OEM factory direct mini fast 10 / 100mbps 3-port Ethernet network lan hub switch board two-layer pcb 3 rj45 5V 12V port - AliExpress
SwitchBlox Nano - Micro Ethernet Switch 3 Port Network Switch
Tycon 3 Port Gigabit 802.3af/at PoE Switch/Extender - TP-SW3G ...
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TL-SL1311MP | 8-Port 10/100Mbps + 3-Port Gigabit Desktop Switch with 8-Port PoE+ | TP-Link Türkiye
ALLNET ALLSGI800: Switch, 3-Port, 2,5 Gigabit Ethernet, PoE+++, SFP at reichelt elektronik