Portech major in 1.E1 /T1 GSM Channel bank2.VoIP GSM Channel bank3.1/2/4/8/16/32 Ports VoIP GSM Gateway4.Remote SIM Bank / SIM Server5.2 ports GSM VoIP PCI Card6.1/4/8 ports GSM Fixed Wireless Terminals(Follow Me GSM Gateway)7.Smart Power Monitor-Remote power manage by PSTN and WEB8. SIM Server Solution for 128/256/512 sims9. Free Roaming Gateway10. ATA VoIP Gateway11.GSM Signal Booster,GSM repeaterQuad Band:850/900/1800/1900MHZ 3G/UMTS Version for all world and Japan (SoftBank Mobile/Docomo) 3G:EDGE/GPRS 850, 900, 1800, 1900 MHz / HSDPA/UMTS 850,2100 MHz CDMA 2000(800/1900MHZ)