Freeze the E-domain K9C software state and external RF assembly as one rollback unit. Save image, role, country configuration, antenna PIDs, four path labels, cable loss and mounting drawing before change.
When testing a new controller or role, compare PoE negotiation, AUX availability, channel state and client service with that baseline. The change is unsuccessful if software recovers but antenna or power behavior drifts.
Return-to-service requires a restored configuration checksum, correct regulatory state, complete antenna package and repeatable coverage sample. Keep April 30, 2027 visible as the support deadline.
Official Cisco source: Cisco Aironet 1850 exact lifecycle bulletin.
| Exact model / SKU | AIR-AP1852E-E-K9C |
| Exact Cisco PID | AIR-AP1852E-E-K9C |
| Procurement purpose | Configurable AP and antenna package rollback |
| Rollback unit | K9C image/role plus complete external RF assembly |
| Baseline | Country, four paths, cable loss, mount, PoE, AUX and channels |
| Restore proof | Configuration checksum and repeatable coverage sample |
| Support deadline | Last Cisco support 2027-04-30 |
| Source match | AIR-AP1852E-E-K9C: Configurable AP and antenna package rollback; independent engineering acceptance record |
| Official manufacturer reference | Cisco Aironet 1850 exact lifecycle bulletin |
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AIR-AP1852E-E-K9C Cisco Aironet 1852e Dual-band 4x4 MIMO AP is a CISCO Aironet 1850 Series Access Points product supplied by YYST Global for enterprise IT procurement and infrastructure projects.
AIR-AP1852E-E-K9C 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.
The current reference price for AIR-AP1852E-E-K9C is US$ 958.00. Final pricing can change based on stock, quantity, configuration and delivery destination.
Confirm the exact model suffix, interfaces, power option, software or licenses, included accessories, new factory sealed, warranty and destination requirements before ordering AIR-AP1852E-E-K9C.
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AIR-AP1852E-UXK9 is Cisco's single-unit Aironet 1852E Universal Domain access point with external antennas; the external-antenna design requires a separately validated antenna and RF plan.

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AIR-AP1852E-C-K9: Operations handover packet for a C-domain 1852e. Verify the exact PID, regulatory state and acceptance evidence before purchase.

AIR-AP1852E-C-K9C: Directional antenna package acceptance. Verify the exact PID, regulatory state and acceptance evidence before purchase.

AIR-AP1852E-H-K9C: External-antenna recovery under restricted PoE. Verify the exact PID, regulatory state and acceptance evidence before purchase.

AIR-AP1852E-A-K9 is a 1852e indoor access point for separately purchased external antennas, supplied as a single-unit fixed-domain K9 order for regulatory-domain token A. Verify destination approval, controller software, PoE mode, exact quantity, antenna or mounting bill of materials and the 30 April 2027 support cutoff before purchase.

AIR-AP1852E-A-K9C is a 1852e indoor access point for separately purchased external antennas, supplied as a single-unit configurable K9C order for regulatory-domain token A. Verify destination approval, controller software, PoE mode, exact quantity, antenna or mounting bill of materials and the 30 April 2027 support cutoff before purchase.