DFRobot
GSM Antenna with Magnetic Base (3m)
A GSM antenna with SMA connector and magnetic base for easy mounting on ferrous metal surfaces. The 3 m extension cable uses 174 pure copper construction for...
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A GSM antenna with SMA connector and magnetic base for easy mounting on ferrous metal surfaces. The 3 m extension cable uses 174 pure copper construction for low impedance, and the antenna provides 2.5 dBi signal gain across the 900–1800 MHz frequency range.
Specifications
- Frequency Range: 900–1800 MHz
- Signal Gain: 2.5 dBi
- Output Impedance: 50 Ω
- Standing Wave Ratio: ≤ 1.5 dB
- Connector: SMA
- Cable Length: 3 m
- Antenna Height: 60 mm
Package Contents
- 1× GSM antenna with magnetic base and 3 m cable
Jargon buster
Plain-language definitions for the technical terms used above.
- Impedance
- Impedance is the total opposition a component or circuit presents to alternating current, measured in ohms, combining resistance with frequency-dependent reactance. It appears in many contexts, such as matching a speaker's impedance (for example 4 ohm or 8 ohm) to an amplifier or the input and output impedance of signal circuits, and a correct match helps avoid weak signals, distortion or damage.
- SMA
- SMA is a small threaded coaxial (RF) connector widely used to attach antennas and other radio-frequency cables. A device with SMA antenna ports needs antennas or pigtails with matching SMA connectors, or a suitable adapter, to connect to them.
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