AndroidTV boxes are the most inexpensive devices on the market. However, the support from the vendors is limited and the devices can be unreliable. You do get what you pay for. Good for demo'ing TelemetryTV or in a single-instance deployment. TelemetryTV requires Android 8.0 or later to run.
ASUS Chromebit CS10 measures just 12cm long and is the world's smallest Chrome OS device. It is the most inexpensive way of deploying on ChromeOS. Please be aware that there are performance and storage limitations to this device and you should test your particular use case thoroughly. This device will likely reach end-of-life in late 2020.
The Mini PC represents a variety of options on Amazon from Chinese manufacturers. Inexpensive and reasonably powerful, these devices allow for some relatively decent bang for the buck. You'll need to roll your own solutions, often requiring flashing of drivers and so forth, so this is good solution for those that are very technically minded and cost conscious. We recommend Apollo/Gemini Lake based systems for ideal performance.
If you need an all-in-one TV and device solution, the Sony Bravia TV with AndroidTV is the best option. Please note that you'll need to ensure that you have a model that has Android 8.0 or later to run our software. Test your use case as performance can be limited. Be aware that the TelemetryTV app will not be launched automatically when the TV is powered on, you must do it manually.