Shure PA421BX: 4-Channel Antenna Combiner for PSM Wireless Systems, 865-960 MHz
Model
:
PA421BX
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Shure PA421BX 4-Channel Antenna Combiner
The Shure PA421BX active antenna combiner streamlines mid size PSM wireless deployments by combining the RF outputs of up to 4 PSM transmitters onto a single transmit antenna, directly replacing the earlier PA421A. Touring and installed venues across Dubai, Abu Dhabi, and the UAE and GCC use it to cut rack clutter and reduce intermodulation distortion and multipath dropouts.
Key Features
- Combines up to 4 PSM transmitters onto a single antenna set
- Wideband 865-960 MHz operation
- Quiet, temperature sensitive fan reduces ambient noise and heat
- Daisy chain up to 2 combiners via the expansion port
- 4 input LED signal indicators plus overload indication
Technical Specifications
| RF Frequency Range | 865-960 MHz |
| Impedance | 50 ohm throughout |
| Power Requirement | 100-240 VAC, 50-60 Hz |
| Power Consumption | 98 W max |
| DC Output (per channel) | 15 VDC, 660 mA max, 9.9 W |
| RF Input / Output Connectors | BNC |
| Operating Temperature | -18 to 63 C (0 to 145 F) |
Why Buy the Shure PA421BX from Trianze Tech?
- Genuine Shure RF distribution equipment sourced through authorized channels
- Universal 100-240V power works directly on UAE mains
- Fast delivery and system design support across Dubai, Abu Dhabi, and the UAE and GCC
Frequently asked
Questions our clients ask before signing.
If you don't see your question here, our consultants will gladly walk you through specifics on a discovery call.
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Talk to a consultant — most queries are answered in a 15-minute call.
The PA421BX combines the RF outputs of up to 4 PSM transmitters into a single output feeding one transmit antenna, directly replacing the earlier PA421A model.
The PA421BX operates on the 865 to 960 MHz wideband range, matching the frequency plan of compatible PSM transmitters in that region.
Yes. Up to 2 PA421BX combiners can be daisy chained together using the expansion port, letting you scale beyond 4 transmitters when needed.
The PA421BX runs on 100 to 240 V AC, 50 to 60 Hz, drawing up to 98 W, so it works directly on UAE mains power without a step down transformer.
Yes. The PA421BX provides 15 V DC outputs at up to 660 mA and 9.9 W per output, with LED indicators for signal presence and overload on each channel.
Trianze Tech stocks the Shure PA421BX 4-channel antenna combiner in Dubai with fast delivery across the UAE and GCC. Call +971 58 161 3661 or message us on WhatsApp for the best price and current stock availability.