$13.99 – Packing: 11.7cm * 11.7cm * 6.7cm., Name: 300M WiFi Repeater, Product: 8cm * 5.2cm * 7.5cm., Color: white / black, Technology: white glossy surface, Material: shell ABS.
Use coupon and get 300m WiFi Repeater Signal Booster for $13.99 (from Banggood). Check coupons or create price alert down below. You probably want to know what is the best price?
Latest price update (UTC time):
Banggood ($13.99)
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood. Is it cheap? This price is higher than average price ($12.49) for this item.
Link: Banggood product page
Price: $13.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGae2847, BG589b2e, BGcb5ddb
(you can check these old coupons out, but these probably won’t work)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Check out price history chart (for all/most countries) for 300m WiFi Repeater Signal Booster. The lowest price was: $11.99.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).