U can used :
1. Long Ranged Bazooka.jpg)
The purpose is to send the sound waves into the air to attract swiftlet that may pass the area.The speakers are waterproof and normally kept indoor at the entry hole.This special type speaker could help in reduce noise pollution of neighborhood nearby. The range of distance traveled by the sound produced by speaker is approximate 800 M - 1200 M.
2. Middle Ranged Speaker.jpg)
The purpose is to send the sound waves into the air to attract swiftlet that may pass the area.The speakers are waterproof and normally kept indoor at the entry hole.This special type speaker could help in reduce noise pollution of neighborhood nearby. The range of distance traveled by the sound produced by speaker is approximate 500 M - 700 M.
The purpose is to send the sound waves into the air to attract swiftlet that may pass the area.The speakers are waterproof and normally kept indoor at the entry hole.This special type speaker could help in reduce noise pollution of neighborhood nearby. The range of distance traveled by the sound produced by speaker is approximate 800 M - 1200 M.2. Middle Ranged Speaker
The purpose is to send the sound waves into the air to attract swiftlet that may pass the area.The speakers are waterproof and normally kept indoor at the entry hole.This special type speaker could help in reduce noise pollution of neighborhood nearby. The range of distance traveled by the sound produced by speaker is approximate 500 M - 700 M. 3. Hexagonal Speaker.
This system able to attract swiftlets and pooling birds at the rooftop of the swiftlet house.The purpose of the hexagonal speaker is to call birds within 1 km radius area to come over to the swiftlet house roving yard.Thus, the leading sound at the entry hole will guide birds into the house.
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