The Shure PA411 Antenna Combiner distributes DC power and RF signal for up to four Shure PSM®300 transmitters. The compact half-rack system significantly reduces the amount of antennas and power supplies needed when using multiple systems.

Shure PA411 Four Port Antenna Combiner Features

• Wideband 470 to 865 MHz frequency range
• Main RF output connects to standard 1/4 wave PSM antenna
• RF LED Indicators display signal present, signal overload per input
• Power output distributes DC power to PSM transmitters (accessory power cable required)
• Front panel power switch

Shure PA411 Four Port Antenna Combiner Specifications

• Power Requirements: 15 VDC
• DC Output: 12 VDC (×4)
• Output Current Combined total from all DC outputs: 1.4 A, maximum
• Operating Temperature Range: -18 °C to 63 °C
• Dimensions: 42 × 177 × 198 mm H × W × D
• Net Weight: 1.62 kg (3.6 lbs)
• RF Input Connector Type: BNC
• RF Frequency Range: 470 to 865 MHz
• Maximum Input Level: 20 dBm Per Channel
• Input Port Isolation: 50 dB, typical
• RF Input Power Operating Range Per Channel: 4.5 to 15 dBm
• LED Indicator Minimum Detection Threshold: 3 dBm ± 1 dB
• RF Overload LED Threshold: 17.5 dBm ± 1 dB
• Impedance: 50 O
• RF Output RF Frequency Range: 470 to 865 MHz
• Output Intercept Point (OIP3): 48 dBm, typical
• Connector Type: BNC
• Impedance: 50 O
• Output to Input: 40 dB, typical
• Input to any Output Port: -5 to 0 dB