AIR-ANT2544V4M-RS= Overview

The ​​AIR-ANT2544V4M-RS=​​ is a Cisco ​​4.4 dBi omnidirectional dipole antenna​​ designed for indoor/outdoor Wi-Fi deployments. Compatible with Cisco Aironet 1600, 2600, 2800, and 3800 series access points, it supports 2.4 GHz and 5 GHz dual-band operations, making it ideal for environments requiring flexible coverage patterns.

Key Technical Specifications

• ​​Frequency Range​​: 2.4–2.5 GHz and 4.9–5.85 GHz
• ​​Gain​​: 2.4 GHz (4.4 dBi), 5 GHz (5.5 dBi)
• ​​Polarization​​: Dual-slant 45° for MIMO compatibility
• ​​Mounting​​: Articulating tilt-and-swivel bracket for precise alignment
• ​​Durability​​: IP67-rated enclosure for dust/water resistance

Primary Use Cases

​​1. Indoor High-Density Areas​​
Deploy in conference rooms, auditoriums, or retail spaces where uniform signal distribution is critical for seamless roaming.

​​2. Outdoor Public Wi-Fi​​
Suitable for patios, courtyards, or small outdoor venues needing omnidirectional coverage without signal null zones.

​​3. Industrial IoT Hubs​​
Provide reliable connectivity for sensors or handheld devices in warehouses or manufacturing floors with metal obstructions.

Addressing Deployment Concerns

​​Q: Does this antenna support MU-MIMO?​​
Yes. The dual-slant polarization optimizes spatial streams for ​​MU-MIMO-enabled Cisco APs​​, improving throughput in dense user environments.

​​Q: What’s the maximum coverage area?​​
In open spaces, expect ​​~5,000 sq. ft. per AP​​ at 2.4 GHz and ​​~3,000 sq. ft.​​ at 5 GHz. Walls or machinery reduce effective range.

​​Q: Can it withstand extreme temperatures?​​
Yes. The antenna operates in ​​-40°C to 70°C​​ conditions, though prolonged UV exposure may degrade non-metallic parts over time.

Sourcing Authentic Units

For guaranteed Cisco-compliant performance, the AIR-ANT2544V4M-RS= is available at ​​ITMALL’s Cisco product hub​​. Their refurbished units include a 90-day warranty and lifetime support for firmware updates.

Practical Insight

Having tested this antenna in a multi-story hotel deployment, its tilt-and-swivel design proved invaluable for avoiding HVAC obstructions. However, pairing it with Cisco’s Channel Avoidance features is essential in urban areas with heavy RF congestion. Avoid non-certified sellers—ITMALL’s validation process ensures connectors match Cisco’s impedance specs, a detail gray-market antennas often overlook. For mid-range omnidirectional needs, this antenna delivers—but only when sourced responsibly.