SparkFun
Reinforced Interface Cable - SMA Male to TNC Male (10m)
This is a 10 meter (33 ft) long Male TNC to Male SMA cable with injection molded stress-relief boots. This is an excellent cable for connecting one of our RT...
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This is a 10 meter (33 ft) long Male TNC to Male SMA cable with injection molded stress-relief boots. This is an excellent cable for connecting one of our RTK development boards to a high quality 'UFO' style GNSS antenna. It's long enough to connect to an antenna on the roof to one of our GNSS receivers. The TNC connector allows the cable to be connected directly to an antenna reducing the number of adapters and thus keep signal degradation to a minimum.
The SYV-50-3 cable has a loss of 52dB per 100m (320ft) or 5.2dB of loss per length of 10m. We specifically chose SYV-50-3 cable over RG58 (46 db per 100m) for its good balance of low loss and high flexibility.
Each cable has a nominal impedance of 50Ω. If you are looking for a good antenna to pair this cable with, we recommend our GNSS Multi-Band L1/L2/L5 Surveying Antenna.
Features:
- Cable type: SYV-50-3
- Length: 10m / 33ft
- TNC Connector: Male
- SMA Connector: Male
Frequency (MHz) / Loss (dB/100m)
- 200 / 23.74
- 400 / 33.93
- 900 / 51.80
- 1800 / 69.40
- 1900 / 77.06
- 2000 / 79.21
- 2400 / 87.40
- 3000 / 98.68
Source: Lianstar
Jargon buster
Plain-language definitions for the technical terms used above.
- GNSS
- GNSS stands for Global Navigation Satellite System, an umbrella term for satellite positioning networks such as GPS, GLONASS, Galileo and BeiDou. Receivers use these satellites to determine position, and high-precision units can output a steady stream of serial position data.
- 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.
- RTK
- Real-Time Kinematic positioning is a GNSS technique that uses correction data from a base station to greatly improve location accuracy. It matters if you need centimetre-level positioning for robotics, mapping, surveying, or tracking rather than ordinary metre-level GPS accuracy.
- 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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