Amped Wireless ALLY-R1900


 * • 1300Mbps - 3SS 5GHz 802.11ac (80MHz chan.),
 * • 600Mbps - 4SS 2.4GHz 802.11n (40MHz chan.) = AC1900 class

Overview
"1244-01001429-50Z" is silkscreened on the board in the FCC photos.

Presumably also known as ALLY-R1900K when sold as part of the ALLY Plus Whole Home Smart Wi-Fi System (ALLY-0091K).
 * Amped Wireless ALLY-R1900K Router
 * Amped Wireless ALLY-00X19K Range Extender

All Amped Wireless ALLY devices appear to be based on the same hardware with some parts removed for the extenders and capabilities changed in software.
 * ALLY-00X19, ALLY-00X19K, ALLY-00X21K,
 * ALLY-R1900, ALLY-R1900K, ALLY-R2100K

Reviews

 * Amped Wireless ALLY Plus On NetworkWorld
 * Amped Wireless Ally Plus Whole Home Wi-Fi System On TweakTown
 * Amped Wireless ALLY Whole Home Smart WiFi System On NerdTechy