gsm fixed terminal fixed wireless terminal Support polarity reversal signal Provide RMS Support extended accumulat gsm fixed terminal gsm fwt fixed wireless gsm terminalDetailsFeatures Simple to ... 850MHz, GSM 900MHz, GSM 1800MHz GSM 1900MHz, GSM 850/1900MHz, GSM 900/1800MHz, GSM 900/1900MHz Frequency ... ppm Receive sensitivity:< -100 dBm Transmit power:< 2W (850/900 MHz), < 1W (1800/1900 MHz) SIM card ...