Shenzhen Ogemray Technology GWF-2C1T

Test report lists an additional model of 3C1T. The 2C1T units probably all use RT2070s (b/g only) while the 3C1T uses an RT3070 (b/g/n).

External photos show the device labeled with 'Dune HD Air' (most likely a 3C1T unit).

Product page for the 2C1T