SAGEM RL300 GSM fwt with SMS function and internal antenna Hot Sale! To handle a second call, press r2, to accept, swap between calls. SAGEM RL300 is a convenient GSM gateway used to connect phone to access GSM network To handle a second call, press r2, to accept, swap between calls. View and Download Sagem Rl300 user manual online. GSM Gateway. rl300 gateway pdf To handle a second call, press r2, to accept, swap between calls. SAGEM RL300 GSM Fixed Wireless Terminal / FWT / Converter / Fixed Cellular Terminal To handle a second call, press r2, to accept, swap between calls.ℹ️ Download Sagem rl300 Manual (Total Pages: 5) for free in PDF. To handle a second call, press r2, to accept, swap between calls. During the call the led will be switched off. SMS. RL300 supports SMS sending and receiving.*please check your phone manual to check if it supported and usage