Shure PA821B Antenna Combiner
Shure PA821B Antenna Combiner is backordered and will ship as soon as it is back in stock.
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Shure PA821B Antenna Combiner
The Shure PA821B is an active antenna combiner designed for multi-channel wireless systems. It combines up to eight antenna inputs into a single output, significantly reducing the number of antennas required in complex RF setups. This helps minimize antenna clutter while maintaining strong signal distribution to multiple receivers.
The unit features a wideband design that supports multiple frequency bands and includes selectable input attenuation to optimize signal levels. It is ideal for large-scale wireless microphone systems in live sound, broadcast, theater, and installed AV environments where multiple transmitters and receivers operate simultaneously.
| Feature | Benefit |
|---|---|
| Combines Up to Eight Antennas | Reduces antenna count and clutter in multi-channel wireless systems |
| Wideband Operation | Supports multiple frequency bands for flexible system design |
| Selectable Input Attenuation | Optimizes signal levels and prevents overload |
| Active RF Distribution | Maintains strong signal integrity to multiple receivers |
| Rackmount Design | Fits easily into standard 19-inch equipment racks |
| Robust Construction | Ensures reliable performance in professional environments |
| Specification | Details |
|---|---|
| Product Type | Active Antenna Combiner |
| Input Channels | 8 |
| Output | 1 |
| Frequency Range | Wideband (470–960 MHz, model dependent) |
| RF Output Power | +14 dBm (max) |
| Attenuation | Selectable per input |
| Power Requirement | 100–240 V AC, 50/60 Hz |
| Dimensions | 44 x 483 x 366 mm (H x W x D) |
| Weight | 4.8 kg (10.6 lbs) |
| Housing | Steel with extruded aluminum |
| Aspect | Shure PA821B | Shure PA821A | Typical Passive Combiner |
|---|---|---|---|
| Channels | 8 | 8 | Varies |
| Operation | Active | Active | Passive |
| Frequency Range | Wideband | Wideband | Narrower |
| Attenuation Control | Selectable per input | Selectable per input | None |
| Primary Use | Large multi-channel systems | Large multi-channel systems | Smaller setups |
| RF Performance | High signal integrity | High signal integrity | Signal loss possible |
FAQ
- What is the main purpose of the PA821B? It combines up to eight antenna inputs into one output to reduce antenna clutter in multi-channel wireless systems.
- How many inputs does it support? It supports eight antenna inputs.
- Is it active or passive? It is an active combiner that maintains strong signal integrity.
- Does it support wide frequency ranges? Yes, it operates across a wideband frequency range for flexible system design.
- Is it suitable for rack mounting? Yes, it is designed for standard 19-inch rack installation.
- Can input levels be adjusted? Yes, it features selectable attenuation on each input to optimize signal levels.
At Creartion Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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