Wide Frequency Range: Operates from DC to 500 MHz, covering HF, VHF, and UHF bands. High Power Handling: Supports up to 2.5KW PEP and 1KW CW for robust amateur radio and commercial use. Low Insertion Loss: Less than 0.2 dB, ensuring efficient signal transfer and minimal performance loss. Excellent Isolation: Provides over 60 dB isolation at 200 MHz to prevent cross-interference between antennas. Reliable Protection: Selecting an unused port can help protect your radio equipment during storms. Quality Connectors: Equipped with SO-239 (UHF) connectors for universal compatibility with standard coax. 4 Output Ports: Manage multiple antennas or devices with ease using the convenient 4-position switch. The Daiwa CS-401 Antenna Switch is engineered for serious amateur radio operators and RF professionals who require reliability, durability, and performance. Covering a wide frequency range from DC to 500 MHz, it’s suitable for HF, VHF, and UHF applications. With a high power rating of 2.5KW PEP (1KW CW) and an ultra-low insertion loss of <0.2 dB, the CS-401 ensures maximum efficiency in signal transmission. Featuring four SO-239 (UHF) connectors, this switch allows quick and easy management of multiple antennas or radios. Its excellent isolation (>60 dB at 200 MHz) reduces interference, while the built-in protection function lets you select an unused port to safeguard your equipment during electrical storms. Compact, rugged, and easy to install, the CS-401 is a dependable choice for both base stations and field setups.