PORTech is a manufacturer in Taiwan. Major in 1-2 ports VoIP GSM Gateway, 1/4/8 ports Follow Me GSM Gateway / GSM Fixed Wireless Terminals,E1/T1 PRI GSM Channel BANK,Skype GSM Gateway(4 Port Skype,FXS,FXO,GSM),Skype USB Adapter,4 port skype gateway(Build in pc),Smart power Monitor~Remote power off/ power on/ reboot via PSTN and WEB.

MT-350/MT-354/MT-358 1/4/8 ports GSM Fixed Wireless Terminals (FXS,FXO,GSM),Follow ME GSM Gateway
Dual band:900/1800MHZ
Tri band:850/1800/1900MHZ
Cost saving effect- Make call from fixed lines (PBX or PSTN) to GSM networks and From GSM network to fixed lines), and enables up to 4/8 simultaneous calls to/from GSM networks.
1.FXS,FXO,GSM interface.
2.Dial plan (GSM Prefix No.Setting (50 sets))
3.Auto-select economic route ( LCR )
4.Only 1 (MT-350/MT-354) or 2(MT-358) antennas
5.Polarity reversing function
6.Follow me-Call-transfer feature (GSM TO PSTN,PSTN TO GSM)
-PSTN to GSM:
An incoming call of PSTN will be transferred to specify GSM no.
- GSM to PSTN:
1. GSM in PSTN out, give you a prompt "du" and you can enter any
destination number
2.An incoming call of GSM will be transferred to specify PSTN no.

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