3G 4 Port GSM-Voip Gateway

About this item 8 VoIP Channels 4 GSM Ports 2 FXO Ports 2 FXS Ports Product information Product Dimensions 16 x 3 x 10 inches Manufacturer Matrix ComSec ASIN B00ETM0JU6 Item model number MAT-SETU-VGFX8422-3G Is Discontinued By Manufacturer No Date First Available August 28, 2013 Warranty & Support Product Warranty: For warranty information about this product, please click here Feedback Would you like to tell us about a lower price?