The Samsung Galaxy Tab S 10.5 WiFi is powered by a Quad-core 1.9 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7 CPU processor with 3 GB RAM. The device also has 16/32 GB internal storage + microSD (up to 128 GB) and a 10.5-inch Super AMOLED capacitive touchscreen (1600 x 2560 , 288 ppi) display. It has a 8MP rear camera and supports Wifi and GPS. It packs in a Non-removable Li-Ion 7900 mAh battery at 6.6mm device thickness and weight 465g, running on Android OS, v4.4.2 (KitKat).
The latest Samsung Galaxy Tab S 10.5 WiFi price in Malaysia market starts from RM2082. It is available in Dazzling White, Titanium Bronze colours.
This is not a GSM device, it will not work on any GSM network worldwide.