Hardware Checklist

Selecting compatible devices is essential because they support seamless and reliable operation of Grubtech applications such as gPicker, grubKDS, and grubKDS Master. Reducing the risk of technical issues during setup and ongoing use.

Application: grubKDS / grubKDS Master.

For the best experience with grubKDS and grubKDS Master applications, we recommend using the following devices:

1. SUNMI T2S single screen with built-in printer.
2. SUNMI T2 Lite single screen without printer.
3. Samsung Galaxy Tab A7 and Samsung Galaxy Tab A9+ 

The following are the minimum device specifications required for Android devices:

• Recommended screen/tablet size: 10.4 inches 
• CPU: Octa-core 2.2GHz 
• RAM: 3GB / ROM: 32GB 
• Android 7.1.1 and above.

For the devices without printers, please consider the printers mentioned below.

• SUNMI In-built Printer (Available only in SUNMI T2)
• EPSON TM-M30II (Can be connected via USB, Bluetooth and Network IP Address)
• Xprinter XP-N160II (Can be connected via USB and Network IP Address)
• EPOS ECO250 (Can be connected via USB)
• Rongta RP328 (Can be connected via USB and Bluetooth)
• EPSON TM - M10
• EPSON TM-M30
• EPSON TM - M30II-H
• EPSON  TM-T20II
• EPSON TM-T20III
• EPSON  TM-T82III
• EPSON  XP-S200M

Application: gPicker

Here are the devices we recommend for use with the gPicker application:

1. SUNMI P2 Pro
2. SUNMI V2s 

Here are the printers that work seamlessly with the gPicker application:

1. SUNMI In-built Printer

2. Rongta RP328 (Can be connected via Bluetooth)

Important Note: All listed printers require paper with an 80 mm width.