$55.99 – Supply Voltage: 5V DC (from USB or JST-GH), Transmit Current: 100 mA at 20dBm, Serial Interface: 3.3 V UART, Receive Current: 25 mA.
When I was updating this page, then coupon price was $55.99 for Holybro SiK Telemetry RC Radio V3 100mW 433MHz / 915MHz (in Banggood). Check coupons or create price alert down below. What is the best price?
Latest coupon and price update (UTC):
Banggood ($55.99)
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. I think you want to know if the price is good. Awesome! This price is the best in CouponsFromChina database!
Link: Banggood product page
Price: $55.99
This is the best price ever noted in my database!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BGSiKV3, BGRCParts8, BG1efeb0, MVC8SPRING, 8BGwbg2204, Cuponation9, BGMatt2022, BGToys8, BGGutscheine, BG8OFFCOUPON, TTBLACK5, JanBGCoupon8, BGSaleFeb8, BGAUGUST8, BGCAPITALOS8, BGCOUPERT8, BG8FORMULAMX
(probably won’t work, but you can try them out)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
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 Holybro SiK Telemetry RC Radio V3 100mW 433MHz / 915MHz. The lowest price was: $55.99.
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)).