Grandstream Enterprise Layer 2+ Managed Network Switch, 48 x GigE, 6 x SFP+ GWN7806 extension module The GRP2603 features 5-way voice

The GRP2603 features 5-way voice conferencing to maximize productivity

Enterprise-level protection including secure boot

the GXP2140 features state-of-the-art security encryption technology (SRTP and TLS)

video conferencing

Waterproof

Grandstream Enterprise Layer 2+ Managed Network Switch, 48 x GigE, 6 x SFP+ GWN7806 extension module The GRP2603 features 5-way voice48 Gigabit Ethernet ports and 6 Gigabit SFP+ ports Smart power control to support dynamic PoE PoE+ power allocation per port for the PoE models Supports deployment in IPv6 and IPv4 networks Reliability features including fault detection, device protection, dual boot, dual system file redundancy, link aggregation, storm control, and more ARP Inspection, IP Source Guard, DoS protection, port security & DHCP snooping Embedded controller to manage switch;