Produktinformation

Professional RTK GNSS Receiver for Precision Surveying

Name: Alpha 4i RTK - GNSS-mottagare
Brand: Alpha Surveying
SKU: MET-GPS09
Price: 2090.00 USD
Availability: InStock

The Alpha 4i RTK delivers centimeter-level accuracy in an ultra-compact form factor, engineered for surveying professionals who demand reliable positioning across diverse terrain conditions.

Advanced Positioning Technology

Built around the powerful NebulasIV SoC chip, the Alpha 4i processes signals from all major satellite constellations simultaneously. The all-frequency antenna design ensures consistent performance whether you're working in urban canyons, dense forests, or open terrain, delivering the accuracy you need for critical measurements.

Built for Field Conditions

Every component is engineered to withstand the demands of professional fieldwork. The rugged housing protects against dust, moisture, and impact while maintaining the lightweight portability that keeps you productive throughout long survey sessions.

Key Advantages

✓ Ultra-compact design reduces equipment load without compromising performance
✓ Multi-constellation tracking ensures reliable positioning in any environment
✓ Fast initialization times minimize setup delays and maximize productivity
✓ Weather-sealed construction maintains accuracy in harsh field conditions

Kanaler: 1408

GNSS-stöd: GPS, GLONASS, Galileo, BDS, QZSS, SBAS, NAVIC

RTK-noggrannhet:

Horisontell: ±(8+1×10⁻⁶×D) mm
Vertikal: ±(15+1×10⁻⁶×D) mm

Lutningskompensation: 0-90°

Uppdateringsfrekvens: 100Hz

Operativsystem: RTOS

Bluetooth: BT5.0 (bakåtkompatibel)

Frekvensområde: 410-470MHz

Vatten-/dammtålighet: IP67

Arbetstemperatur: -30°C till +70°C

Vikt: 830 g

Features :

Ultra-Compact Design

Weighs only 830g for effortless transport and extended field use

Advanced NebulasIV SoC Chip

Delivers rapid fixed solutions and superior signal processing

90° Tilt Compensation

Built-in IMU provides 2cm accuracy even at extreme angles

Full-Constellation Support

Tracks GPS, GLONASS, BeiDou, Galileo, and QZSS simultaneously

Integrated UHF Radio

3km range RTK corrections with industry-standard protocol support

IP67 Rugged Construction

Weatherproof design withstands harsh field conditions

8cm Full-Frequency Antenna

Optimized for maximum signal reception and positioning accuracy

Extended Battery Life

Up to 12 hours continuous operation for all-day productivity

Download Center

Reviews :

4.8/5

★★★★★

Based on verified reviews

★★★★★

Michael Rodriguez

Senior Land Surveyor · Verified Purchase

Exceptional precision and reliability in challenging terrain

The Alpha 4i RTK has exceeded expectations on multiple large-scale cadastral projects. The ultra-compact design doesn't compromise on accuracy, consistently delivering centimeter-level precision even in heavily forested areas. Build quality is outstanding and has withstood extreme weather conditions without any performance degradation.

★★★★★

Sarah Chen

GIS Specialist · Verified Purchase

Outstanding RTK performance with fast initialization

Impressed with the rapid RTK fix acquisition times and consistent signal tracking capabilities. The compact form factor makes it ideal for UAV integration and mobile mapping applications. Data collection efficiency has improved significantly since implementing this receiver in our workflow.

★★★★☆

David Thompson

Construction Project Manager · Verified Purchase

Robust construction-grade performance

The Alpha 4i RTK has proven invaluable for precision construction layout and machine control applications. Durability is exceptional, surviving drops and harsh job site conditions without issues. Battery life could be improved for all-day operations, but overall performance justifies the investment.

★★★★★

Amanda Foster

Geomatics Engineer · Verified Purchase

Professional-grade accuracy with user-friendly operation

This receiver delivers consistent sub-centimeter accuracy across various GNSS constellations and environments. The intuitive interface and seamless integration with existing survey software streamlined our field operations. Alpha Surveying's technical support has been exemplary throughout the implementation process.

★★★★★

James Mitchell

Principal Surveyor · Verified Purchase

Superior multi-constellation tracking capabilities

The Alpha 4i RTK's advanced tracking algorithms provide remarkable performance in challenging signal environments. Urban canyon work and dense canopy surveys that previously required multiple setups now complete efficiently with this receiver. The investment has significantly improved our operational productivity and measurement confidence.

What's in the Box

Everything you need to get started.

✓ 1× Alpha 4i GNSS Receiver
✓ 1× Rechargeable Li-ion Battery
✓ 1× Dual Port Smart Charger
✓ 1× GNSS Survey Antenna
✓ 1× Antenna Cable
✓ 1× Data Transfer Cable (USB)
✓ 1× Carrying Case
✓ 1× Quick Start Guide
✓ 1× Calibration Certificate
✓ 1× Tools and Accessories Kit

Note: Optional accessories sold separately.

Frequently Asked Questions

General

✓ What positioning accuracy can I expect from the Alpha 4i RTK receiver? ▾

The Alpha 4i RTK delivers centimeter-level precision positioning under optimal conditions. RTK technology provides horizontal accuracy of ±8mm + 1ppm and vertical accuracy of ±15mm + 1ppm when receiving quality RTK corrections, making it suitable for high-precision surveying applications.

✓ Is the Alpha 4i suitable for harsh environmental conditions? ▾

Yes, the Alpha 4i RTK is engineered for durability across various terrain types and environmental conditions. Its rugged construction meets industry standards for dust and water resistance, allowing reliable operation in challenging field conditions including extreme temperatures and weather exposure.

✓ What GNSS constellations does the Alpha 4i track? ▾

The Alpha 4i RTK supports multi-constellation tracking including GPS, GLONASS, Galileo, and BeiDou systems. This comprehensive constellation support ensures optimal satellite availability and positioning reliability even in challenging environments with limited sky visibility.

✓ How does the ultra-compact design benefit field operations? ▾

The ultra-compact form factor reduces operator fatigue during extended field sessions while maintaining full GNSS functionality. The lightweight design enhances portability and ease of setup, making it ideal for rapid deployment across multiple survey points and extended surveying campaigns.

✓ What RTK correction methods are supported? ▾

The Alpha 4i RTK supports multiple correction delivery methods including cellular networks, radio modems, and internet-based correction services. It is compatible with standard RTK protocols and can receive corrections via RTCM formats, ensuring flexibility in various surveying scenarios and geographic locations.

Still have questions? Contact our technical support team.

Frakt

Ursprung: Vi skickar alla beställningar från vårt globala logistiknätverk / produktionscenter.

Leveranstider:

USA & EU: 7–12 arbetsdagar
Globalt: 10–15 arbetsdagar

Spårning: Alla försändelser har fullständig spårning från avsändning till leverans.

Tullar & skatter: Beräknas i kassan där det är möjligt, annars betalas de vid import enligt lokala regler.

Leveranstid: Vanligtvis 1–3 arbetsdagar efter orderbekräftelse (vi meddelar dig om en vara kräver extra förberedelse).

Delade leveranser: Om en beställning med flera artiklar blir klar i etapper kan vi skicka de tillgängliga produkterna först.

Returer

Ångerrätt: 14 dagar från leverans för oanvända produkter i originalförpackning (undantag: förbrukningsvaror och specialbyggda artiklar).

Returadress: Vi tillhandahåller en regional returadress när du öppnar ett RMA (USA eller EU där det är tillämpligt).

Återbetalningar: Hanteras inom 5–7 arbetsdagar efter inspektion.

Byten: Snabbt utbyte skickas så snart RMA har godkänts.

Garanti & Service

Garanti: Alla instrument omfattas av tillverkarens officiella garanti.

Support: Fjärrsupport för uppstart (videosamtal + snabbstartsguide) samt prioriterad e-postsupport.

Reparationer & kalibrering: Vi samarbetar med auktoriserade servicepartners vid behov och koordinerar logistiken.

Support

Tillverkargaranti: Alla instrument omfattas av officiell garanti enligt respektive varumärkes policy.
Fjärrsupport vid uppstart: Vi hjälper dig att komma igång – videosamtal, installationschecklista och snabbstartsguide i PDF-format.
Teknisk support: Prioriterade e-postsvar och hjälp med diagnostik för uppkoppling, firmware och arbetsflöden.
Reparation & kalibrering: Hanteras genom auktoriserade partners – vi koordinerar processen och håller dig uppdaterad.

Vanliga frågor (FAQ)

F: Var finns ni?
S: Metricop är en specialiserad webbutik registrerad i USA & EU. Vi levererar globalt med spårning.

F: Varifrån skickas varorna?
S: Från vårt globala logistiknätverk / produktionscenter. Normal leveranstid är 7–12 arbetsdagar till USA/EU och 10–15 dagar globalt.

F: Erbjuder ni garanti?
S: Ja – alla instrument omfattas av tillverkarens garanti. Vi erbjuder dessutom fjärrsupport vid uppstart och samordnar service via auktoriserade partners.

F: Hur fungerar returer?
S: Starta en RMA inom 14 dagar från leverans. Vi tillhandahåller en regional returadress (USA/EU där det är tillämpligt).

F: Kan jag få en formell offert?
S: Ja – använd vår funktion Begär offert. Vi svarar vanligtvis inom 2 arbetstimmar.

F: Vilka betalningsmetoder accepteras?
S: Större betalkort och banköverföring. För företagsköp tillhandahåller vi skattegodkända fakturor.

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