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4 Port Gigabit Unmanaged Harsh POE Switch
L2, Unmanaged, 4 Gigabit PoE ports, 2 Gigabit SFP Uplink, 802.3af/at/bt, port 1 support Hi-PoE 60w, power budget≤110w ( based on power supply, power supply unit not included ), ports 3-4 support up to 300meter, 6KV surge protection, supports POE watchdog, port isolation, -40~75°C, DIN rail