Aggregate Throughput: Approx. 17.98 Gbps (sum of per-band maximums: 0.688 Gbps 2.4 GHz + 5.76 Gbps 5 GHz + 11.53 Gbps 6 GHz; not stated as an aggregate by Juniper)
Radios (bands): 4 radios: 2.4 GHz, 5 GHz, 6 GHz, plus a dedicated scanning radio; BLE and IoT radios also present
Uplink Port Speed: 2 Ethernet ports, both PoE-capable; speed not confirmed by Juniper HCT (retailer listings cite 2.5 GbE)
Max Clients: Not published by Juniper or found in sources
PoE Requirement: 802.3at or 802.3bt; 29.3 W required for full functionality
Antennas: Internal; peak gain 6 dBi (2.4 GHz), 8 dBi (5 GHz and 6 GHz)
USB Ports: 1
Dimensions (H x W x D): 9.1 x 9.1 x 3.2 in (23 x 23 x 8.2 cm)
Weight: 3.31 lb (1.5 kg)
Operating Temperature: 32 to 104 F (0 to 40 C)
Operating Altitude: 10,000 ft (3,048 m)
Deployment: Indoor; Juniper Mist cloud-managed
Curation Review
✔ Pros:Wi-Fi 7 (802.11be) with 4x4 radios on 5 and 6 GHz; Dedicated scanning radio for security and RF monitoring; Two PoE-capable Ethernet ports; Built-in BLE and IoT radios; Cloud management through Juniper Mist; Backward compatible with 802.11a/b/g/n/ac/ax
✘ Cons:Max client count not published; Uplink port speed not confirmed by Juniper; Requires 802.3at/bt PoE (29.3 W), so older 802.3af switches cannot power it fully; Indoor-only deployment with a 0 to 40 C operating range; Price varies widely because retailer bundles include multi-year Mist cloud subscriptions; Full cloud features depend on paid subscriptions
Spatial Streams (MIMO): 4x4:4 on each of the three client radios (2.4 GHz, 5 GHz, 6 GHz); MU-MIMO and OFDMA supported
Aggregate Throughput: Up to 7.78 Gbps tri-radio aggregate (maximum over-the-air PHY/chipset frame rate, not per-client throughput)
Radios (bands): Tri-radio 4x4:4: 2.4 GHz client radio, 5 GHz client radio, 6 GHz client radio; plus tri-band scanning radio (2.4/5/6 GHz) for security/RF analytics and a 2.4 GHz Bluetooth Low Energy radio
Uplink Port Speed: 1x multigigabit RJ45 (100 Mbps / 1 Gbps / 2.5 Gbps / 5 Gbps BASE-T); also 1 USB 2.0 Type-A port
Max Clients: Not published in the sources reviewed
PoE Requirement: 802.3bt (UPOE) 30.5 W for full functionality including USB; 802.3at (PoE+) 25 W supported with reduced functionality and no USB; 802.3af not supported; 54 V DC option available
Form Factor: Indoor ceiling/wall-mount access point; omnidirectional (CW9166I) or directional (CW9166D1) antenna variants
Dimensions: 241.3 x 241.3 x 56.9 mm (CW9166I) / 57.9 mm height (CW9166D1); approx. 1.6 kg
✔ Pros:Tri-band Wi-Fi 6E with 4x4:4 on every client radio for high-density capacity; dedicated tri-band scanning radio for WIPS, spectrum analysis, and location analytics; multigigabit 5 Gbps uplink on a single RJ45 port; Bluetooth Low Energy radio for beacons and asset tracking; supports both Catalyst 9800 controller and Meraki cloud management; full functionality on 802.3bt PoE with USB output
✘ Cons:Full feature set requires 802.3bt (UPOE) power, and 802.3at operation reduces functionality; only one uplink port, so no link aggregation or redundancy; premium price compared with many Wi-Fi 6E APs; maximum client count is not published in available sources; Catalyst (CW9166I-B/-E) and Meraki (CW9166I-MR) SKUs are the same hardware under different management licences, which can confuse purchasing; end-of-sale/end-of-life status is unconfirmed and should be checked with Cisco