SparkFun
Interface Cable - SMA Female to SMA Male (10m, RG58)
When experimenting with GPS or RF it can be very handy to have the antenna on the top of your house or outside with a clear view of the sky while you stay in...
When experimenting with GPS or RF it can be very handy to have the antenna on the top of your house or outside with a clear view of the sky while you stay in doors and warm at your keyboard. This 10m (33') SMA extension does a great job of connecting your receiver or radio to a distant antenna with as little RF loss as possible.
While slightly more stiff, RG58 has the benefit over RG174 and others in that it has lower loss per meter: 0.71dB/m vs 1.44 dB/m. If you're transmitting and want as much power delivered to the antenna, or if you have a roof mounted GNSS antenna, this cable provides a better, lower loss solution than smaller diameter cables.
Documents:
Jargon buster
Plain-language definitions for the technical terms used above.
- GNSS
- GNSS stands for Global Navigation Satellite System, covering positioning systems such as GPS and similar satellite networks. It matters here because high-precision GNSS modules can output lots of serial position data that this product can send wirelessly to a computer or phone.
- GPS
- The US satellite navigation system used by GNSS receivers to calculate position and time. Support for GPS is important because it is widely available and often used together with other constellations for more reliable positioning.
- RF
- RF means radio frequency, referring to signals used for wireless communication and other high-frequency electronics. A low-noise, stable power supply is important for RF circuits because power noise can affect signal quality and measurements.
- SMA
- A threaded coaxial connector commonly used for antennas. It matters because you need antennas with matching SMA connectors, or suitable adapters, for the LTE and GNSS antenna ports.
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Interface Cable SMA Female to SMA Male Mechanical Drawing
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