C9120AXE-EWC-D is a D-domain Catalyst 9120AXE for challenging indoor environments, combining external antenna interfaces with Cisco's Embedded Wireless Controller image. It is distinct from AXI internal-antenna and AXP professional-install SKUs.
Verify D-domain approval for the precise installation country in Cisco's current compliance tool. The regulatory suffix affects permitted radio operation and cannot be replaced by a controller setting. C9120AXE-EWC-B is a different B-domain orderable PID.
The AP purchase does not complete the RF bill of materials. Match Cisco-supported antenna PIDs, connector/cable assemblies, mounting orientation and cable loss to the survey. Calculate local EIRP and preserve antenna gain, channel, transmit-power and country-code evidence.
Cisco lists IOS XE 16.12.2 or later as the minimum EWC software for C9120AXE-EWC-x, while its lifecycle notice identifies 17.15.x as the final EWC train on C91xx Wi-Fi 6 APs. The affected EWC SKU reached end of sale on November 29, 2024, with last support on November 30, 2029 under applicable entitlement.
Cisco states that these APs can be converted to lightweight CAPWAP mode for operation with a supported WLC beyond the EWC software boundary. Before conversion, verify controller/AP compatibility, preserve configuration and define rollback. On receipt record the exact -D label, serial, antenna BOM, approved country, release, EWC role and radio health.
Official evidence: Cisco EWC minimum software and ordering table, Cisco Catalyst 9120AXE data sheet, Cisco regulatory approval lookup and Cisco EWC lifecycle bulletin.
| Exact model / SKU | C9120AXE-EWC-D |
| Exact PID | C9120AXE-EWC-D |
| Regulatory domain | D |
| Deployment | Indoor, challenging environments |
| Antenna architecture | External antennas; separate RF design and compatible antenna BOM required |
| Controller image | Cisco Embedded Wireless Controller |
| Minimum EWC software | Cisco IOS XE 16.12.2 or later |
| Final EWC software train | Cisco IOS XE 17.15.x |
| EWC end of sale / last support | 2024-11-29 / 2029-11-30 |
| Migration | Cisco documents conversion to lightweight CAPWAP mode; validate target WLC |
| Acceptance | Exact -D PID/serial, country approval, antenna/EIRP record, EWC release, radio state and rollback plan |
| Source match | C9120AXE-EWC-D: exact exact D-domain external-antenna EWC identity, RF bill and software lifecycle verified |
| Official manufacturer reference | Cisco Embedded Wireless Controller official data sheet |
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C9120AXE-EWC-D Cisco Catalyst 9120AXE WiFi 6 Access Point with EWC is a CISCO Catalyst 9120 Series Access Points product supplied by YYST Global for enterprise IT procurement and infrastructure projects.
For C9120AXE-EWC-D, the manufacturer specification lists antenna architecture as External antennas; separate RF design and compatible antenna BOM required.
C9120AXE-EWC-D is in stock at YYST Global. Contact the sales team to confirm the required quantity, exact configuration, delivery destination and current lead time before ordering.
Please request a quote for C9120AXE-EWC-D. Final pricing depends on stock, quantity, configuration and delivery destination.
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