/1900Mhz,UMTS 900/2100 MHz Product name:3G fixed wireless phone Language:English and Spanish back up battery:available Antenna interface:TNC interface Caller ID display:support SMS:support weight:0.7KG color:black size:270*215*80mm Warranty:1 year Show More