I have checked all old coupons and price is $18.99 for URUAV 5.8G RX PORT 3.0-PLUS DJI Receiver Board (in Banggood). Just check coupons out (with price alert and history). What is best price?
Support DVR Port, Power input: 2S-4S (DC5.5 * 2.1), Signal output: standard audio / video, Power output: 2S-4S (DC5.5 * 2.1), Model: 5.8G RX Port3.0-PLUS, Weight: 13g (without extension cable), Dimension: 55 * 28 * 12mm, Brand: URUAV, Signal Input: Standard Fat Shark Receiver Port, Including third-party receivers: Reaxacc Furious / Rapid Fire etc., Internal voltage: 5V 3A (with pad output)
Latest price update (UTC time):
Banggood ($18.99)
Banggood warehouse is located in China. I’m afraid that there’s no working coupon in Banggood. What about the price? IMHO this is a good price, coz it’s lower than average ($19.72)
Link: Banggood product page
Price: $18.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): BG8754c7, Parts8, BGJON8, BGRCParts8, Tabby20, BG1efeb0, 8Couponsde, MVC8SPRING, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BG8RCToy, BGJUNEGSG9, BGRCT10, TTSUMMER8, Cuponation9, BGMatt2022, BGToys8
(I don’t think these’re gonna work, but you can try ’em out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – URUAV 5.8G RX PORT 3.0-PLUS DJI Receiver Board [EU] ($-3)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Do you need price history chart (for all/most countries) for URUAV 5.8G RX PORT 3.0-PLUS DJI Receiver Board? There we go.
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)).