ASUS Japan released today the SIM FREE version of the 9.7 inch size ZenPad 3S 10 LTE tablet. The tablet costs 44 800 Yen + tax which is 48 384 Yen with tax.
It should be noted that the tablet works with all the available SIM cards in Japan (and out side of Japan in selected countries).

The new ZenPad 3S 10 LTE comes with 6.0.1 Android OS, Qualcomm Snapdragon 650 CPU, Adreno 510 GPU, 4GB RAM and with 32 GB buil-in storage what you can expand with microSD card. The battery is a 7800 mAh one and the tablet comes with USB Type-C and with 4.2 Bluetooth.

The tablet supports the following LTE bands: FDD-LTE 1/3/5/7/8/9/18/19/20/26/28, TD-LTE 38/41 and the following 3G: W-CDMA 1/5/6/8.
More information can be found on the official website.