Z91 Smart Mobile Terminal for Wireless Field Operations
The Z91 is a smart mobile terminal built for wireless POS, field service and mobile data collection. It combines Android 11, a 5.5-inch capacitive touchscreen, 2GB RAM with 16GB storage and an integrated 58mm thermal printer in one handheld device.
This Android mobile POS terminal supports 4G/3G/2G(Optional), dual-band Wi-Fi, Bluetooth, dual SIM and built-in GPS for work away from a fixed counter. Its 5MP rear camera supports application-controlled 1D and 2D barcode scanning, while NFC and fingerprint modules are available for compatible project configurations.
1. Mobile POS Hardware for Connected Workflows
- ● Android platform: Android 11, a quad-core 1.3GHz processor and 2GB + 16GB memory support compatible business applications.
- ● 58mm receipt printing: the built-in thermal printer supports a speed of up to 70mm/s, 58mm paper and a maximum paper-roll diameter of 40mm.
- ● Wireless field connectivity: cellular data, 2.4GHz/5GHz Wi-Fi, Bluetooth, hotspot support, dual SIM and GPS help connect distributed teams.
- ● Camera-based scanning: the 5MP rear camera with LED light supports application-controlled 1D and 2D barcode capture.
- ● Optional project modules: NFC and a 508 DPI fingerprint collection module can be evaluated according to the selected hardware configuration and application.
2. Applications for the Z91 Smart Mobile POS
Field service and mobile receipt printing: service teams can use compatible applications to record jobs, capture barcodes and print compact receipts or service slips on site.
Delivery, route sales and inventory work: wireless connectivity, GPS, dual SIM and camera scanning support application-controlled delivery records, stock checks and mobile order workflows.
Mobile top-up, lottery and ticket projects: the 58mm printer can produce compact vouchers or tickets when the relevant application, platform connection and local project requirements have been integrated and tested.
Pop-up retail and mobile counters: the touchscreen, portable printer and wireless communication options provide a compact hardware platform for temporary or distributed service points.
3. Software and Project Integration
Software providers and system integrators can review the available Android POS SDK resources when evaluating printer control, barcode capture, device information and supported peripherals. Confirm the terminal revision, Android build, firmware, device service and SDK version as one tested configuration.
The optional NFC reader and fingerprint module are hardware components and do not by themselves provide a complete payment, identity or industry application. Test the intended software, cards, barcode formats, print templates, mobile network and peripherals on a production sample before deployment.
For branding, packaging or project-specific hardware requirements, discuss the available scope through the OEM POS customization service.
4. Choose the Right Mobile POS Terminal
Choose the Z91 when a compact smart mobile POS with a 58mm printer, wireless connectivity and optional project modules is required. For restaurant ordering and other 58mm printing projects, compare the Z92F Android POS terminal with printer. For wide tickets, logistics documents and detailed 80mm receipts, review the Z93 80mm mobile ticketing POS.
You can also read the Z91 handheld POS overview for an introduction to its portable hardware and optional modules.
5. Z91 Technical Specifications
| Z91 Smart Mobile Terminal | |
|---|---|
| Operating System | Android 11.0 |
| Processor | Quad-core processor, 1.3GHz |
| Memory | 2GB RAM + 16GB eMMC |
| Display | 5.5-inch, 720 × 1280 capacitive touchscreen; supports electronic signatures in compatible applications |
| Communication(Optional) | 4G/3G/2G, hotspot, Bluetooth, Wi-Fi 2.4GHz and 5GHz |
| Location | Built-in GPS |
| USB | Type-C USB with OTG; Mini USB serial port |
| Camera and Scanning | 5MP rear camera with LED light; supports application-controlled 1D/2D scanning |
| Card Slots | Two SIM slots; one SD slot supporting SD 3.0 up to 128GB |
| Printer | Built-in 58mm thermal printer, up to 70mm/s; maximum paper-roll diameter: 40mm |
| Optional Fingerprint Module | 508 DPI; active sensor area: 12.8 × 18.0mm; module compliance documentation must be confirmed for the ordered configuration |
| Optional NFC Reader | Supports ISO/IEC 14443 A/B, MIFARE and FeliCa; confirm card, protocol and application compatibility |
| Battery | 7.4V/2800mAh lithium battery |
| Power Adapter | Input: 110–240V AC, 50–60Hz; output: 5V DC/2A |
| Dimensions and Weight | 199.75 × 83 × 57.5mm; 414g |
| Temperature | Operating: 0°C to 50°C; storage: −10°C to 60°C |
| Standard Accessories | Power adapter, Type-C USB cable, user manual, warranty card and one roll of 58mm thermal paper |
| Optional Accessories | Silicone case and hand belt; confirm additional accessories for the selected project |
| Certificates | FCC, CE and CCC; confirm documents and applicability for the ordered hardware revision and destination market |
Optional modules, cellular bands, firmware, SDK compatibility and certification documents must be confirmed for the ordered configuration and destination market.














Request a Z91 Sample or Project Quote
Provide the destination country, application, network requirements, barcode formats, print template, optional-module requirements and estimated quantity. These details help prepare the correct sample for software, printing and field-network testing.
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