Industry Information

Update December 04, 2023

FM-DV2 dipole antenna Frequency range 87.5-108MHz Gain 4.5dBd Vertically polarized directional radiation, flexible stainless steel / copper array can be zero-filled and beam down tilted as required...

Update December 03, 2023

[Photo] Basic knowledge of antenna

1 antenna 1.1 The role and position of the antenna The power of the radio frequency signal output by the radio transmitter is transmitted to the antenna through the feeder (cable), and the antenna...

Update December 02, 2023

2.4 GHz backfire antenna

I don't know what the name of this thing in the picture below is, but it is definitely available where someone lives. Choose the 26 cm, remove the two ears and it will look like the picture on...

Update December 01, 2023

Antenna polarization

Antenna polarization The polarization of radio waves refers to the relationship between the direction of the electric field and the direction of propagation. It represents the orientation of the...

Update November 30, 2023

Antenna size reduction

In many cases, in order to reduce the space occupied by the antenna, we often need to reduce the size of the antenna. So how can the antenna still accurately resonate when the antenna size is...

Update November 29, 2023

1/4 wavelength antenna

The basic principle of the antenna's emission is that electricity propagates in the conductor at a speed close to light. When it encounters a discontinuity in the conductor, it will be reflected...

Update November 28, 2023

144MHZ nine section Yagi antenna

Note: The walkie-talkie, "Taxi" car station, when transmitting, the signal is vertically polarized, and the outdoor antenna must also be vertically polarized. In-depth analysis of the...

Update November 27, 2023

Suitable for homemade small antenna

Really small, suitable for homemade CobWebb antenna with omnidirectional 7dBi gain. The original inventor was the British G3TPW, Website: http: // 14, 18, 21, 24, 28 MHz five bands, 7dBi gain, the...

Update November 27, 2023

Anti-jamming design scheme of sensor circuit

Trying to eliminate or suppress the interference of electronic circuits is a problem that always needs to be solved in circuit design and application. The sensor circuit is usually used to measure...

Update November 26, 2023

Multi-element folded dipole antenna

Multi-element folded dipole antenna Half-wave dipole antenna and folded dipole antenna have low gain, wide lobe width, and the same reception capability in front and rear, so they are only suitable...