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E1 GSM Channel Bank
DMT
DMT
 
DMT is a E1 GSM Channel Bank / E1 GSM Gateway
~E1 PRI*1 (or T1 PRI*1) , 3G UMTS *31 (two ways) 
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VoIP GSM Gateway
SIM Server
Free Roaming & VoIP Adapter
E1 GSM Channel Bank
DMT
GSM Fixed Wireless Terminal
Antenna Combiner & Booster
VoIP GSM PCI Card
Smart Power Monitor
SMS Gateway
3 way conference box
IP Speaker
UHF RFID Reader
PORTech Communications lnc.    150, Shiang-Shung North Road, Taichung, Taiwan 403    Tel:886-4-2305-8000    Fax:886-4-2302-2596