I have just checked coupons. The lowest price I could get is $25.99 for Eachine PRO58 RX Diversity 40CH 5.8G FPV Receiver (in Banggood). Go down and check coupons out. Remember to check price history if it is available. What is the best price?
Latest coupon code price check (UTC time):
Consumption: 1.8-2W, Channel: 40CH, Brand Name: Eachine, Item Name: PRO58 RX, Frequency: 5.8G, Weight: 23g, Size: 42x 30x 25mm (check detail dimension on picture)
Banggood ($25.99)
Banggood warehouse is located in China. There are no coupons for this product in Banggood. I think you want to know if the price is good. Cool, average is $30.55, so current price is lower!
Link: Banggood product page
Price: $25.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGEachine10, BGRCEachine, BG8RCToy, BGRCT10, BGJUNEGSG9, BG8ReviTrage, Cuponation9, BGMatt2022, BGToys8, BG8FEB20230, BG589b2e
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – Eachine PRO58 RX Diversity 40CH 5.8G FPV Receiver [EU] ($-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
Check out price history chart (for all/most countries) for Eachine PRO58 RX Diversity 40CH 5.8G FPV Receiver.
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)).