Features Fast Data Transmission: Experience high-speed communication with a transmission rate of up to 500Kbps for efficient data transfer in your applications Enhanced Signal Integrity: Enjoy superior signal quality with single-sided wiring and large copper area design, minimizing interference for reliable performance Robust Protection Features: Benefit from ±15KV ESD protection, 600W dual-channel TVS protection, and 10Ω current protection resistance to safeguard your devices Extended Communication Range: Achieve impressive transmission distances of up to 1200 meters, ensuring connectivity across extensive setups without signal loss Multi-Device Support: Connect up to 128 devices on the same bus, enabling seamless multi-machine communication for expanded operational capabilities Features: 1、 physical experimental instrument, and practical. 2、Two tuning forks of the same efficiency are made of the whole 45# carbon steel. 3、The edges and corners are neat and the is chrome plated, the frequency is 440 cycles per second. 4、The tuning fork set is used to demonstrate the resonance of sound in school. 5、Can be used as a general tuning fork of a variety of experiments, such as the sound of the occurrence, interference, sound conduction of various substances. Specification: Features: physical experimental instrument, and practical. Two tuning forks of the same efficiency are made of the whole 45# carbon steel. The edges and corners are neat and the is chrome plated, the frequency is 440 cycles per second. The tuning fork set is used to demonstrate the resonance of sound in school. Can be used as a general tuning fork of a variety of experiments, such as the sound of the occurrence, interference, sound conduction of various substances. Specification: Condition: 100% Frequency: 440 cycles per second Fork section size: 6.5 * 16mm / 0.3 * 0.6in Tuning fork arm length: approx. 109mm / 4.3in Distance between arms:17mm / 0.7in Package List: 2* Tuning Fork 2* Wood Resonator Box 1* Knocker Note: 1. The tuning fork should be protected from breaking and high heat to prevent frequency change. 2. The tuning fork and the sound box should have a reliable connection and should not be shaken when the tuning fork is inserted or removed. Package List