GSM FWP 800/450/1900MHz Two-way SMS, voice mail, and caller ID Last ... power supply Read SMS GSM FWP Fixed Wireless Phone 800/450/1900MHz Functions: (1)Large, easy to read, backlight LCD with ... English, Spanish, Arabic, ItalianTechnical specifications:(1)Frequency CDMA 800 or 450 or 1900MHz(2)Maximum transmitting power > 23dBm at 50 ohms ...