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HiStone HM638

Commercial POS Tablet

A mobile Windows POS platform that can serve customers on the floor, recharge on a compact dock or become a fully connected checkout station through the optional smart dock.

The HiStone HM638 is designed for commercial teams that need one point-of-sale device to move between mobile service and fixed counter use. Its 11.6-inch Full HD touchscreen, integrated battery and Wi-Fi 6 connectivity allow staff to serve customers away from the checkout counter, while Windows 10 and Windows 11 support the same commercial POS applications used on traditional terminals.

When the tablet returns to a service point, two docking options extend its role. The charging dock provides a dedicated charging and storage position with basic connectivity, while the smart dock transforms the HM638 into a complete counter workstation with Gigabit Ethernet, serial ports, USB expansion, powered USB and cash-drawer support.

HiStone HM638 commercial POS tablet on smart dock

Product Highlights

One device, three deployment formats

Use the HM638 as a portable tablet, place it on the charging dock or connect it to the smart dock as a fixed POS workstation.

Full Windows POS software

An Intel N-series processor and Windows 10/11 support compatible commercial applications used on conventional POS terminals.

Full HD commercial touchscreen

The 11.6-inch 1920 × 1080 capacitive display supports ordering, stock work, customer service and checkout.

Transaction and authentication options

A three-track MSR is standard, while NFC, fingerprint authentication and a dedicated 2D scanner are optional.

Mobile connectivity

Wi-Fi 6, Bluetooth 5.1 and an integrated battery support service away from a fixed checkout position.

Smart-dock expansion

The optional smart dock adds connections for printers, drawers, scanners, network access and other counter peripherals.

Available Configurations

Mobile Windows POS

HM638 tablet

  • Processor Intel N-series CPU; exact processor confirmed during quotation
  • Operating system Windows 10 or Windows 11
  • Memory 8 GB standard; up to 16 GB
  • Storage 128 GB standard; up to 512 GB
  • Display 11.6-inch Full HD, 1920 × 1080, G+G capacitive touch
  • Battery 7.6 V, 4415 mAh
  • Wireless Dual-band Wi-Fi 6 and Bluetooth 5.1
  • Standard reader Integrated three-track MSR
  • Cameras 8 MP rear autofocus and 5 MP front autofocus
  • Tablet I/O 1 USB Type-C; 20 V, 65 W charging through Type-C
  • Dimensions 279.6 × 184.2 × 14.2 mm
  • Weight 900 g
  • Colour Dark gray
Recharge and Store

Charging dock

  • Power adapter 20 V, 65 W through Type-C
  • USB 2 USB 2.0
  • Charging connection 1 Type-C
  • Network 1 LAN
  • Dimensions 221 × 191 × 60 mm
  • Weight 800 g
Fixed Counter Workstation

Smart dock

  • Power adapter 24 V, 60 W or 24 V, 120 W when powered USB is used
  • USB 5 USB 2.0 and 2 USB 3.0
  • Powered USB 1 × 24 V powered USB
  • USB-C 1 Type-C
  • Serial 2 RJ50 serial ports
  • Network 1 RJ45 Gigabit Ethernet
  • Retail interfaces 3.5 mm audio and 24 V cash-drawer port
  • Dimensions 230 × 160 × 220 mm
  • Weight 1.5 kg

The exact Intel N-series processor, docking bundle, optional NFC, fingerprint and 2D scanning modules, accessories and certification status must be confirmed for each commercial configuration during quotation. HM636 is a separate Android product and is not an HM638 variant.

Shared Capabilities

  • Portable Windows 10/11 operation
  • Charging-dock and smart-dock deployment options
  • Integrated three-track magnetic-stripe reader
  • Optional dedicated 2D barcode scanner
  • Optional NFC card reader
  • Optional fingerprint reader integrated with the power button
  • Optional hand strap for mobile use
  • Wi-Fi 6 and Bluetooth 5.1 connectivity
  • Smart-dock support for printers, scanners, drawers and network equipment

Ideal Applications

  • Retail stores
  • Restaurants and cafés
  • Healthcare and clinics
  • Warehouses and stock rooms
  • Queue-busting checkout
  • Table-side ordering
  • Mobile customer service
  • Fixed counter POS through the smart dock
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