Description
AP6 840 
Cloud-managed indoor Wi-Fi 6 access point. 4×4:4 dual-radio design for medium-to-high density sites.
Enterprise Wireless Connectivity
Concurrent 2.4/5 GHz with higher spatial streams for offices, education, and larger retail.
Wireless Performance and Architecture
4×4:4 MIMO. Theoretical rates up to approximately 3550 Mbps. Internal dual-band antennas and DFS aid coverage.
Network Management
Sophos Central only (local UI for single AP). Auto-discovery after network connection. No Sophos firewall management.
Security and Access Control
Encryption, VLANs, guest isolation, and policies applied via Central. Integrates with broader Sophos security where licensed.
Deployment Flexibility
Desktop, wall, or ceiling mount with included bracket. 2.5G PoE+ power and data. Indoor only.
Performance in Business Environments
Medium-to-high density loads. Not positioned for outdoor use or maximum 6 GHz capacity (see AP6 840E).
Installation and Administration
Mount, connect PoE+, onboard in Central, configure SSIDs/radios/security, and test. Firmware updates via cloud.
Why Choose AP6 840?
Practical step-up from 420-series models when higher spatial streams are needed without 6 GHz. Fits Sophos Central environments.
Configuration Guide
Step 1 – Physical Installation
Indoor location. Attach the included wall or ceiling bracket and secure the AP.
Step 2 – Connect Ethernet/PoE
Use Cat5e or better to an 802.3at PoE+ switch or injector (2.5G capable preferred).
Step 3 – Access Management
Sophos Central account required. The AP auto-discovers. Local UI available for a single unit. Open ports 443, 80, and 123.
Step 4 – Network Settings
Configure IP (DHCP or static), VLANs, and management network via Central.
Step 5 – Wireless Networks
Create SSIDs, set security and authentication, map VLANs, and configure guest networks via Central.
Step 6 – Radio Settings
Configure bands, channels, channel width, and power within Central and regulatory limits.
Step 7 – Security
Apply encryption and access controls via Central policies.
Step 8 – QoS and Roaming
Enable available Central features as licensed and firmware support allows.
Step 9 – Firmware
Schedule updates through Sophos Central.
Step 10 – Testing
Verify online status, client association, coverage, throughput, roaming, VLANs, and review logs.
AP6 840 Mounting Options
Wall Mount
Included bracket with screws and anchors. Place high for optimal coverage.
Ceiling Mount
T-bar bracket (15/16″ or 9/16″) included. Optional tile, plenum, or suspend kits available. Center the AP in the coverage area.
Desktop or Surface
Place on a stable flat surface. Indoor use only. Follow manufacturer orientation guidelines.
Installation Best Practices
Manufacturer Guidelines
Indoor installation only. Operating temperature 0–40 °C. Use 802.3at PoE+. Use the included bracket.
General Best Practices
Maintain clear line-of-sight where possible. Avoid metal and concrete obstacles. Use non-overlapping channels. Match density expectations to the medium-to-high positioning. Use quality cabling. Apply VLAN and security segmentation. Keep firmware current. Monitor RF and client performance.
Six Main Features
4×4:4 Dual-Radio Wi-Fi 6
Higher spatial streams on 2.4/5 GHz.
Benefit: Greater capacity for medium-to-high density.
Sophos Central Management
Cloud configuration, monitoring, and firmware; local UI for single AP.
Benefit: Centralized control across sites.
2.5G Multigigabit PoE+
802.3at PoE+ uplink.
Benefit: Higher backhaul without extra switches.
Larger Indoor Form Factor
225 × 225 × 43 mm, 1.2 kg, included mounting.
Benefit: Stronger coverage footprint.
DFS and Modern Security
DFS channels plus WPA3 options via Central.
Benefit: Better spectrum use and stronger authentication.
Limited Lifetime Warranty
Plus medical compliance (EN 60601-1-2).
Benefit: Long-term reliability.
Product Deployment Scenarios
1. Enterprise Offices
Medium-to-large open floors. Higher streams handle denser client groups. Plan channels and PoE capacity.
2. SMBs
Growing offices needing more capacity than entry models. Avoid extreme density.
3. Education
Higher-education classrooms and buildings. Moderate-to-high density support. Follow indoor limits.
4. Hospitality
Meeting spaces and mid-size guest areas. Guest SSIDs via Central.
5. Retail
Larger store floors. Matches official medium-to-high density positioning. Ceiling mount preferred.
6. Branch Offices
Cloud-managed consistency with the Sophos stack. Ideal if Sophos Central is already in use.
7. High-Density Environments
Primary indoor dual-band choice for elevated loads. For 6 GHz or maximum capacity, prefer the AP6 840E.
Benefits for IT Teams
Centralized visibility for administrators. Lower on-site effort for managers. Ecosystem security options for security teams. Higher-capacity dual-band path for owners. Simple PoE installation for integrators.
Who Should Buy AP6 840?
Medium-to-large businesses, higher education, larger retail, branch offices, and sites needing more spatial streams than the 420-series without 6 GHz. Prefer the AP6 840E for 6 GHz or the AP6 420X for outdoor. Ideal for existing Sophos Central users.
AP6 840 Product Comparison
| Spec | AP6 420 | AP6 420E | AP6 840 | AP6 840E | AP6 420X | APX Series |
| Category | Indoor | Indoor | Indoor | Indoor | Outdoor IP67 | Previous Wi-Fi 5 |
| Generation | Wi-Fi 6 | Wi-Fi 6/6E | Wi-Fi 6 | Wi-Fi 6/6E | Wi-Fi 6 | Wi-Fi 5 |
| Bands | 2.4/5 | 2.4/5/6 | 2.4/5 | 2.4/5/6 | 2.4/5 | 2.4/5 |
| Max Throughput | ~2875 Mbps | ~5375 Mbps | ~3550 Mbps | Higher | ~2875 Mbps | Lower |
| Streams | 2×2:2 | 2×2:2 | 4×4:4 | 4×4:4 | 2×2:2 | Varies |
| Radios | Dual | Tri | Dual | Tri | Dual | Dual |
| Ethernet | 1G PoE+ | 2.5G PoE+ | 2.5G PoE+ | 2.5G PoE++ | 2.5G PoE+ | Varies |
| Deployment | Low–med | Med + 6 GHz | Med–high | High + 6 GHz | Outdoor | Legacy |
| Differentiator | Entry Wi-Fi 6 | Adds 6 GHz | Higher streams | Max indoor capacity | Weatherproof | End-of-sale |
Analysis
The AP6 840 is the higher-capacity dual-band indoor model. Choose it when more spatial streams are needed without 6 GHz. Move to the 840E for 6 GHz or highest capacity, the 420/420E for lighter loads, or the 420X for outdoor. It replaces older high-end APX units in Sophos Central environments.
Frequently Asked Questions
What is the Sophos AP6 840?
Cloud-managed indoor Wi-Fi 6 dual-radio access point with 4×4:4 MIMO for medium-to-high density sites.
What Wi-Fi standard does it support?
IEEE 802.11ax (Wi-Fi 6).
What is the max theoretical speed?
Approximately 3550 Mbps aggregate (1150 + 2400 Mbps).
Does it support PoE?
Yes, 802.3at PoE+ on the 2.5G port.
How is it managed?
Sophos Central cloud (primary); local UI for a single AP. It cannot be managed from Sophos firewalls.
Where can it be installed?
Indoor only — desktop, wall, or ceiling. Bracket included.
What is the difference versus the AP6 420?
The 840 offers 4×4:4 streams and 2.5G Ethernet versus 2×2:2 and 1G on the 420.
Is it suitable for business Wi-Fi?
Yes, for medium-to-high density offices, education, and larger retail.
Does it include mounting hardware?
Yes, a wall/ceiling T-bar bracket is included. Optional kits are available.



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