1 port Fixed Wireless GSM Gateway Sagem RL300 1.Support DTMF dialing 2.Support of 3V ... Dialer Fixed GSM Gateway Fixed Wireless TerminalThe box contains:-rl300 device,-external power supply,Quick installation guide,Your phone ... must support the SMS featureGSM Analog Gateway SAGEM RL300 how costSAGEM RL300 is a convenient GSM gateway used to connect ... is 50) 1 port Fixed Wireless GSM Gateway Sagem RL300