Ubiquiti UniFi U6-LITE WiFi 6 Access Point

U6-LITE

Physical:

• Dimensions: Ø160 × 33 mm (Ø6.3" × 1.3") - much smaller than UAP-AC-PRO
• Weight: 338g device, 413g with mount - lighter than AC-PRO (350g/450g)
• Material: Polycarbonate and aluminum enclosure
• Mounting: Ceiling/wall mounts
• Operating Temp: -30°C to 60°C (-22°F to 140°F)

Wireless Performance:

• 2×2 MIMO on both bands (NOT 4×4 - the "4 spatial streams" = 2 per band)
• 160 MHz channel support on 5 GHz  (UAP-AC-PRO max is 80 MHz)

5 GHz Band:

• Up to 2.4 Gbps with 160 MHz channels (HE160)
• Up to 1.7 Gbps with WiFi 5 clients (VHT160)
• 5.4 dBi antenna gain
• 23 dBm max TX power

2.4 GHz Band:

• Up to 573.5 Mbps (40 MHz channels)
• 3 dBi antenna gain
• 23 dBm max TX power

Coverage & Capacity:

• 140 m² (1,500 ft²) - same as UAP-AC-PRO!
• 300+ clients supported
• 8 BSSIDs per radio (16 SSIDs total)

Power & Connectivity:

• (1) Gigabit Ethernet port
• PoE: 802.3af (44-57V DC)
• 9W max consumption (same as AC-PRO)
• Mounts included (AC-PRO also includes mount)

Advanced Features:

• ✓ Wireless meshing
• ✓ 802.11r/k/v (fast roaming, RRM, BSS transition)
• ✓ Band steering
• ✓ Captive portal with custom branding
• ✓ PPSK (Private Pre-Shared Keys)
• ✓ RADIUS over TLS
• ✓ WiFi scheduling
• ✓ Client isolation
• ✓ NDAA Compliant

Management:

• UniFi Network Application v7.3.76+ required
• Cloud or local controller
• White/Blue status LED

Corrected U6-LITE vs UAP-AC-PRO Comparison

Feature	UAP-AC-PRO (WiFi 5)	U6-LITE (WiFi 6)
WiFi Standard	802.11ac (WiFi 5)	802.11ax (WiFi 6) ✅
MIMO	3×3 both bands	2×2 both bands
5 GHz Max Speed	1.3 Gbps (VHT80)	2.4 Gbps (HE160) ✅
2.4 GHz Max Speed	450 Mbps	573.5 Mbps ✅
160 MHz Support	❌ No (80 MHz max)	✅ Yes
Coverage Area	140 m²	140 m² (same!)
Max Clients	250+	300+ ✅
Power Draw	9W	9W (same)
Size	Ø196.7mm (larger)	Ø160mm (smaller) ✅
Weight	350g/450g	338g/413g (lighter) ✅
Outdoor Rated	✅ Yes (-10 to 70°C)	❌ No indoor only (-30 to 60°C)*
Ethernet Ports	2 (with passthrough)	1
Antenna Gain (5G)	3 dBi	5.4 dBi ✅
PoE Injector	✅ Included	❌ Sold separately
Mounts	✅ Included	✅ Included

Note: U6-LITE actually has a wider temperature range (-30°C vs -10°C), but lacks weather-resistant enclosure for outdoor use.

Key Insights from Real Specs

1. 160 MHz Channel Support is HUGE:

• U6-LITE can hit 2.4 Gbps vs AC-PRO's 1.3 Gbps
• Requires WiFi 6 clients with 160 MHz support
• Real-world: Most clients use 80 MHz, so practical speeds are closer

2. Same Coverage Area:

• Both rated at 140 m² / 1,500 ft²
• U6-LITE's higher antenna gain (5.4 dBi vs 3 dBi) compensates for 2×2 MIMO

3. Better Antenna Design:

• U6-LITE has 5.4 dBi on 5 GHz (vs 3 dBi on AC-PRO)
• Helps offset the reduction from 3×3 to 2×2 MIMO
• Better focused signal pattern

4. Smaller & Lighter:

• 20% smaller diameter (160mm vs 197mm)
• More discreet installation
• Easier to blend into ceilings

WiFi 6 Client (iPhone 14, Samsung S23, etc.):

• U6-LITE: 800-1200 Mbps (with 80 MHz) or up to 1500+ Mbps (with 160 MHz)
• UAP-AC-PRO: 600-900 Mbps (WiFi 5 mode)

WiFi 5 Client (older laptops/phones):

• U6-LITE: 600-900 Mbps (backward compatible)
• UAP-AC-PRO: 600-900 Mbps

Multiple Active Clients:

• U6-LITE: Much better (OFDMA efficiency)
• UAP-AC-PRO: Good, but less efficient

High-Density Environment (30+ devices):

• U6-LITE: Significantly better performance
• UAP-AC-PRO: Noticeable slowdown

Choose U6-LITE if:

•  Indoor deployment only
• Want WiFi 6 future-proofing
•  Have WiFi 6 clients (or will soon)
•  Need better multi-client performance
•  Prefer smaller, more discreet design
• Want higher peak speeds (with 160 MHz)
•  Lower upfront cost matters

Choose UAP-AC-PRO if:

• Need outdoor/weather-resistant deployment ⭐ KEY FACTOR
•  Require dual Ethernet ports (passthrough)
•  Need included PoE injector
•  Already have large AC-PRO deployment
• Prefer proven, mature platform

Major Advantages:

• 160 MHz support = up to 2.4 Gbps (huge upgrade)
• Higher antenna gain (5.4 dBi vs 3 dBi on 5 GHz)
• Same coverage area despite 2×2 MIMO
• Better efficiency with multiple clients
• Smaller, lighter, more discreet
• Lower price
• Mounts included