Grandstream GXW4504 Digital VoIP Gateway featured It also works with non-PoE

It also works with non-PoE wired devices

It is supported by Grandstream’s DP750 and DP752 DECT VoIP base stations and delivers a combination of mobility and top-notch telephony performance

Media Converters to provide high speed and stability

Thunderbolt 3 standard

Grandstream GXW4504 Digital VoIP Gateway featured It also works with non-PoEGrandstream GXW4504 Digital VoIP Gateway with TLS and SRTP security encryption technology to protect calls and accounts, Software configurable E1 T1 J1 port and supports PRI, SS7 and MFC R2, Dual Gigabit network ports with a configurable integrated NAT router, Supports up to 120 concurrent calls, multi language voice prompts and T. 38 fax