Alpha Surveying

Alpha 4i RTK - GNSS Receiver

$1,690.00

The Alpha 4i RTK - GNSS Receiver combines ultra-compact design, precision positioning, and rugged durability for the ultimate surveying experience.

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Product Information

The Alpha 4i RTK - GNSS Receiver is a cutting-edge solution for global surveying professionals, combining exceptional precision, speed, and durability in a lightweight design. With innovative technologies like the NebulasIV SoC chip and a robust all-satellite full-frequency antenna, this receiver ensures fast and accurate positioning, even in challenging environments. Its rugged build and advanced features make it the go-to choice for precision surveying.

  • Compact Design: Weighs only 830g for easy transport and handling.
  • High-Precision Antenna: 8cm full-frequency antenna supports all satellite systems.
  • Advanced Chip Technology: Powered by the latest NebulasIV SoC chip for rapid fixed solutions.
  • Inertial Navigation: 90° tilt compensation with 2cm accuracy for versatile applications.
  • Integrated UHF Radio: Reliable real-time positioning up to 3km, compatible with RTK protocols.
  • Durable Construction: Aluminum alloy housing and nano-material cover for rugged use.
  • Seamless Connectivity: Bluetooth 5.0 for enhanced device compatibility.
  • Resilient Performance: Operates reliably in extreme temperatures (-30°C to +70°C).

Channels: 1408

GNSS Support: GPS, GLONASS, Galileo, BDS, QZSS, SBAS, NAVIC

RTK Accuracy:

  • Horizontal: ±(8+1×10⁻⁶×D) mm
  • Vertical: ±(15+1×10⁻⁶×D) mm

Tilt Compensation: 0-90°, Update Rate: 100Hz

Operating System: RTOS

Bluetooth: BT5.0 (backward compatible)

Frequency Range: 410-470MHz

Water/Dust Resistance: IP67

Operating Temperature: -30°C to +70°C

Weight: 830g

1. What is the range of the integrated UHF radio?

The integrated UHF radio provides reliable real-time positioning up to 3km.

2. What satellite systems are supported?

The receiver supports GPS, GLONASS, Galileo, BDS, QZSS, SBAS, and NAVIC.

3. Is the receiver compatible with Bluetooth devices?

Yes, it features Bluetooth 5.0 with backward compatibility for seamless device pairing.

4. What is the accuracy of tilt compensation?

The Alpha 4i offers 2cm accuracy with 90° tilt compensation, ideal for precision surveying.

5. Can this receiver be used in harsh environments?

Yes, it is designed with an IP67 rating for water and dust resistance and operates reliably in temperatures from -30°C to +70°C.

6. What materials are used in its construction?

The receiver features a rugged aluminum alloy housing and a nano-material wave-transparent cover for durability and reliability.

7. What is the weight of the receiver?

The receiver weighs 830g, making it lightweight and easy to transport.

Let me know if you need any refinements!

Shipping Policy

What are the shipping options available for my order?

We offer standard shipping options for all orders. Additionally, standard shipping for our products is free of charge.

How long does it take for my order to be delivered?

  • Domestic Shipping (US): Standard shipping typically takes 4-7 business days.
  • International Shipping: Delivery times vary depending on the destination country and customs regulations. Please allow 10-20 business days for international orders.

What carriers do you use for shipping?
We work with reliable carriers such as DHL or UPS, to ensure timely and efficient delivery.

What happens if my order is lost or damaged during shipping?
We take great care in packaging our products to ensure they arrive in perfect condition. In the unlikely event your order is lost or damaged in transit, please contact our customer service team immediately at sales@metricop.com. We will work with the carrier to resolve the issue and may offer a replacement or refund, depending on the situation.

Can I change my shipping address after my order has been placed?
Shipping addresses cannot be changed after an order has been placed. Please double-check your shipping address before completing your order to avoid delivery issues.

What should I know about customs duties and taxes for international orders?
For international orders, customers are responsible for any applicable customs duties, taxes, or fees required by the destination country. These costs are not included in the product price or shipping charges.


Returns and Exchanges Policy

What is your policy for returns and exchanges?
We accept returns and exchanges within 30 days of purchase. To initiate a return or exchange, please contact our customer service team at sales@metricop.com. Returned items must be unused, in their original packaging, and accompanied by proof of purchase.

Are there exceptions for returns?

  • Items damaged due to customer mishandling are not eligible for return or exchange.
  • Customized or personalized products cannot be returned unless defective.

Order Cancellation Policy

Can I cancel my order?
Yes, orders can be canceled as long as they have not yet been shipped. If you wish to cancel your order, please contact our customer service team as soon as possible. Once the order is shipped, it cannot be canceled, but you may request a return after delivery following our returns policy.


If you need further assistance, feel free to contact us at sales@metricop.com.