What is dual band survival whistle?
A dual band survival whistle is a specialized whistle designed for outdoor activities such as camping, hiking, and backpacking. Unlike traditional whistles that only emit a single tone, dual band survival whistles have two distinct frequencies that can be used for different purposes.
One frequency is designed to attract attention from potential rescuers over long distances. This tone is typically a high-pitched sound that can be heard for several miles in ideal conditions. The other frequency is used for close-range communication with other members of a hiking or camping group. This tone is usually lower in pitch and easier to hear in noisy environments or when the whistle is used indoors.
Dual band survival whistles are typically made from lightweight and durable materials such as aluminum or plastic. They are often equipped with a lanyard or clip that can be attached to a backpack or other gear, making them easily accessible in case of emergency.
In addition to their dual frequency capabilities, some survival whistles also include additional features such as a built-in compass, thermometer, or LED light. These added features can be helpful in emergency situations where other equipment may be lost or damaged.
Overall, a dual band survival whistle is an essential piece of equipment for anyone who spends time in the great outdoors. It can be a lifesaver in an emergency situation and is a relatively inexpensive investment that can provide peace of mind and added safety.