NeweggBusiness - EnGenius ESR-1221 EXT High-Power Long Range Wireless G Router IEEE 802.3/3u, IEEE 802.11b/g
Engenius ESR N300 2.4 GHz high power Wireless AP 300M Gigabit Router with USB Port ESR 300 via DHL|router ap|router gprsrouter variable speed control - AliExpress
ESR-PWR-DC Cisco Power accessory
Cisco 5940 | 3U cPCI Embedded Services Router (ESR) Integrated in X-ES Systems