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rtl_tcp SDR
Updated
Apr 24, 2025
Developer
HotPaw Productions
OS
IOS
Category
Education
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Description:
A lightweight SDR utility for RTL-SDR users that lets you connect to or host rtl_tcp over Wi‑Fi. Explore the radio spectrum in real time, visualize signals with a clear spectrum and waterfall, and listen to common broadcasts like FM and AM. Ideal for education, labs, and radio hobbyists who want a simple, reliable radio scanner and spectrum viewer on mobile. Core features include fast rtl_tcp server and client modes, live spectrum with smooth tuning and zoom, and favorites and recording for quick access and review. Works with most RTL2832U-based RTL-SDR dongles and is optimized for stable, low-latency streaming.
How to use:
1. Download and install the app, then connect your RTL-SDR USB dongle via OTG or make sure you have the IP and port of a remote rtl_tcp server.
2. Open the app and choose to Host on this device or Connect to server. If connecting, enter the server IP and default port if needed.
3. Tap Start to begin streaming, then drag or enter a frequency to tune. Pinch to zoom the spectrum and use the waterfall to spot active signals.
4. Select a demodulation mode such as FM or AM, and adjust sensitivity and filter width to improve reception quality.
5. Save favorite frequencies, start or stop recording when needed, and explore advanced options like presets and auto gain for finer control.
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Version:
1.5.5
Size:
3.80MB
Price:
$ 12.99
Released:
May 2, 2018
Updated:
Apr 24, 2025
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