SKU: TH2123
Right-Angle Mini GSM/Cellular Quad-Band Antenna - 2dBi SMA Plug is a small external antenna designed for cellular and GSM/GPRS applications across 850/900/1800/1900/2100MHz. With 2 dBi gain, 50Ω impedance, and vertical polarization, it is suited for wireless receiver and transmitter projects that need a simple SMA-connected antenna.
The right-angle SMA male connector helps keep the antenna profile tidy in compact enclosures and embedded builds. At just 57mm long and weighing 8g, it is a practical choice for modems, development boards, and cellular modules that support an external SMA antenna connection.
This antenna is also noted as a compatible external antenna option for Adafruit FONA MiniGSM boards. If your hardware uses RP-SMA or u.FL instead of SMA, an adapter is required. Please note that FONA modules require a microcontroller to operate.
Technical details for Right-Angle Mini GSM/Cellular Quad-Band Antenna - 2dBi SMA Plug.
| Specification | Details |
|---|---|
| Frequency | 850/900/1800/1900/2100 MHz |
| Gain | 2 dBi |
| V.S.W.R. | <=2:1 |
| Polarization | Vertical |
| Connector | SMA Male Right Angle |
| Impedance | 50Ω |
| Operation Temperature | -20°C to 60°C |
| Storage Temperature | -30°C to 75°C |
| Length | 57mm / 2.2" |
| Connector Length | 16.5mm / 0.65" |
| Weight | 8g |
| Item | Type | Description |
|---|---|---|
| SMA | Connector | Direct connection to devices with an SMA antenna interface. |
| RP-SMA | Adapter required | Use an adapter if your device has an RP-SMA connector. |
| u.FL | Adapter required | Use a u.FL to SMA adapter cable for modules that expose a u.FL antenna connector. |
| Adafruit FONA | Compatible use case | Works well as an external antenna option for FONA MiniGSM boards supporting quad-band cellular operation. |
| Important | Usage note | This is only an antenna. Cellular modules such as FONA require a suitable modem/module and a microcontroller to function. |
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