Application reference

R350C Handheld PDA Display Integration Reference

Explore R350C Handheld PDA display integration with a published 4″ display. Review enclosure, touch and interface requirements for your project.

Buyer advantages

Display in context
Review the screen within the complete host product and its intended workflow.
Integration review
Compare the enclosure, interface, touch stack and operating requirements.
Project-specific evaluation
Confirm the exact module configuration and sample scope for your own equipment.

R350C Versatile Handheld PDA

4″ IPS Display | Android 13 | All‑Day Battery | Optional 2D Scanning & NFC

The R350C handheld computer delivers reliable data collection in a compact, lightweight design (under 300g). With a bright 4.0‑inch IPS HD screen, Qualcomm quad‑core processor, and 4000mAh detachable battery, it keeps retail, warehouse, and shipment operations running smoothly. Optional 2D barcode scanning (≥3mil) and NFC add flexibility for any workflow.

Why Choose R350C?

  • Compact & Ergonomic
    At just 155 × 70 × 20.5mm and weighing <300g, the R350C fits comfortably in one hand for hours of use – perfect for store associates and warehouse pickers.

  • Solid Performance
    Powered by the Qualcomm QCM2290 quad‑core 2.0GHz processor and Android 13 with 4GB RAM + 64GB ROM (expandable via TF up to 256GB), apps run smoothly even with intensive data collection tasks.

  • All‑Day Battery, Field‑Swappable
    The 3.8V / 4000mAh detachable battery supports full shifts; swap batteries instantly without downtime.

  • Versatile Connectivity

    • Dual‑band Wi‑Fi 802.11 a/b/g/n/ac (2.4/5GHz)

    • Bluetooth 5.0

    • 4G LTE global bands (FDD: B1/3/5/8; TDD: 34/38/39/40/41) + 2G/3G fallback

    • GPS/GLONASS/BeiDou for location‑aware applications

  • Robust Input Options
    Physical numeric keypad (0‑9), Delete, Back, ENT, Fn, *, #, plus two side scan buttons and volume keys – operate with gloves or in low light.

  • Professional Imaging & Feedback
    Rear 8 MP autofocus camera with flash (front 8 MP optional) • Tri‑color breathing light • Motor vibration • Built‑in loudspeaker and microphone support voice calls.

Key Technical Specifications

FeatureDetail
Display4.0″ IPS HD (480×800), multi‑touch
ProcessorQualcomm QCM2290, quad‑core 2.0 GHz
Operating SystemAndroid 13.0
Memory4GB RAM + 64GB ROM, expandable via TF to 256GB
Battery3.8V 4000mAh, detachable
Dimensions155 × 70 × 20.5 mm
Weight<300g
InterfacesNano‑SIM ×2, TF card slot, Type‑C (OTG)
AudioLoudspeaker, microphone, voice call support
CameraRear 8 MP autofocus with flash; front 8 MP (optional)
IndicatorsTri‑color breathing light, vibration motor
KeysNumeric keypad (0‑9), Delete, Back, ENT, Fn, *, #, SCAN ×2 (side), Power, Volume +/‑
Sensors (optional)Gravity / Gyroscope / Magnetic
Operating Temp-10℃ to 50℃
Storage Temp-40℃ to 70℃
Humidity5%RH – 95%RH (non‑condensing)

Optional Functions – Tailor to Your Needs

  • 2D Barcode Scanning Engine
    Accuracy ≥3mil – reads all common 1D/2D barcodes, even damaged or poorly printed labels.

  • NFC Reader/Writer
    Frequency 13.56MHz • Supports ISO14443A/B, ISO15693, NFC tags • Read/write M1 (S50, S70), CPU tags • Distance 2‑3cm – ideal for access control, inventory verification, or payment.


Optimized for Your Industry

  • Store Management – Scan items, check prices, update inventory in real time.

  • Retail Management – Assist customers with instant price checks and stock lookup.

  • Warehouse Management – Receive, pick, pack, and ship with fast barcode scanning.

  • Shipment Management – Track parcels, verify waybills, capture signatures.


What’s in the Box

Standard accessories: Power adapter ×1, USB data cable ×1, Battery ×1, Protective film ×1, User manual ×1, Wrist strap ×1.


Ready to Streamline Your Operations?

The R350C handheld PDA combines Android flexibility, rugged practicality, and optional scanning/NFC – all at an attractive price point. Contact us for a demo or bulk order.

Email: Victory.Wang@szfuzheng.com

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Plan the display review for a similar device

This R350C reference shows a host-product application. It does not establish the availability of a replacement screen, a named customer relationship, or qualification of a new display assembly.

Mechanical and touch fit

Compare the active area and full module outline with the enclosure opening. Include thickness, mounting, FPC routing, touch area and cover lens in the same drawing review. The nominal screen size alone is not sufficient to confirm fit.

Electrical compatibility and sample scope

Collect the host interface, connector pin assignment, power requirements and software configuration before shortlisting a module. Evaluate the sample with the real UI and front assembly, and record the operating conditions that need to be demonstrated.

Review the interface checklist and prepare the drawing and touch checklist before sending an inquiry.

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