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Welcome to Echo: a modern EchoLink client for Android. This first release brings the full experience: - Browse the live station directory; favorites and recent stations on your home screen - Big push-to-talk, VOX, and hardware-key PTT - Clear TX/RX status and a clean, focused QSO screen - Tunable audio, flexible networking, light/dark themes - Built for phones and compact PoC radios A licensed EchoLink account is required. 73!
Explore the global ham community. A modern EchoLink client with push-to-talk.
Echo turns your Android phone or PoC radio into a window on the global amateur radio community. Browse the live EchoLink directory, discover repeaters and conferences worldwide, and connect in a tap. Whether you are brand new to EchoLink or a seasoned operator, Echo makes VoIP ham radio feel easy. Tap a station and start talking. Clean status, big buttons, and a calm interface that gets out of the way mid-QSO — a modern Material 3 take on push-to-talk. REQUIRES A LICENSED ECHOLINK ACCOUNT A valid, licensed amateur radio EchoLink account is required. Register at echolink.org (a link is built into the login screen). Echo is an independent, third-party client and is not affiliated with or endorsed by EchoLink Systems, Inc. EXPLORE THE WORLD OF STATIONS • Browse the live EchoLink directory, filterable by Users, Repeaters, Links, and Conferences • Search by callsign, location, node number, or country name • Station cards with node type, location, online/busy/offline status, and conference occupancy badges • Recent stations reel on the home screen for one-tap reconnect • Favorites you can reorder your way — drag on phones, D-pad grab-and-swap on compact radios TALK YOUR WAY • Big push-to-talk (PTT): press-and-hold or toggle — a circular button on phones, a wide bar on compact radios • Hardware PTT via a bindable custom key (Bluetooth HID or native Android) • VOX (voice-operated transmit) for hands-free operation, with adjustable threshold and hang time • Key-down and key-up tones • Always-visible TX/RX status so you never guess whether you are transmitting IN THE QSO • Live peer info on a clean, focused connection screen • Conference participant list showing who is speaking and when they joined • In-QSO text messaging • VU meter for real-time mic level monitoring • Screen stays awake during a contact AUDIO THAT FITS THE ROOM • RX processing modes: Natural, Clear Voice, Loud, and Enhanced for different environments • Mic gain from -12 to +18 dB in clean 6 dB steps • Separate network jitter buffer and playback buffer controls, with settings that explain the latency tradeoff • Input and output device selection, including Bluetooth headsets • Audio presets — save named snapshots for a quiet room, a noisy car, or the field, and switch in a tap CONNECTS ANYWHERE • Multiple network modes: Direct (UDP), Relay (NAT traversal), Proxy (TCP), and Auto • Works behind NAT out of the box; relay is on by default, with a NAT hole-punch option • Full proxy configuration for restrictive networks and CGNAT • Auto-reconnect to your last node on launch (opt-in) • Accept incoming connections (opt-in) with an accept/decline call screen • Deep links (echolink://connect/) and launcher shortcuts for instant reconnect BUILT FOR EVERY OPERATOR • Optimized layouts for phones and compact PoC radios • Full D-pad and hardware-key navigation for radios without a touchscreen • Native Android keyboard input on compact devices • Accessibility first: screen reader support, semantic labels, and toggle-based PTT for explore-by-touch MAKE IT YOURS • Light, dark, or system theme • Accent color customization: Material You (Android 12+), nine presets, or a custom picker • Adjustable text scale and a fullscreen/immersive toggle • Settings backup and restore to a JSON file :passwords are excluded, so it is safe to share • Keep-running-in-background prompt with an optional battery Doze exemption for long QSOs GOOD TO KNOW • Requires a licensed amateur radio operator and a registered EchoLink account • Like radio itself, EchoLink audio and text are transmitted unencrypted: any connected or RF-linked station can hear you • Connection history and in-QSO chat are session-only and are not archived • Incoming calls require you to opt in first • Currently English-only Discover the community. Key up. Say hello to the world. 73!