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DFRobot

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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...

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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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