, Item Name: JJPRO EM-16 Transmitter with Receiver, Weight: 736g, Mode: Mode 2 (Left Hand Throttle), RF Range: 2.408-2.475GHz, Channel: 6CH, 2.4GHz System: AFHDS 2A.
Basically copy coupon, view price history or create e-mail price alert. What is best price?
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.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. One coupon is available. Cool!
Link: Banggood product page
1. ($40.47): BGDAVIS
just apply this code in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGEM16, bgshOOp10, bGhOnEy10, BGRCEM16, BGEM16DE, BGEM16NE, BGCuponation10
(these coupons are old, so probably won’t work)
Price history and price alert
Here is price history (for all/most countries) for JJRC JJPRO EM-16 RC Transmitter. The lowest price was: $19.99.
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)).