QRO.CZ Antenna Switches, Remote

QRO.cz MK2 Classic 6-to-2 Antenna Switches

QRO.cz MK2 Classic 6-to-2 Antenna Switches are engineered to optimize SO2R (Single Operator Two Radios) setups by offering flexible switching configurations. Operators can use the switch to connect two transceivers to up to six antennas, six transceivers to two antennas, or even configure it as a Band Pass Filter (BPF) switch for two transceivers. The MK2 version introduces several enhancements, including improved isolation and a newly integrated Hazard Protection Board for added safety and reliability. This model also incorporates First-Win logic, which ensures that only the first valid control signal is accepted, preventing conflicts. Control is made versatile with BCD (Binary-Coded Decimal) inputs that feature optocoupler isolation and high-voltage protection. The BCD interface is compatible with TTL logic and supports voltages up to 15VDC. Additionally, BCD signals exceeding 13VDC can directly power the internal relays. For added protection, when DC power is not present, all unused antenna ports are automatically grounded.

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