Kindle Keyboard 3G, Free 3G + Wi-Fi, 6" E Ink Display - includes Special Offers & Sponsored Screensavers : Electronics - Amazon.com
What Kindle e-readers can't connect to 3G anymore? - Good e-Reader
just bought a used 12 year old kindle keyboard and i just realized it came with the coolest leather case with a built in reading light... i'm obsessed, and it works like
3G Networks End in 2022 -- What That Means for Your Kindle Ereader » The Wonder of Tech
Old Amazon Kindle devices will soon lose 3G access | TechCrunch