Aliexpress
There’re some similar items on Aliexpress in my database. There may be some other items though.
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
SONOFF RF Bridge 433MHz Replacement RF Controller | 15.36 USD | – |
More on Aliexpress… Here are coupons that you can use.
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – SONOFF RF Bridge 433MHz Replacement RF Controller [EU/UK] (-3 USD)
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood.
Link: Banggood product page
Price: -3 USD
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): elec, e2bcea, 502C6B, BGRF433, SONOFF15, BG9NY, 2020CNY, BGVDay10%off, 28cdf0, BGTT10, bGhOnEy10, BGSMOFF, BGSOFRFB, BGSONOFF15, BGELIG0920, 13f142, BGHALLOWEEN, BgcLuBofErtA10, BGSONOFF16, BGAFF10OFF, BGSTHO15, BGHONEY2110, BGSHOM15, BGSHE15, 6GSGIT, BG29f5bf, BGSmart6, BG15Sonoff
(you can check these old coupons out, but these probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – SONOFF RF Bridge 433MHz Replacement RF Controller [EU/UK] (-3 USD)
Price history and price alert
Check out price history chart (for all/most countries) for SONOFF RF Bridge 433MHz Replacement RF Controller.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).