Electro-Voice RE3-ACC-ALPA - Active log-periodic antenna UHF (470–960 MHz) with switchable gain 3/10 dB

Electro-Voice RE3-ACC-ALPA - Active log-periodic antenna UHF (470–960 MHz) with switchable gain 3/10 dB

The Electro-Voice RE3-ACC-ALPA is an active log-periodic directional antenna for UHF wireless systems that extends range and improves signal-to-noise ratio in challenging environments. Its switchable 3 dB or 10 dB gain optimizes pickup based on distance and RF environment, while its 100° effective working angle helps reject off-axis interference . It mounts directly to a threaded microphone stand and connects via BNC , making it quick to deploy for touring, rental, or fixed installations. For long runs, low-loss coax (CXU series) is recommended, and if necessary, the antenna gain can be increased by placing an RE3-ACC-RFAMP booster in-line with a short length of coax.

Main features

• Type : Active directional log-periodic UHF antenna.
• Frequency range : 470–960 MHz .
• Selectable gain : 3 dB or 10 dB .
• Effective working angle : 100° to focus reception and reduce unwanted signals.
• RF Connection : BNC ; low-loss CXU cables recommended.
• Mounting : Standard 5/8"–27 microphone stand thread (flange/swivel with screwdriver tightening).
• Compatibility : UHF receivers and antenna splitters with BNC inputs in the indicated range.
• Combined use : option to add RE3-ACC-RFAMP to increase the effective antenna gain.
• Lightweight construction , black color; net weight 328 g.

Product benefits

• Stable Coverage : Switchable directivity and gain boost headroom and improve intelligibility.
• Rapid deployment : direct mounting on mic stand and standard BNC connection.
• Scalability : possibility of combining with RF booster and low-loss coaxial cables for long runs.
• Band versatility : a single model covers multiple professional bands between 470 and 960 MHz.

Use cases

• Theaters, corporate events, and tours with multiple wireless links.
• Fixed installations with remote antennas and racks away from the stage.
• Audiovisual production and broadcast with off-axis interference control.

Frequently Asked Questions

• Does it require external power? It's an active antenna and is designed to be integrated into RE3 systems powered via coaxial cable from compatible equipment (e.g., splitters and receivers that supply coaxial power).
• Can I use it with long cables? Yes; use low-loss coaxial cables (CXU) and, if necessary, add an RE3-ACC-RFAMP inline near the antenna.
• Is it compatible with other systems? Any UHF system within the 470–960 MHz range with a BNC and adequate coaxial feed should be compatible.

Description for projects

Active directional log-periodic UHF antenna; 470–960 MHz band; 3/10 dB switchable gain; 100° effective working angle; BNC connector; 5/8"–27 threaded microphone stand mount; approx. dimensions: width 382 mm, thickness 36.6 mm; net weight 328 g (gross weight 780 g); recommended for use with CXU series low-loss cables and RE3-ACC-RFAMP in-line booster when higher antenna gain is required.