QRO.cz Stack Match High Power Broadband Antenna Phasing Switches are high-performance broadband antenna combiner designed to impedance match two Yagi antennas to a single transceiver (TRX). Ideal for mono-band, tri-band, or multi-band antenna systems, they support both in-phase (BiP) and out-of-phase (BoP) configurations, enabling advanced stacking and phasing configurations. Whether you're optimizing a contest station or enhancing DX performance, these Stack Match 1-2 switches allow seamless switching between upper, lower, BiP, and BoP modes. Built with high-quality components and housed in a rugged aluminum enclosure makes them a reliable choice for demanding HF operations.

Included in package

• (1) Stack Match, assembled and tested

• (1) Mounting Holder, with bracket

Key Features

• Flexible Phasing Options: Supports four selectable modes—ANT1, ANT2, BiP (in-phase), and BoP (out-of-phase), and features an Internal Wide-band phasing unit

• Power Handling: Available in Medium Power (up to 3kW) and High Power (up to 5kW) versions, suitable for CW, SSB, RTTY DX operation. In contest mode: CW, SSB 75% and RTTY 50% of HF power

• Wide Compatibility: Works with mono-band, tri-band, and multi-band Yagi antennas

Additional Feature and Specifications:

• Frequency Range: 1.8 to 30MHz

• Power Consumption: < 6W

• Relay voltage:12VDC

• Impedance: 50-Ohm

• Front-end Protection: none

• Controller: Not included

• Dimensions: 8.74 x 5.71 x 2.95in. (222x145x75mm)

• Status LED indicators

• QRO.cz cores with great HF parameters

• QRO64-61 for power up to 3kW

• QRO64-2D-61 for power up to 5kW

• Two relays in series 4x8A in RF lines

• High quality ATC RF capacitors

• High quality connectors

• Aluminum shield enclosure with holder

• Aluminum mounting holder with bracket

• Stainless Screws