While supplies last at T-Mobile (which probably won’t be long), $40 gets you a refurbished T-Mobile AC1900 router (with promo code CPOROUT), which is actually just a rebranded version of the $148 ASUS RT-AC68U, our readers’ favorite router.
Source: Kotaku – It’s Back! Here’s A Ridiculous Deal On Our Readers’ Favorite Wi-Fi Router.