Just check coupons out (with price alert and history). Do you want to know what the best price is?
Number of channels €128 /00, Size 110x58x32mm, Brand BAOFENG, Monitoring function Yes, Battery Lithium battery, Weight 500g, Frequency 136-174 / 400-520 MHz, Model GT-5, Output power 12W, Operating voltage 7.4V, Frequency stability 2.5ppm, Communication distance 5-10km
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China. I found coupon for you. Check this out.
Link: Banggood product page
1. ($50.80): 00c906
apply code in your basket (cart) after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BGHONEY2110, BGd0b05d
(there’s a little possibility that old coupon will work)
Price history and price alert
Check out price history chart (for all/most countries) for BAOFENG GT-5 Radio Walkie Talkie 12W.
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)).