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< h1 > Android SDR Driver Input Olugin< / h1 >
< h2 > Introduction< / h2 >
This input sample source plugin gets its I/Q samples from the Android [SDR Driver ](https://play.google.com/store/apps/details?id=marto.rtl_tcp_andro&hl=en&gl=US ) or [SDRplay Driver ](https://play.google.com/store/apps/details?id=com.sdrplay.driver&hl=en&gl=US ) apps.
These apps enable support for RTL SDR, HackRF and SDRPlay SDRs.
< h2 > Interface< / h2 >
< h3 > 1: Start/Stop< / h3 >
Device start / stop button.
- Blue triangle icon: device is ready and can be started
- Green square icon: device is running and can be stopped
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- Red square icon: an error has occurred with the connection to the device. The plugin will continually try to reconnect.
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< h3 > 2: Center frequency< / h3 >
This is the center frequency in kHz of the device.
< h3 > 3: Stream sample rate< / h3 >
Network I/Q sample rate in kS/s.
< h3 > 4: Local oscillator correction< / h3 >
This is the correction to be applied to the device's local oscillator in ppm.
< h3 > 5: DC offset correction< / h3 >
Check this button to enable DC offset correction on the device.
< h3 > 6: IQ imbalance correction< / h3 >
Check this button to enable IQ imbalance correction on the device.
< h3 > 7: Bias tee< / h3 >
Check this button to enable a bias tee, if the device supports it.
< h3 > 8: Direct sampling mode< / h3 >
Use this button to activate RTL-SDR's direct sampling mode. This can be used to tune to HF frequencies.
< h3 > 9: Sample bit depth< / h3 >
Specifies number of bits per I/Q sample transmitted via TCP/IP. This should be 8 for RTL SDR, but can be 16 for SDRPlay.
< h3 > 10: Server TCP Port< / h3 >
TCP port of SDR Driver to connect to. Typically 1234.
< h3 > 11: Sample rate< / h3 >
Specify the device's sample rate in samples per second (S/s).
< h3 > 12: RF Bandwidth< / h3 >
Specifies the bandwidth in kHz of the analog filter in the device. Available bandwidths are dependent upon the device.
< h3 > 13: Gain< / h3 >
Specify gain in dB applied in various stages of the device. Available gains will depend upon the type of device.
< h3 > 12: AGC< / h3 >
Check to enable automatic gain control in the device. How AGC works is device dependent.
