Can you use it on Mac?

According to the box it can be used on “MacOSX 10.4 (Intel-based) or later” I am currently using my 1900 on Linux Mint, Kali, and Windows, in both virtual and standard installs. There are a few videos on YT to assist with the install.

Anyone know if this can be used with kali linux?

No it doesn't work with kali linux, you can put it on monitor mode but it will never catch any device and all your scans will be with 0 results.. Trust me don't waste your money i watched alot of tutorials and documents regarding this wifi.. It doesn't suite with kali linux

How many DBs are the antennas

I would guess about 3db given their Omni directional antennas so the RF isn't as focused like Yagi antennas are. These antenna's are swappable so you can attach better high gain antenna's.

does it work on laptop with USB 2.0 only?

Yes, but throughput will be slower because of the speed which usb has.

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Alfa Network Alfa USB Adapter AWUS1900

Product ID: 49295423

Details

Brand
ALFA Network
Colour
Black
Compatible devices
Desktop
Data link protocol
USB
Data transfer rate
1900 Megabits
Hardware interface
USB 3.0

⚡1900 Mbps blazing speed

🔌USB 3.0 ultra-fast interface

🛡️Durable, premium build quality

Description

🚀 Upgrade your WiFi game with Alfa AWUS1900 — speed, power, and reliability in your pocket!

BUILT TO LAST - Rugged, durable design built to withstand daily hustle and keep you connected without fail.
PLUG PLAY USB 3 0 - Effortless setup with USB 3.0 ensures maximum throughput and minimal latency on all major OS platforms.
BLAZING FAST CONNECTIVITY - Experience lightning-fast 1900 Mbps data transfer for seamless streaming, gaming, and remote work.
OUTPERFORM YOUR ISP ROUTER - Achieve wireless speeds faster than typical wired connections and leave slow ISP gear in the dust.
CROSS PLATFORM COMPATIBILITY - Works flawlessly with Windows, MacOS, and Linux—perfect for the versatile professional.

The Alfa Network AWUS1900 is a high-performance USB 3.0 WiFi adapter delivering up to 1900 Mbps data transfer speeds. Designed for professionals and power users, it offers durable construction and broad OS compatibility (Windows, MacOS, Linux). This adapter outperforms standard ISP routers, providing ultra-fast, reliable wireless connectivity ideal for streaming, gaming, and demanding remote work environments.

Specifications

ASIN	B01MZD7Z76
Best Sellers Rank	56,784 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 420 in USB Computer Network Adapters
Brand	ALFA Network
Brand Name	ALFA Network
Color	Black
Colour	Black
Compatible Devices	Desktop
Compatible Operating System Family	Linux, MacOS, Windows
Compatible devices	Desktop
Customer Reviews	4.3 out of 5 stars 2,289 Reviews
Data Link Protocol	USB
Data Transfer Rate	1900 Megabits Per Second
Data link protocol	USB
Hardware Interface	USB 3.0
Hardware interface	USB 3.0
Item Dimensions L x W x H	30.5L x 23.1W x 6.4H centimetres
Item Weight	60 Grams
Manufacturer	ALFA Network
Manufacturer Part Number	AWUS1900
Minimum Required Operating System Version	Windows 10
Model Number	AWUS1900
Product dimensions	30.5L x 23.1W x 6.4H centimetres
Unit Count	1.0 count

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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