According to my DB the lowest price is $40.99 for SDR Transceiver Receiver Switch Antenna Sharer TR (in Banggood). Check coupons or create price alert down below. What is the best price?
Frequency range: DC -160MHz, RF sense threshold: <10mW (1.8MHz-30MHz tested), Size: 126*119*52MM, Insertion loss: < 0.3dB @ 144MHz (0.2dB typical), Maximum TX power: 100W, Power supply: 13.8V DC 200mA, Gas discharge protection, Impedance: 50Ω, RX isolation: > 38dB @ 144MHz (40dB typical), Weight: 430g, ON time: < 20ms / Release time: < 190ms
Latest coupon code price check (UTC time):
Banggood ($40.99)
Banggood warehouse is located in China. There is no active coupon in my database right now (for Banggood). Is it cheap? My database says that it’s pretty good price, coz average is $47.17.
Link: Banggood product page
Price: $40.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): COUPONSDE1wk, Cuponation9, BG8ReviTrage, BGcoupon8off, BGGutscheine, BG00c906, ADMITADBLACK, BG8OFFCOUPON, TTBLACK5, BG589b2e, BGSaleFeb8, BG3dabc4, BGa5d988, BGCAPITALOS8, BG881152, BG19c00e
(these codes were not working in latest coupon update, but you can check them out anyway)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. Europe – SDR Transceiver Receiver Switch Antenna Sharer TR [EU] ($-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
Here is price history (for all/most countries) for SDR Transceiver Receiver Switch Antenna Sharer TR.
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)).