Primary Device
Cisco Catalyst CW9178I
★ 3.4 Value Score
Technical Specifications
- Wi-Fi Standard: Wi-Fi 7 (802.11be); also supports Wi-Fi 6 features (MU-MIMO, OFDMA, BSS Coloring, TWT)
- Spatial Streams (MIMO): 4x4:4 SS on each radio (2.4 GHz, 5 GHz, 6 GHz; plus second 5 GHz radio in quad-radio mode) with 802.3bt power
- Aggregate Throughput: 24 Gbps (quad-radio PHY aggregate, marketing figure; no measured client throughput published)
- Radios (bands): Tri-radio by default: 2.4 GHz, 5 GHz, 6 GHz. Optional quad-radio mode adds a second 5 GHz radio. Also includes a dedicated 2.4 GHz IoT radio and a scanning radio
- Uplink Port Speed: 2x 10 Gbps mGig PoE-in ports (1/2.5/5/10G); 10 Gbps max aggregate in LAG mode
- Max Clients: 1200 (400 per radio)
- PoE Requirement: 802.3bt (Class 6) for full performance: 4x4 on all radios, 10G on both uplinks, USB enabled. 802.3at reduces radios to 2x2 (quad-radio) or 2.5G/1G uplinks and disables USB. 802.3af disables all radios
- Channel Widths: Up to 320 MHz on 6 GHz; up to 160 MHz on 5 GHz
- Form Factor: Indoor ceiling/wall-mount AP, 25 x 25 x 5.1 cm, 1.87 kg (mounting bracket not included)
- Management: Catalyst 9800 WLC (IOS XE 17.15.2+), Catalyst Center, or Meraki cloud (SKU-dependent)
- Max SSIDs/WLANs: 16 per band
Curation Review
- ✔ Pros: Tri-band Wi-Fi 7 with 4x4:4 streams on every radio; 6 GHz support with 320 MHz channels; Dual 10G mGig uplinks with LAG for up to 10 Gbps aggregate backhaul; Supports up to 1200 clients (400 per radio); Dedicated IoT and scanning radios for security and RF analytics; Optional quad-radio mode for extra 5 GHz capacity; Manageable from Catalyst 9800/Catalyst Center or Meraki cloud depending on SKU
- ✘ Cons: Full performance requires 802.3bt (Class 6) PoE, which many switches do not provide; 802.3at power reduces radio and uplink capacity; 802.3af disables all radios; Indoor-only design; Mounting hardware is sold separately; Premium price compared with Wi-Fi 6E and Wi-Fi 6 APs; Regional SKU variants (CFG, RTG, CFG++) complicate sourcing and licensing
- Est. Price: $2,083 - $2,612
Compare Against
Cisco Catalyst 9166 Series (CW9166)
★ 4.2 Value Score
Technical Specifications
- Wi-Fi Standard: 802.11ax (Wi-Fi 6E, 6 GHz capable); also 802.11a/b/g/n/ac backward compatible
- 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
- Management: Catalyst 9800 wireless controllers (IOS-XE) or Meraki cloud (CW9166I-MR / CW9166D1-MR SKUs)
Curation Review
- ✔ 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
- Est. Price: $1,136 - $3,317