Broadlink RM5plus Universal Infrared Remote, Voice Control with Alexa & Google Home, Wi-Fi Smart Home Hub for TV, AC and Audio (IR 38KHz), 2.4GHz Wi-Fi Only

Gotcha. The 'normal' way to do that for a while has been with the various Broadlink RF and/or IR transmitter devices, but HA has a brand new Infrared integration that you might be able to buy/build an IR proxy for if your devices are supported.