Latest update shows that Antenna Gateway costs 24.99 USD (in Banggood). Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood (24.99 USD)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… The question is – is it a good price? Hmmm, price is higher than average (which is 23.86 USD right now), so better set price alert down below…
Link: Banggood product page
Price: 24.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): Cuponation9, BG8ReviTrage
(I don’t think these’re gonna work, but you can try ’em out anyway)
Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Sonoff ZBMINI L2 Smart Zigbee3.0 Switch | 17.21 USD | – |
 |
Sonoff ZBMINI L2 Smart Zigbee3.0 Switch | 17.21 USD | – |
 |
Sonoff ZBMINI L2 Smart Zigbee3.0 Switch | 17.21 USD | – |
 |
SONOFF ZB Dongle-E Wireless Zigbee Gateway | 24.47 USD | – |
 |
SONOFF Zigbee Sensor Suit | 63.09 USD | Paste “05CD03 or CDPU03 or FRCD03 or CDES03 or CDEW03 or AE3ZNAFEU or USAFF3” (may not work) |
More on Aliexpress… Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for SONOFF Zigbee 3.0 USB Dongle E ZB USB With Antenna Gateway Analyzer? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).