CP-8821-EX-K9-BUN – wireless VoIP phone

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CP-8821-EX-K9-BUN

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List Price: $2827 $488
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CP-8821-EX-K9-BUN Description

The Cisco Wireless IP Phone 8821-EX (CP-8821-EX-K9-BUN) is a ruggedized, explosion-proof wireless handset engineered for use in hazardous environments, such as oil refineries, chemical plants, and industrial sites.Certified for IECEx and ATEX Zone 1 hazardous areas, the 8821-EX provides reliable VoIP communications over secure Wi-Fi networks while ensuring safety in explosive atmospheres. With a 2.4-inch color display, wideband audio, and noise suppression technology, the 8821-EX delivers clear and uninterrupted communications even in noisy environments.Built with a rugged design, the handset is IP67-rated for dust and water resistance and supports up to 13 hours of talk time with its lithium-ion battery. Integrated Bluetooth and a 3.5 mm headset jack provide flexible connectivity, while advanced security protocols such as 802.1X, WPA2-Enterprise, and AES encryption safeguard enterprise communications.The CP-8821-EX-K9-BUN bundle includes the handset, battery, belt clip, and charging station, making it a ready-to-deploy solution for enterprises operating in hazardous industrial environments.

Quick Specs

Parameter

Specification

Device Type

Ruggedized Wireless IP Phone (Explosion-Proof, EX version)

Display

2.4-inch color display, 240 × 320 pixels

Wireless

Dual-band 802.11a/b/g/n/ac Wi-Fi (2.4 GHz & 5 GHz)

Rugged Design

IECEx/ATEX Zone 1 hazardous area certification

Audio

Wideband audio, noise suppression, full-duplex speakerphone

Battery

Lithium-ion, up to 13 hours talk time

Headset Support

3.5 mm jack, Bluetooth headset

Security

802.1X, WPA2-Enterprise, TLS, AES encryption

Dimensions

5.2 in × 2.1 in × 0.7 in (132 × 53 × 18 mm)

Weight

~4.8 oz (136 g)

Accessories

Charging station, battery, belt clip (bundled)

Call Control Platforms

Cisco UCM 9.1.2+, CME 10.3+, BE6000, HCS

Product Comparison

Feature / Model

CP-8821-K9

CP-8821-EX-K9-BUN

CP-8851-K9

Device Type

Rugged Wi-Fi IP Phone

Explosion-proof Wi-Fi IP Phone

Desktop IP Phone

Display

2.4″, 240 × 320 color

2.4″, 240 × 320 color

5″, 800 × 480 color

Wireless

Wi-Fi 802.11a/b/g/n/ac

Wi-Fi 802.11a/b/g/n/ac

Not supported

Explosion Proof

No

Yes (IECEx/ATEX Zone 1)

No

Battery Life

~13 hours talk

~13 hours talk

N/A

Headset Support

3.5 mm + Bluetooth

3.5 mm + Bluetooth

RJ-9, USB, Bluetooth

Rugged Rating

IP67

IP67 + Hazardous Zone 1

N/A

Best Use Case

Rugged field workers

Hazardous industrial zones

Office/enterprise desk phone

Model Selection Guide – Cisco CP-8821-EX-K9-BUN

  • Hazardous Industrial Environments
    Certified for explosion-proof operation, the CP-8821-EX-K9-BUN is purpose-built for industries such as oil & gas, mining, and chemical plants, where standard wireless phones are not permitted.
  • Mobile Industrial Workforce
    With rugged IP67 protection, Wi-Fi roaming, and noise-cancelling wideband audio, it supports engineers, technicians, and safety personnel who need reliable communication in the field.
  • Secure Enterprise Deployments
    Designed with enterprise-grade security, including AES encryption and 802.1X authentication, the 8821-EX ensures compliance with strict IT and safety policies.
  • Healthcare & Utilities
    Useful in utilities, manufacturing, and healthcare labs, where mobile staff operate in potentially hazardous environments requiring certified explosion-proof devices.
  • Bundle Advantage
    The K9-BUN package includes all required accessories for immediate deployment, reducing procurement complexity for enterprises.

Specifications

Parameter Specification
Model Cisco IP Conference Phone 8832 (CP-8832-K9)
Device Type IP Conference Phone
Display 3.9-inch color LCD, 480 × 128 pixels
Microphone Pickup Range 360°, up to 20 ft (6.1 m)
Expandable Coverage Wired/wireless microphone kits, supports up to 42 × 30 ft rooms
Ethernet Port 1 × 10/100BASE-T (PoE)
USB Port 1 × USB 2.0 (service & accessories)
Bluetooth Not supported
Wi-Fi Not supported (available on CP-8832-W-K9)
Speakerphone Full-duplex, wideband audio, echo cancellation
Audio Codecs G.711, G.722, G.729, iLBC, Opus
PoE Support IEEE 802.3af Class 3
Power Options PoE, optional Cisco Power Injector or AC Adapter
Call Control CUCM 10.5.2+, CME 11.0+, BE6000, HCS
Dimensions 12.6 in × 12.6 in × 1.6 in (320 × 320 × 40 mm)
Weight ~2.6 lb (1.18 kg)

Get More Information

Discover unbeatable prices and fast shipping for the CP-8821-EX-K9-BUN Access the detailed CP-8821-EX-K9-BUN datasheet and ensure you’re getting the best deal with our reliable delivery service. Need assistance? Our free live chat support is here to help. For more information about the product and pricing, contact us via Live chat or email us at [email protected]

Quality Certifications

Customer Reviews

Write A Review
5.0
(4 reviews)
5 Stars
4
4 Stars
0
3 Stars
0
2 Stars
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1 Stars
0
    Mark Watney
    Posted on 12/08/2024
    Verified Buyer
    5.0

    It survived the environment. Tough little phone. Battery life is excellent.

    Safety Officer
    Posted on 10/04/2024
    Verified Buyer
    5.0

    ATEX certified for hazardous environments. Critical for our plant floor. Verified genuine.

    Supply Chain
    Posted on 22/01/2024
    Verified Buyer
    5.0

    Documentation for dangerous goods handling was not needed, but the product is safe. Good service.

    Ellen Ripley
    Posted on 30/10/2023
    Verified Buyer
    5.0

    Reliable comms are the only thing keeping us safe. This works.

Questions & Answers

  • What sets Cisco CP-8821-EX-K9-BUN apart for hazardous worksites compared with CP-8821-K9?

    The EX bundle is intrinsically safe for hazardous environments (e.g., petrochemical) and includes certified accessories. It maintains Wi-Fi telephony while meeting stricter safety standards and protective casing requirements.

  • Does CP-8821-EX support the same roaming features as CP-8821?

    Yes. It leverages enterprise Wi-Fi with fast roaming and QoS. Radio power profiles and channels may be fine-tuned for compliant operation in regulated zones.

  • How should I design Wi-Fi for CP-8821-EX in industrial areas?

    Use rugged access points, plan for RF reflections from metal, ensure 5 GHz coverage, and test call quality along evacuation routes and noisy machinery areas.

  • Are EX batteries different from standard 8821 packs?

    The bundle includes batteries and chargers suitable for the certified environment. Follow manufacturer guidance; mixing non-certified parts can void approvals.

  • What headsets work in hazardous areas?

    Use certified headsets specified for the EX environment. Standard consumer Bluetooth may not meet safety requirements—verify accessory certifications.

  • Is CP-8821-EX compatible with CUCM?

    Yes. It registers like CP-8821. Apply the same dial plans, CAC, and SRST policies, with additional safety-compliant device profiles as needed.

  • How to sanitize CP-8821-EX?

    Use approved cleaning agents compatible with the housing material. Avoid solvents that affect intrinsic safety enclosures.

  • What security measures apply?

    WPA2/WPA3-Enterprise, TLS/SRTP, certificate-based auth, and segmented voice SSIDs. Lock device menus to prevent unauthorized changes.

  • How do I monitor device health at scale?

    Use CUCM reports and WLAN analytics. Track battery cycles and roaming events to preempt failures.

  • Troubleshooting call drops in EX zones?

    Check RF shielding, antenna placement, and interference from industrial equipment. Validate handset firmware and AP power settings.

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