HL-590V is our newest product which is R&D on the basis of the function of HL-580V,means VoIP(over Internet Protocol in short which is an analog signal) ,but no LTE.
To digital data packets in the form of data packets in the IP network (IP Network) to do real-time transmission. The biggest advantage of VoIP is the widespread use of Internet and global IP interconnection environment, to provide more than traditional services, better service. VoIP can transmit voice, fax, video, and data services over IP networks, such as unified messaging services, virtual telephony, virtual voice / fax mailboxes, directory services, Internet call centers, Internet call management, teleconferencing, E-commerce, fax storage and forwarding of various information storage and forwarding.
Moreover it add POE function, connect the outdoor CPE. POE (Power Over Ethernet in short) means the cable will supply the network transmitting data and the power. This POE eliminates the cabling, striping, and power supply limitations. And the advantages is centralized power supply. At the same time with energy saving, safety, lightning and so on. Schools, residential, shopping malls, supermarkets, KTV, hotels, guesthouses, etc. can be used.
Cheap Solution: use LTE Outdoor CPE + PoE WIFI router , Save more cost