Review on π‘ Electrodepot 433 MHz Unity Gain Omni Antenna: 6" with Magnetic Base & Male SMA Connector - 50 Ohm Impedance by Joshua Mccall
Not sure if it's 433MHz
I don't know much about radio and certainly don't have harmonic meters, but that's clearly not the right length for 433MHz. I first used a 1/4 wave whip, which I used to cut 22 gauge wire, and there was -27 to -40dB between my two transceivers. I bought 2 of these, changed whips and got -80db to -90db in the same range. I thought I screwed something up, but I bought 2 different antennas off Amazon (a duck and a set of coils) and immediately saw a 30-40dB signal increase.
- Accessories and supplies
- Big and bulky
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