Choose a different language

Hotus
Rugged PDA & Handheld

HOTUS RS51 4G Rugged Handheld Terminal, 6.3-inch

RS51 4G Rugged Handheld Terminal | 6.3" FHD+ | Qualcomm SM6225 Octa-core 2.

Scan Engine:
Zebra / Honeywell 1D/2D Barcode Scanner + 13MP Camera
Durability:
IP65/IP67 Rated, 1.5m Concrete Drop Resistance
Processor & OS:
Octa-Core 2.0GHz, Android 11.0 / 12.0 (4GB RAM + 64GB ROM)
Display:
5.5" HD (1280x720) Corning Gorilla Glass Touchscreen
Power System:
3.8V / 4500mAh Removable & Rechargeable Li-ion Battery
Customization:
Full OEM / ODM / JDM Hardware & SDK Support
Warranty & After-Sales:
HOTUS provides a 3-Year Limited Warranty
Certification:
CE,FCC,RoHS,IP67
OEM / ODM welcome . Factory-direct . Response within 24h

HOTUS RS51 4G Rugged Handheld Key Features

High-Precision Barcode Scanning
Zebra / Honeywell 1D & 2D Scan Engine, fast reading for warehouse and logistics.
Industrial-Grade Rugged Protection
IP65/IP67 rated, dustproof, waterproof, and 1.5m drop resistance for tough field work.
High Performance & Long Battery
Octa-Core processing platform, 4G/Wi-Fi connectivity, and large removable battery.
Enterprise OEM/ODM Customization
Tailored NFC/RFID modules, custom OS image, boot logo, and branding options.


HOTUS RS51 4G Rugged Handheld Technical Specifications

ProcessorQualcomm SM6225 Octa-core 2.4GHz (11nm)
Operating SystemAndroid 13
Memory & Storage4GB RAM + 64GB ROM, expandable via TF up to 256GB
Display6.3 inch IPS FHD+ (1080×2340), 5-point G+F+F capacitive touch
Battery5000mAh 3.8V, detachable
Dimensions & Weight172mm × 76.6mm × 16.5mm, <500g
Cellular4G LTE: CN version (B1/B3/B5/B8, B34/B38/B39/B40/B41); EAU version (B1/B3/B5/B7/B8/B20/B28, B38/B40/B41); 3G/2G fallback
WirelessDual-band Wi-Fi (2.4/5GHz, 802.11 a/b/g/n/ac/ax ready), Bluetooth 5.1
GNSSGPS / Glonass / Galileo + Independent Beidou (RTK accurate positioning optional)
2D Barcode Scanner (Optional)Accuracy ≥3mil
NFC (Optional)13.56MHz, ISO14443A/B/ISO15693, M1 (S50,S70), CPU tags, read 2-3cm
Independent Beidou (Optional)Supports independent Beidou positioning + RTK centimeter-level accuracy
PortsNano-SIM×2, TF×1, Type-C (OTG+PD), 2-pin Pogo Pin
CamerasFront 8MP; Rear 16MP autofocus with flash
AudioLoudspeaker, microphone, voice call support
KeypadPower, dual SCAN buttons, volume rocker, Fn key
SensorsGravity, gyroscope, magnetic sensor
EnvironmentalIP67, drop 1.2m, operating -10°C to 50°C, storage -40°C to 70°C, humidity 5%–95% non-condensing
AccessoriesPower adapter, USB cable, battery, protective film, manual, wrist strap



HOTUS RS51 4G Rugged Handheld Applications & Use Cases

Deployed in factory automation lines, in-vehicle computing, energy storage monitoring, power/grid, digital signage and cloud-terminal edge nodes.



RS51 4G Rugged Handheld Terminal | 6.3" FHD+ | Qualcomm SM6225 Octa-core 2.4GHz | Android 13



RS51 4G Rugged Handheld Terminal | 6.3" FHD+ | Qualcomm SM6225 Octa-core 2.4GHz | Android 13


RS51 4G Rugged Handheld Terminal | 6.3" FHD+ | Qualcomm SM6225 Octa-core 2.4GHz | Android 13

Two Key Highlights

Independent Beidou RTK – Centimeter-Level Accuracy on 4G

The RS51 offers an optional independent Beidou positioning module with RTK (Real-Time Kinematic) support, delivering horizontal accuracy of 2–5cm without relying on external GNSS receivers. This is a rare feature in 4G rugged terminals, making it ideal for land surveying, precision agriculture, asset mapping, and autonomous yard vehicle guidance – all over a reliable 4G LTE network.

Qualcomm SM6225 + Android 13 + IP67 Rugged

Powered by Qualcomm's 11nm octa-core processor (2.4GHz) and Android 13, the RS51 handles demanding inventory apps, real-time data sync, and multitasking with ease. IP67 dust/water protection and 1.2m drop tolerance ensure it survives daily abuse in warehouses, construction sites, and outdoor field operations.

The RS51 is a versatile 4G rugged handheld terminal built for organizations that need reliable data capture, accurate positioning, and enterprise-grade durability without the higher cost of 5G. Its 6.3-inch FHD+ display provides ample screen real estate for inventory management, GIS mapping, or field service apps. The detachable 5000mAh battery supports hot-swapping, and the optional 2D barcode scanner (≥3mil), NFC, and independent Beidou RTK make it adaptable to a wide range of verticals – from logistics and retail to public safety and utilities.

RS51 4G Rugged Handheld Terminal | 6.3" FHD+ | Qualcomm SM6225 Octa-core 2.4GHz | Android 13

Performance: Qualcomm SM6225 Octa-core 2.4GHz + Android 13

The Qualcomm SM6225 platform, fabricated on an 11nm process, delivers a balanced mix of performance and power efficiency. Its eight Kryo cores (four performance cores at 2.4GHz, four efficiency cores) handle real-time barcode decoding, background data transmission over 4G, and GNSS processing without lag. Android 13 brings enterprise-friendly features: granular app permissions, work profiles, and long-term security updates. Our firmware stays close to AOSP, so existing MDM solutions (SOTI, VMware Workspace ONE, Samsung Knox) deploy without modification. The 4GB RAM and 64GB storage (expandable to 256GB via TF) provide sufficient headroom for most warehouse, retail, and field apps.

4G LTE Connectivity with Global Band Support

The RS51 is available in two regional variants: CN version optimized for China and India (FDD: B1/B3/B5/B8; TDD: B34/B38/B39/B40/B41), and EAU version covering Europe, the Middle East, Africa, Korea, Thailand, and Australia (additional bands B7/B20/B28). Fallback to 3G WCDMA and 2G GSM ensures connectivity in remote areas. Dual-band Wi-Fi (2.4/5GHz) with 802.11ax (Wi-Fi 6) readiness provides fast roaming in dense warehouse networks. Bluetooth 5.1 connects to wireless printers, headsets, or external scanners. The 2-pin Pogo Pin allows connection to a charging cradle or vehicle dock.

RS51 4G Rugged Handheld Terminal | 6.3" FHD+ | Qualcomm SM6225 Octa-core 2.4GHz | Android 13

Positioning: GPS + Glonass + Galileo + Independent Beidou RTK

Standard GNSS includes GPS, Glonass, and Galileo, providing location accuracy of 2–3 meters. For applications requiring centimeter-level precision, the RS51 offers an optional independent Beidou module with RTK (Real-Time Kinematic). This module operates separately from the main GNSS, delivering horizontal accuracy of 2–5cm. It can receive RTK correction data over 4G from network RTK services or a local base station. Typical use cases include: precision land surveying, construction staking, utility pole mapping, and autonomous vehicle guidance in yards. The independent design ensures stable performance even when the main processor is busy.

Data Capture: 2D Barcode Scanning and NFC

The optional high-performance 2D imager reads barcodes as small as 3mil – including QR codes, Data Matrix, PDF417, and traditional 1D symbologies (Code 128, EAN-13, UPC-A). Dual side-mounted SCAN buttons can be pressed with either thumb, reducing hand fatigue. Vibration feedback and the tri-color breathing LED provide clear scan confirmation even in noisy environments. The optional NFC module (13.56MHz) supports ISO14443A/B, ISO15693, M1 (S50, S70), and CPU tags. It is ideal for contactless payments, employee badge authentication, and NFC-triggered workflows with a read range of 2–3cm.

RS51 4G Rugged Handheld Terminal | 6.3" FHD+ | Qualcomm SM6225 Octa-core 2.4GHz | Android 13

Rugged Design: IP67, 1.2m Drop, All-Weather Operation

The RS51 is sealed to IP67 standards – dust-tight and waterproof up to 1 meter for 30 minutes. It survives drops from 1.2 meters onto concrete, making it suitable for warehouse floors, construction sites, and outdoor field use. Operating temperature from -10°C to 50°C and 95% humidity coverage means it works in cold storage, hot deserts, and tropical environments. The 6.3-inch FHD+ display (1080×2340) is readable under direct sunlight, and the 5-point G+F+F capacitive touch screen works with industrial gloves. The detachable 5000mAh battery supports hot-swapping – replace a depleted pack without rebooting the device.

RS51 4G Rugged Handheld Terminal | 6.3" FHD+ | Qualcomm SM6225 Octa-core 2.4GHz | Android 13

Camera and Audio for Documentation

The rear 16MP autofocus camera with LED flash captures proof-of-delivery photos, damage records, or shelf conditions. The front 8MP camera enables video calls for remote troubleshooting – reducing costly field service dispatches. The loudspeaker, microphone, and voice call support turn the device into a communication tool, not just a scanner. An Fn key can be customized for quick access to frequently used functions (e.g., toggling flashlight or launching the scanner).

Typical Deployments

Warehouse & Inventory Management: Use the 2D imager to scan barcodes on incoming shipments and update stock levels in real time via 4G/Wi-Fi. The large 6.3-inch display makes it easy to verify item details. RTK Beidou can track forklift positions with centimeter accuracy.
   Retail Store Operations: Perform cycle counts, check prices, process returns, and manage loyalty cards via NFC. IP67 protection survives spills and dust.
   Field Asset Inspection & Survey: Utility workers inspect poles or pipelines, capture geo-tagged photos with the 16MP camera, and record GPS coordinates. RTK Beidou provides sub-5cm accuracy for asset mapping.
   Logistics & Last-Mile Delivery: Drivers scan package barcodes, take delivery proof photos, and communicate via voice calls. The 5000mAh battery lasts a full route, and hot-swap keeps operations running.
   Public Safety & Emergency Response: First responders benefit from reliable 4G and accurate positioning. The bright FHD+ screen displays maps and incident details clearly in direct sunlight.

RS51 4G Rugged Handheld Terminal | 6.3" FHD+ | Qualcomm SM6225 Octa-core 2.4GHz | Android 13

Service & Support

★ Sample Evaluation: Request a test unit to verify scanning speed, RTK accuracy, and battery life under your workload.
   ★ OEM Customization: Logo printing, custom Android build, pre-loaded apps, and region-specific 4G band tuning.
   ★ ODM Development: From adding a UHF RFID module to upgrading the battery capacity, our engineering team delivers tailor-made solutions.
   ★ Bulk Orders: Standard configurations ship within 7–10 working days. Volume pricing, long-term supply agreements, and accessory bundles (charging cradle, spare batteries) available.
   

★ Certifications: CE, FCC, RoHS compliant. IP67 verified by third-party labs.


For detailed specifications, volume pricing, or to request a custom configuration (RTK Beidou, 2D scanner, NFC), please Contact Us directly – our engineers provide factory-direct support, SDK documentation, and sample loaner units for qualified projects.

Why 4G Rugged Terminals with RTK Beidou Are the Smart Choice for Field Operations – RS51 Deep Dive

While 5G garners headlines, 4G LTE remains the backbone of industrial connectivity – offering wide coverage, lower device cost, and sufficient bandwidth for most field applications. The RS51 combines mature 4G with an optional independent Beidou RTK module, delivering centimeter-level accuracy at a fraction of the cost of 5G‑based solutions. Here is why this combination is winning in real-world deployments.

1. 4G LTE: Proven Coverage and Lower Total Cost

5G coverage is still expanding, especially in rural and remote industrial zones. 4G LTE, in contrast, is universally available and provides more than enough bandwidth for real‑time inventory updates, voice calls, and RTK correction data (which typically requires less than 100 kbps). The RS51's 4G modem supports carrier aggregation, delivering stable throughput even in congested areas. By choosing 4G over 5G, enterprises save approximately 30–40% on device hardware costs without sacrificing operational performance.

RS51 4G Rugged Handheld Terminal | 6.3" FHD+ | Qualcomm SM6225 Octa-core 2.4GHz | Android 13

2. Independent Beidou RTK: Centimeter Accuracy Without High‑End GNSS Receivers

Traditional high‑precision GNSS receivers cost thousands of dollars. The RS51's optional independent Beidou module (with RTK) brings sub‑5cm accuracy to a rugged handheld priced for volume deployment. This module is self‑contained – it does not drain the main processor and can operate concurrently with the standard GPS/Glonass/Galileo. For applications like mapping utility assets, verifying construction layouts, or guiding autonomous yard vehicles, the RS51 eliminates the need for separate survey‑grade equipment.

3. 6.3" FHD+ Display: More Screen for Field Maps and Forms

Field workers often struggle with small screens when viewing GIS maps, inspection checklists, or work orders. The RS51's 6.3‑inch FHD+ display (1080×2340) provides 30% more screen area than typical 5.5‑inch terminals. This means less panning and zooming, faster data entry, and fewer errors. The 5‑point capacitive touch works with gloves, and the display is bright enough for outdoor use.


4. Real-World ROI Examples

Utility Company (300 field workers): Switching from consumer tablets + separate GPS receivers to RS51 with RTK Beidou reduced equipment costs by $1,200 per worker and cut pole inspection time by 40%. Accurate geo‑tagging eliminated manual data entry errors, improving asset database quality from 78% to 98%.
   Warehouse Operator (150 forklifts): Deploying RS51 units with RTK Beidou for forklift guidance reduced pallet misplacement by 85% and increased storage density by 12%. The 4G connectivity allowed real‑time slotting updates, reducing travel time per pick by 18%.

The RS51 proves that 4G rugged terminals, when paired with independent Beidou RTK, can handle high‑precision tasks previously reserved for expensive survey equipment. Sample units available for testing. OEM/ODM customization ready. Contact us for a demo unit or to discuss integrating RTK Beidou, 2D scanning, or NFC into your deployment.

RS51 4G Rugged Handheld Terminal | 6.3" FHD+ | Qualcomm SM6225 Octa-core 2.4GHz | Android 13

Related Products

Full Spectrum Rugged & Next-Gen Features

HOTUS  Rugged Handheld OEM/ODM Customization

Customize interfaces, firmware, OS, boot logo, branding & packaging. 72-hour rapid prototyping, 8D quality control, scalable manufacturing.

3.1 Appearance & Structure Customization

• Custom handheld body color, size, key layout, laser engraving, logo silk printing, nameplate, non-slip drop-resistant shell and IP65/IP67/IP68 industrial rugged grade

3.2 Hardware & Interface Customization

• Custom lightweight industrial interface, full BIOS customization, RAM/ROM, low-power wide-temperature module, high-capacity detachable battery, full fanless cooling, 1D/2D scanner, NFC, RFID, fingerprint, GPS/Beidou, 4G/5G, Wi-Fi 6 and Bluetooth

3.3 System & Pre-installation Customization

• Pre-install Windows IoT/lightweight Linux system, custom handheld system image, scanning & job APP pre-installation, system simplification, permission lock, software auto-start, background lock, system activation, partition preset and firmware packaging

3.4 Packaging & Material Customization

• Neutral/custom brand packaging, custom anti-drop packaging, shockproof buffer lining, custom PDA manuals, certificates, device labels, parameter stickers, charging cable, wrist strap, lanyard, serial cable and handheld protection kits

RS51 4G Rugged Handheld Terminal | 6.3" FHD+ | Qualcomm SM6225 Octa-core 2.4GHz | Android 13


HOTUS RS51 4G Rugged Handheld Certification & Compliance

CEFCCRoHSISO 9001



RT82 5G Rugged Tablet | 10.1" FHD 400nit | Qualcomm QCM4490 Octa-core | WiFi 6E | Android 13


HOTUS RS51 4G Rugged Handheld Frequently Asked Questions

What scan engines are integrated, and can it read damaged barcodes?

Our industrial PDAs are integrated with high-performance 1D/2D scan engines (such as Zebra or Honeywell). They support ultra-fast reading of printed barcodes, digital screen barcodes, as well as damaged, smudged, low-contrast, or color-inverted barcodes in high-density logistics and warehousing environments.

What is the industrial protection rating (IP grade) and drop specification?

The device is engineered with IP65/IP67/IP68 water and dust resistance, along with a 1.2m to 1.5m drop resistance to concrete. It operates reliably in harsh industrial environments, including dusty warehouses, rain, and extreme operating temperatures.

What operating systems and hardware configurations are supported?

We offer models pre-installed with Android (with options for Google GMS certification) or Windows IoT / lightweight Linux systems. Hardware specifications, including Octa-Core processors, RAM/ROM memory, and display sizes, can be selected based on your application needs.

Does the handheld terminal support outdoor readability under bright sunlight?

Yes, the device features a high-brightness capacitive touch screen (up to 400+ nits) with Corning Gorilla Glass. It provides sharp clarity, excellent outdoor sunlight readability, and durable scratch resistance for field operations.

How long does the battery last, and is it removable/hot-swappable?

Built with high-capacity rechargeable lithium batteries (typically 5000mAh), the PDA supports 10–14+ hours of continuous intensive operation. Most models feature removable or hot-swappable batteries to ensure uninterrupted shift work.

Can the device be customized for specialized hardware modules (NFC, RFID, Fingerprint)?

Absolutely. We offer modular hardware customization including NFC, UHF/HF RFID reader, biometric fingerprint sensor, GPS/Beidou high-precision positioning, and PSAM card slots for encrypted communications.

What wireless connectivity options are built into the PDA?

Our industrial PDAs support comprehensive enterprise connectivity, including global 4G LTE, and GPS/GLONASS/Beidou navigation to ensure real-time data sync anywhere.

Do you provide OEM/ODM services for software and firmware customization?

Yes, we provide full-stack OEM/ODM customization, including: custom OS images, driver pre-loading, pre-installed customer APPs, Kiosk mode, permission locking, auto-start configurations, boot logo, silk-screen branding, custom casing colors, and customized packaging.

What accessories are available for field service and warehouse workflows?

We offer a complete suite of industrial accessories, including pistol grips (trigger handles), charging cradles / docking stations, wrist straps, lanyards, protective rubber boots, and shoulder straps.

What is your warranty policy and technical support for global clients?

We provide a standard 3-year warranty (with optional extended warranty plans) and lifetime technical support. We offer SDK/API development documentation, remote diagnostics, software upgrades, and spare parts supply for bulk deployment.



Warranty & After-Sales Service

Reliable support from purchase to long-term operation. HOTUS provides a  3-Year Limited Warranty    for industrial PDA, rugged tablets and Mini PCs, together with lifetime technical support  to help keep your equipment stable and operational.

Our After-Sales Commitment

3 Years

Limited Warranty

Three-year limited warranty for the main units of industrial PDA,  rugged tablets and Mini PCs.

Lifetime

Technical Support

Technical consultation, device setup, troubleshooting and system compatibility support throughout the product lifecycle.

Professional

Repair & Replacement

Qualifying warranty failures are supported with inspection, repair or replacement of defective components according to the policy.

Warranty Coverage

3-Year Limited Warranty

The warranty applies to new genuine products used under normal commercial or industrial conditions. The warranty period starts from the date the customer receives and accepts the product.

ProductMain Unit WarrantyAccessories Warranty
Industrial PDA3 Years1 Year
Rugged Tablet3 Years1 Year
Mini PC3 Years1 Year

Core hardware components such as the original hard drive, memory, motherboard, CPU, touch module and rugged sealing components follow  the main unit's 3-year warranty. Common consumable accessories such as power adapters, data cables, external cables and standard buttons are covered for 1 year.



Lead Time & Response Commitment

Clear production timelines and responsive communication to help you plan procurement, product customization and project delivery.

1–3 Days

In-Stock Products

Fast order processing for available stock, helping you meet urgent purchasing and delivery requirements.

20–45 Days

OEM / ODM Orders

Estimated production lead time for customized products, subject to specifications, order quantity and project requirements.

Within 24h

Response Time

Our team responds to product inquiries, quotation requests and technical questions within 24 hours.

Actual lead times may vary depending on stock availability, order quantity, customization requirements and order confirmation.

CONTACT US.

Hotus Technology (Shenzhen) Co., Ltd.

CONTACT

Tell us the device, volume and deployment environment you need. A product engineer replies with a configuration and quote, usually within 24 hours.

E-Mail: tiger@hotusprojector.com
Tel: +86 18922879583
Add: 3 Floor, Building D1, Xintang Industrial Zone, East District, Baishixia Community, Fuyong Street, Baoan District, Shenzhen city, 518103 China
working time: Monday to Friday, 9:00 - 18:00
×

Contact us

email:
name:
subject :
content: