HGLRC XJB F428-TX20-ELF F4 RC Flight Control System (Banggood, Aliexpress: XJB F428 – TX20 – ELF consists of F4 FC, 4-in-1 BLHeli – S ESC, 5.8G 72CH VTX, MPU6000 connected via SPI, ESC supports 4x 28A continuous current and the latest digital signals, FPV camera has the excellent 1/3 inch Super HAD II CCD sensor, and supports 5 – 36V input voltage, Suitable for building 65 – 250mm FPV racing drones (the best price with coupon)).
Check coupons or create price alert down below. Let’s see what best price is ATM.
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($96.06): 7bcdf9
2. ($96.66): Parts8
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/feV
Old coupons (from the oldest to the newest): 502C6B, f62884, BGss11, BGPAYPALSS, BGBCFPV, BGBCBG10
(there’s a little possibility that old coupon will work)
Price history and price alert
Do you need price history chart (for all/most countries) for HGLRC XJB F428-TX20-ELF F4 RC Flight Control System? There we go. The lowest price was: $64.49.
Price records source(s): Gearbest, 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)).