Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
Xiaomi Mijia WiFi Repeater Pro 300M EU Plug | 13.06 USD | – |
 |
Xiaomi Pro 300m WiFi Repeater | 15.05 USD | – |
More on Aliexpress… Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
Coupon (21.61 USD): BG589b2e
(CouponsFromChina.com tip: coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGN134ym8, 886e7b, f78e8a, 61f0be, esRouterPro, BGQWER261, BGnbh231, BGDAK96, BGSU31, BGJTG65V, BGDcm342, BGZYGHU7, BGXM7H6F, BGxmygh, BG234MHt6, BGyB234XME, BGZUZUMB11, BG11GR10, BGlkjgd6, BGNkghiuf5, BGNC7Ks4z6, BGN1234H6, BGN1234ZM2, BGGRXMPRO, BG20OFFCD17, BGMWFR3, BGVDay10%off, BGN234X, BGN3341, BGN334A, BGNAMPER, BGN434F, BGN434K, BGO334J, AFfbG10, 13f142, BGAFF10OFF, bGhOnEy10, BGN434W, BGCCXME, BGN634R, BGNT634P, BGN734Z, BGdragonBoat, BGN7341, BGSS10%SW, BGND34, BGN834, BGN834T, BGRPRO300, BGB934R, BGN934H, BgoFErTaSchInA10, Promo, BGN134K, BgcLuBofErtA10, BGNQ52S, BGN134CZYB, BGILSWF3, BGNB34YB, BGN134XM, BGN34D, BGN134F, BGNLP050, BGN0250D, BGNDS10OFF, BGN0350YR, BGN03501, BGN450U, BGNC0501, BGHONEY2110, BGN0650CZ, BGN0950CN, BANGGOODSD, BG6ffd89, BGSKU724050, BGDBZ19, BGBFZ12, BGacaab1, 00c906, BG00c906, ADMITAD2212, 2022ACTIESNL, BG11c9e9, Terence, Tabby20, BGddcec5, MVC8SPRING, BGc68329, tRaDetRaCKeR, BG7bb87b, BGdf7ada, BGWSCYT1, BG6e9f9c, BGde2f67
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Here is price history (for all/most countries) for Xiaomi Pro 300m WiFi Amplifier.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).