18-port, in context of electronic security, typically refers to a network switch OR a recorder with 18-channels support.
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TP-Link Omada Easy Managed Switches Promo
Cloud Managed PoE SwitchesOmada Networks ES220GMP
Read moreOmada Networks ES220GMP 20-Port Gigabit Ethernet Easy Managed Network Switch with 16 * GbE PoE+ Ports + 2 * GbE LAN Ports + 2 * SFP Slots – 250w PoE Power Output – Centralized Cloud Management Via Web OR Omada App
