Deal so good it defies physics: $27.99 (from Banggood). Updated: 28-01-2026.
High-Impedance Amplifier 1MΩ Input 50Ω Output 0dB Gain 300MHz Bandwidth Long-Lasting Battery Universal Compatibility Ideal for SDR HackRF One Donut Antenna Mini Loop Radio Reception – B
Banggood warehouse: China.
Looks like this is great price. I didn’t track lower than that in CouponsFromChina database ever.
Price: $27.99
Additional Banggood coupons:
1. First page
2. Second page
Aliexpress
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Price history and price alert
Price history (for all/most countries) for High-Impedance Amplifier 1Mohm Input 50ohm Output 0dB Gain 300MHz is here. The lowest price was: $27.99.
Price records source(s): Banggood
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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)).