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 > Firmware version 2024 or later (Can be connected via USB and Bluetooth)

Application: grubOne

grubOne supports several types of printers depending on the device, printer model, and operating system being used. Connectivity options may vary by model.

Supported Printer Compatibility

The table below summarises all compatible printer models, their connectivity options, and supported platforms.

Note: Built-in printers appear automatically in the Discovered Printers list when supported hardware is detected. Network printers can also be added manually via IP address and port number.

Note: To learn more about grubOne printing support, visit grubOne printer setup section. 

• Discover, Add and Troubleshoot Printers
• Supported Printer Types 
• Local Network Permission on iOS
• Manage Connected Printers Settings
• Printer Failure During Order Processing

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.