What's the advantage of wireless capability on the LR30W-2?

The wireless feature eliminates physical cables between the receiver and remote laser controls, preventing cable damage from debris, equipment movement, or harsh conditions. This reduces downtime, maintenance costs, and allows operators to adjust laser settings from the cab without leaving the machine—particularly valuable on large sites or in extreme weather.

Can I use the LR30W-2 with my existing Spectra laser?

Yes, the LR30W-2 is compatible with all Spectra Precision rotating lasers including HV302, HV302G, LL500, and LL400 series models. The receiver detects the standard laser beam these units emit. However, to utilize the wireless communication features for remote laser control, you'll need a compatible Spectra laser with wireless capability or add the RC602 remote control unit.

How accurate can I grade with this receiver on a dozer?

The LR30W-2 provides elevation accuracy within ±1/8 inch (3mm) when properly calibrated and mounted. Actual grading accuracy depends on operator skill, machine hydraulic response, ground conditions, and blade wear. Most operators consistently achieve finished grades within ±1/4 inch on firm subgrade, which is suitable for most earthwork applications including building pads, parking lots, and drainage work.

What's the detection range and will it work on large sites?

The LR30W-2 detects laser signals up to 1,300 feet diameter (650-foot radius) when paired with high-powered lasers like the HV302 or LL500. This coverage handles most construction sites from a single laser setup. For maximum range, ensure the laser is positioned centrally, the receiver window is clean, and you're operating during favorable conditions—bright sunlight and dust reduce effective range.

Spectra Precision LR30W-2 Machine Receiver

Description

# Spectra Precision LR30W-2 Machine Display Receiver w/ Wireless Capability — $1460

Overview

The Spectra Precision LR30W-2 Machine Display Receiver transforms earthmoving equipment into precision grading machines with wireless laser communication capability. Designed specifically for dozer, scraper, and excavator applications, this compact receiver mounts directly to blade or bucket systems to provide real-time elevation guidance without cumbersome cables. The LR30W-2 features a rugged, machine-mountable design that withstands the harsh jobsite environment while delivering precise grade information to the machine operator. Its wireless capability eliminates cable damage concerns and simplifies installation, making it ideal for high-production earthwork operations where accuracy and durability are paramount. With dual-laser capability and intuitive LED display feedback, operators achieve grade accuracy within ±1/8 inch, significantly reducing over-excavation, minimizing material costs, and accelerating project completion. The receiver works seamlessly with Spectra rotating lasers to establish grade control on site cuts, fills, drainage work, and foundation preparation.

Key Specifications

Laser Detection Range: Up to 1,300 feet (400m) diameter with HV302 or LL500 lasers
Accuracy: ±1/8 inch (3mm) at 100 feet
Wireless Communication: Yes, 2.4 GHz frequency-hopping spread spectrum
Display Type: High-visibility LED array with on-grade, above-grade, below-grade indicators
Detection Window Height: 5.9 inches (150mm)
Operating Temperature: -4°F to 140°F (-20°C to 60°C)
Power: 12V DC vehicle power or optional battery pack
Protection Rating: IP67 water and dust resistant
Mounting: Universal bracket system for blade/bucket attachment
Weight: 2.2 lbs (1.0 kg) without mounting hardware
Cable Length: 16.4 feet (5m) display cable to in-cab control
Compatibility: Works with all Spectra rotating lasers (HV302, HV302G, LL500, LL400 series)

What's in the Kit

LR30W-2 Machine Display Receiver with wireless module
RC802 In-Cab Remote Display with mounting bracket
16.4-foot (5m) receiver-to-display cable
Universal mounting bracket for blade/bucket installation
12V DC power cable with vehicle adapter
Wireless antenna and mounting hardware
Protective receiver cover/sunshade
Calibration card and quick-start guide
Heavy-duty carrying case
Two-year manufacturer's warranty documentation

Job Applications

Dozer Rough Grading: Wireless capability eliminates cable snagging on debris during land clearing and initial site grading, while providing continuous elevation feedback for faster rough-cut operations and reduced fuel consumption from fewer passes.
Excavator Trenching: Achieve precise trench depths for utility installation, drainage lines, and footings without constantly checking grade stakes—the LED display keeps operators on-grade in real-time, preventing costly over-excavation and backfill work.
Scraper Operations: Maintain exact cut depths during mass earthwork operations where wireless communication prevents cable damage from material loading, ensuring consistent production and eliminating downtime from cable replacement.
Foundation Preparation: Establish building pad elevations to within 1/8 inch accuracy, reducing the need for extensive hand-finishing and ensuring proper drainage away from structures before concrete placement.
Parking Lot Subgrade: Create uniform subgrade elevations across large paving projects where precise depth control minimizes base material costs and prevents low spots that lead to premature pavement failure.
Agricultural Land Leveling: Grade fields to consistent elevations for improved irrigation efficiency and crop yields—the wireless system allows uninterrupted operation across large acreage without repositioning cables or equipment.

Compatible Accessories

Related Guides

FAQ

What's the advantage of wireless capability on the LR30W-2?: The wireless feature eliminates physical cables between the receiver and remote laser controls, preventing cable damage from debris, equipment movement, or harsh conditions. This reduces downtime, maintenance costs, and allows operators to adjust laser settings from the cab without leaving the machine—particularly valuable on large sites or in extreme weather.
Can I use the LR30W-2 with my existing Spectra laser?: Yes, the LR30W-2 is compatible with all Spectra Precision rotating lasers including HV302, HV302G, LL500, and LL400 series models. The receiver detects the standard laser beam these units emit. However, to utilize the wireless communication features for remote laser control, you'll need a compatible Spectra laser with wireless capability or add the RC602 remote control unit.
How accurate can I grade with this receiver on a dozer?: The LR30W-2 provides elevation accuracy within ±1/8 inch (3mm) when properly calibrated and mounted. Actual grading accuracy depends on operator skill, machine hydraulic response, ground conditions, and blade wear. Most operators consistently achieve finished grades within ±1/4 inch on firm subgrade, which is suitable for most earthwork applications including building pads, parking lots, and drainage work.
What's the detection range and will it work on large sites?: The LR30W-2 detects laser signals up to 1,300 feet diameter (650-foot radius) when paired with high-powered lasers like the HV302 or LL500. This coverage handles most construction sites from a single laser setup. For maximum range, ensure the laser is positioned centrally, the receiver window is clean, and you're operating during favorable conditions—bright sunlight and dust reduce effective range.

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