ACME Alpha 211.5 Dog Training Whistle, Black with Day Glow Green Grip, 110 dBA Long Range

The ACME Alpha 211.5 is a professional dog training whistle for calling and training dogs at close range and over distance, with a standardized 5400 Hz frequency and an approximate 450–500-yard range.

• 110 dBA sound output — gives handlers a clear whistle signal.
• Weatherproof construction — made for use in changing weather conditions.
• BPA-free plastic made to food-grade standards — provides a lightweight whistle with an ergonomic grip.
• Made and rigorously tested in the UK — produced by specialists with over 150 years of experience.
• Pealess design with patented sound chambers — uses air more efficiently without a ball or cork.

For training and recall, a whistle offers a consistent signal that can be used by different handlers. The Alpha 211.5 is designed for close-range communication as well as calls across a greater distance, with a form and grip intended for practical handling during dog training.

How far can the ACME Alpha 211.5 carry a call?

The whistle has an approximate range of 450–500 yards, longer than the ACME 210.5. Its standardized frequency is 5400 Hz, giving dogs a consistent sound to recognize, including when different people use the whistle.

• Developed over four years in collaboration with World Champion dog trainers.
• The patented sound chambers are designed to make more efficient use of air, producing a brighter sound for commands nearby and at a distance.

Which dogs is the Alpha 211.5 suited to?

ACME notes the Alpha 211.5 as preferred by Labrador, Retriever, Collie, Greyhound and larger breeds. Its long-range call is intended for handlers who need to give a whistle command both close by and across open distance.

• Black whistle with a Day Glow Green grip.
• The standardized frequency allows the same whistle signal to be used by a partner, family member or dog walker.

What are the whistle’s size and design?

The ACME Alpha 211.5 measures 3 inches (7.8 cm) long, 0.5 inches (1.3 cm) wide and 0.5 inches (1.3 cm) high, and weighs 0.013 lb (6 g). Its improved all-over ergonomic grip is designed for handling in different conditions and a comfortable feel in the mouth.

• Pealess, ball-free and cork-free construction.
• BPA-free plastic made to food-grade standards.

The ACME Alpha 211.5 suits handlers training Labrador, Retriever, Collie, Greyhound and other larger dogs who want a lightweight, weatherproof whistle for calls at different distances. Its standardized pitch, patented sound chambers and ergonomic grip bring the key training details together in a compact UK-made whistle.