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Introducing the Stalker Pro lls. Capture Spin Rate with a hand-held gun.


Introducing the Stalker Pro lls. Capture Spin Rate with a hand-held gun.


Product Description

Introducing the Pro IIs - Spin Rate and Velocity in a Hand-Held radar!


Stalker engineers have delivered what the other sport radars can’t - Spin Rate from a hand-held sport radar gun.

One of the most important pitch analytics, Spin Rate is now provided along with Peak and Across-the-Plate velocity, all in a single window. No delay, no estimations, simple measurements. 

Another game changer from Stalker.

And Wireless Connectivity

Own the data you capture. 

Aside from the power of spin rate in a hand-held radar gun, the Pro IIs also transmits data wirelessly in a non-proprietary data stream. 

Stream velocity and spin rate to scoreboards, speed signs, mobile applications, and your own proprietary programs.

And, like the classic Pro II... 

The versatile Stalker Pro IIs is the choice of major league baseball and top-level collegiate and semi-pro teams worldwide.

Just for baseball

No other sport radar is as accurate, sensitive, or has as much range and versatility as the Stalker Pro IIs.

The Pro IIs high performance sports radar package includes:

  • The Stalker Pro IIs sports radar gun
  • Rechargeable Li-Ion battery handle
  • Hard plastic carrying case
  • Battery charger
  • Operators manual



Speed Range - 1-800 MPH

Accuracy - ± 3% of reading.

Max. Clocking Distances - 300 - 500 Feet for balls with unobstructed view; 1¾ Miles for an average auto.


Operating Frequency - 34.7 GHz (Ka-Band) ± 50 MHz

Polarization - Circular Polarization

3 db Beam width - 12 Degrees Nominal (±1°)

Microwave Source - Gunn-Effect Diode

Receive Type - Schottky Barrier Mixer Diode

Power Output - 10 mW minimum; 25 mW nominal; 50 mW maximum.

The Stalker Pro II Complies with Part 90 of the FCC rules. 



Product Type - Stationary Doppler Radar

Computer Processor - Digital Signal Processor

Display Type - Liquid Crystal

Operating Temperatures - minus 22°F to +158°F

Storage Temperatures - minus 40°F to +185°F 


Battery Capacity - 7.4 VDC, 3.7 Ah, Li-Ion

Current Requirements - Transmitting - 800 mA (without backlight); 840 mA (with backlight)

Standby - 230 mA (At 7.4 Volts DC)

Sleep Mode - 40 mA (At 7.4 Volts DC)


Weight (with batteries) - 2.15 Pounds

Dimensions - 7.35” H x 2.83” W x 7.9” L

Housing Material - Aluminum and Magnesium

IP67 dust and waterproof

Other Details

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