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AIR-ANT2451NV-R
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24GHZ 3DBI/5 GHZ 4DBI 80211N DUAL BAND OMNI ANTENNA
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
AIR-ANT2451NV-R
- Description:
- 24GHZ 3DBI/5 GHZ 4DBI 80211N DUAL BAND OMNI ANTENNA
- Rating:
Added to cart 28 times recently
- Availability:
Ready to Ship
- Brand:
- Cisco
- GTIN:
- 0660166297357
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$525.04
- Price:
$273.0248% off
Quantity:
1
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AIR-ANT2451NV-R Overview
AIR-ANT2451NV-R is a high-performance wireless antenna engineered for outdoor applications, supporting dual frequency operation in the 2.4GHz and 5GHz bands. Designed to enhance signal focus and reach, this directional antenna delivers reliable connectivity in environments that demand long-distance coverage without compromising on performance.
Optimized for point-to-point links and outdoor wireless networks, AIR-ANT2451NV-R features a robust design with a 10dBi gain for precise beam targeting. Its versatile mounting options, including pole and outdoor mounts, make it ideal for large campuses, industrial sites, and other areas where extended coverage and aggressive weatherproofing are essential.
AIR-ANT2451NV-R price is $273.02, a 48% saving from the Cisco list price of $525.04. AIR-ANT2451NV-R is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for AIR-ANT2451NV-R for additional pricing. Browse the full Cisco Antenna 2.4 Ghz & 5 Ghz series or explore all Cisco products.
AIR-ANT2451NV-R Specifications
- Product Type
- Wireless Product
- Brand
- Cisco
- Wireless Type
- Antenna
- Frequency Bands
- 2.4GHz/5GHz
- Antenna Type
- Directional
- Antenna Gain
- 10dBi
- Mounting Options
- Pole Mount, Outdoor Mount
- Compliance
- FCC, CE, RoHS
- Outdoor Use
- Yes
- Product Name
- AIR-ANT2451NV-R
AIR-ANT2451NV-R Use Case
Enterprise Warehouse Inventory Management
In a 800,000 sq ft distribution center, ceiling-mounted AIR-ANT2451NV-R dual-band omni antennas deliver 2.4 GHz (3 dBi) and 5 GHz (4 dBi) 802.11n coverage throughout aisles. The 360° radiation pattern ensures uninterrupted connectivity for barcode scanners, automated guided vehicles and inventory tracking sensors. Outcome: 99.9% network uptime, 40% improvement in real-time inventory accuracy and streamlined order fulfillment.
Outdoor Campus Wireless Mesh Deployment
Across a 250-acre university campus or hospitality resort, deploying AIR-ANT2451NV-R 802.11n dual-band omni antennas on light poles creates a resilient outdoor mesh network. The balanced 3 dBi/4 dBi gain and omnidirectional coverage eliminate dead zones in courtyards and walkways while supporting 200+ concurrent clients per node. Outcome: 20% faster page loads for students and guests, simplified network expansion and reduced maintenance overhead.
Remote Industrial IoT Connectivity for Agriculture
On a large agricultural estate, installing AIR-ANT2451NV-R on silo and greenhouse rooftops provides stable 2.4 GHz/5 GHz links for soil moisture sensors, weather stations and irrigation controllers up to 1.2 miles apart. The omni-directional design and dual-band performance minimize multipath fading in varied terrain. Outcome: 25% increase in sensor data reliability, 15% reduction in water usage and real-time monitoring for precision farming.
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Product Comparison Table 
| AIR-ANT2451NV-R |  AIR-ANT25137NP-R |  AIR-ANT2566P4W-R |  AIR-ANT2566D4M-R |  AIR-ANT5160NP-R | |
|---|---|---|---|---|---|
| Product Type | Wireless Product | Wireless Antenna | Wireless Product | Wireless Product | Wireless Product |
| Wireless Type | Antenna | Antenna | Antenna | Antenna | Antenna |
| Frequency Bands | 2.4GHz/5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 5GHz |
| Antenna Type | Directional | Directional | Omnidirectional | Omnidirectional | Directional |
| Antenna Gain | 10dBi | 13dBi | 8dBi | 5dBi | 10dBi |
| Mounting Options | Pole Mount, Outdoor Mount | Wall Mount / Pole Mount / Outdoor Mount | Wall Mount / Pole Mount | Wall Mount / Pole Mount | Pole Mount / Wall Mount |
| Compliance | FCC, CE, RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS |
| Outdoor Use | Yes | Yes | Yes | Yes | Yes |
| Product Name | AIR-ANT2451NV-R | AIR-ANT25137NP-R | AIR-ANT2566P4W-R | AIR-ANT2566D4M-R | AIR-ANT5160NP-R |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
M
Marcus Feld
4
Dual band omni performed well in mixed environments. Easy mount.
N
Nimra Khalil
5
Balanced coverage on both bands. Clean installation.
V
Victor Salas
4
Consistent signal and sturdy housing.
E
Elena Petrova
4
Good upgrade from stock antennas.
H
Hamza Javed
4
Met expectations for office coverage.
Questions & Answers
What frequency bands does the AIR-ANT2451NV-R antenna support?
The AIR-ANT2451NV-R antenna operates on dual bands: 2.4 GHz with 3 dBi gain and 5 GHz with 4 dBi gain, optimized for 802.11n networks.
What is the radiation pattern of the AIR-ANT2451NV-R?
It features an omnidirectional radiation pattern delivering 360° horizontal coverage and approximately 15° vertical beamwidth on both bands.
Which connector type does the AIR-ANT2451NV-R use?
The antenna uses an RPSMA male connector for seamless integration with most access points, bridges, and routers.
Is the AIR-ANT2451NV-R antenna compatible with Cisco wireless devices?
Yes. It is fully compatible with Cisco Aironet access points and wireless LAN bridges that use RPSMA ports.
Can I install the AIR-ANT2451NV-R antenna outdoors?
Yes. It features a UV-stable radome and weatherproof construction to withstand rain, snow, and temperature extremes.
What mounting hardware is included with the AIR-ANT2451NV-R?
The antenna ships with a weatherproof mounting kit, including an adjustable mast clamp and grounding wire for secure installation.
What mast diameter does the AIR-ANT2451NV-R support?
It supports mast diameters from 1¼" to 2" (32 mm to 51 mm) using the included adjustable clamp.
How do I install the AIR-ANT2451NV-R antenna?
Mount the antenna on a suitable mast with the provided clamp, orient vertically for omnidirectional coverage, and attach the RPSMA connector.
What type of coaxial cable should I use with this antenna?
Use a low-loss coaxial cable (for example, LMR-400) with RPSMA connectors to minimize signal attenuation.
What gain can I expect from the AIR-ANT2451NV-R?
Expect 3 dBi gain on 2.4 GHz and 4 dBi gain on 5 GHz, enhancing signal strength and network reliability.
What beamwidth does this omnidirectional antenna provide?
It delivers a 360° horizontal beamwidth and approximately 15° vertical beamwidth for uniform coverage in all directions.
What VSWR performance does the AIR-ANT2451NV-R offer?
It maintains a VSWR of 2:1 or better across both 2.4 GHz and 5 GHz bands, ensuring efficient signal transmission.
Is the AIR-ANT2451NV-R antenna IP-rated?
While not officially IP-rated, it features a rugged, sealed radome and base to resist moisture and harsh outdoor conditions.
What applications is this dual-band omni antenna suited for?
Ideal for enterprise Wi-Fi, point-to-multipoint links, campus networks, and outdoor 802.11n coverage deployments.
Does the AIR-ANT2451NV-R support MIMO configurations?
It supports single-stream MIMO; for full multi-stream MIMO performance, deploy multiple antennas per device per manufacturer guidelines.
Can this antenna extend my wireless range?
Yes. Its dual-band gain and omnidirectional pattern can extend reliable coverage up to several hundred meters in open environments.
Is the AIR-ANT2451NV-R backward compatible with legacy Wi-Fi standards?
Yes. It supports 802.11b/g on 2.4 GHz and 802.11a on 5 GHz, ensuring interoperability with older wireless devices.