Online Walkie Talkie & Two-Way Radio
Turn your browser into a tactical two-way radio communicator. Transmit voice with authentic bandpass audio filtering, Roger beeps, squelch noise, and live audio spectrum visualizers. Switch between FRS, Marine VHF, Aviation, PMR446, Ham, Emergency channels, or tune into private custom team channels.
How to Use
- Select your channel band (FRS/GMRS, Marine VHF, PMR446, Aviation, or Private Team Channel).
- Adjust the frequency or channel number using the rotary dial, channel stepper, or DTMF keypad.
- Press and hold the giant Push-To-Talk (PTT) button or hold the Spacebar / T key to transmit.
- Release the PTT button to hear the authentic Roger beep and squelch tail confirmation.
- Receive voice transmissions, send paging call alerts, or broadcast text-to-speech radio dispatches in real-time.
Features
- Tactical handheld radio interface with backlit LCD screen (Military Green, Amber, Cyan, OLED Dark)
- Real-time Audio Spectrum & Oscilloscope visualizer responsive to live voice
- Authentic DSP radio bandpass acoustic filter (300Hz - 3.4kHz) and RF carrier static noise
- Selectable Roger Beeps: Classic Motorola single beep, NASA Quindar tone, and modern chirps
- Multi-Band Channels: FRS/GMRS (1-22), Marine VHF (16, 9...), Aviation Airband (121.5), PMR446, Ham 2M/70cm, and Private CTCSS sub-channels
- Top-Level Hardware Keypad with realistic DTMF dual-tone audio synthesis
- Physical Keyboard Hotkeys: Spacebar/T for PTT, Arrow keys for channel, Mute, Call alert, and Emergency SOS siren
- Text-to-Radio Voice broadcast for hands-free or mic-less communication with 10-Codes quick bar
Authentic Two-Way Radio Experience in Your Browser
Traditional two-way radios and walkie-talkies rely on specific radio frequency modulation (FM/AM) and narrow audio bandwidth to ensure clear voice transmission over long distances. Our online walkie talkie simulates this authentic acoustic profile using the HTML5 Web Audio API.
When you speak into your microphone, your audio passes through a bandpass filter (300 Hz to 3,400 Hz) with gentle harmonic distortion and carrier hiss, reproducing the unmistakable crunch and warmth of real handheld transceivers.
All Major Channel Bands & Private Team Rooms
Whether you need standard civilian walkie-talkie channels (FRS/GMRS channels 1 to 22), European PMR446 frequencies, Marine VHF Channel 16 for maritime distress, or Aviation 121.500 MHz guard frequency, this communicator covers all major bands.
You can also create a private team channel by typing a custom frequency code and selecting a Continuous Tone-Coded Squelch System (CTCSS) sub-code (1 to 38) to communicate exclusively with your friends or team without public interference.
Push-To-Talk (PTT) & Full Keyboard Hotkeys
Radio discipline revolves around Push-To-Talk (PTT). Simply hold down the on-screen PTT button or press and hold the Spacebar or Key T on your physical keyboard to broadcast. When you release the key, the radio automatically broadcasts a squelch tail burst and authentic Roger beep to notify listening stations that you are clear.
The built-in on-screen DTMF keypad allows rapid channel dialing, sounding genuine dual-frequency tones for each digit, while dedicated Call and SOS buttons allow sending Motorola-style paging tones or emergency alarms.
Text-to-Speech Radio & NATO Phonetic Alphabet
No microphone? No problem. The Text-to-Radio transmission feature lets you type any dispatch or select standardized 10-Codes (such as 10-4 Acknowledged, 10-20 Location, 10-33 Emergency) and broadcasts it across the channel in a synthesized tactical radio voice.
The integrated NATO Phonetic Alphabet tool translates any callsign or phrase into international radio spelling (Alpha, Bravo, Charlie...), complete with audio pronunciations for clear voice communication.
Frequently Asked Questions
Can I talk between two browser tabs or devices?
Yes! The tool uses HTML5 BroadcastChannel. Open the tool in two separate browser tabs or windows, tune both to the same channel, and press PTT in one tab to hear your voice and Roger beep transmitted into the other tab in real time.
How do I use the keyboard to talk (PTT)?
Press and hold either the Spacebar or the "T" key on your keyboard to transmit. Release the key to finish speaking and send the Roger beep. You can also use Up/Down arrow keys to change channels.
What are the Roger beeps?
Roger beeps are short acoustic tones transmitted at the end of a transmission to signal that the operator has finished speaking. You can choose between the Classic Motorola beep, NASA Quindar tones used in Apollo moon missions, or modern tactical double beeps.
Is my microphone audio sent to a remote server?
No. All audio DSP filtering and Roger beep synthesis occur locally inside your web browser via the Web Audio API. Your voice is not recorded or stored on any external server.
How do private channels with CTCSS work?
CTCSS (Continuous Tone-Coded Squelch System) acts as a sub-channel privacy filter. Only devices tuned to both the identical main frequency and matching sub-tone (1 to 38) will un-mute and hear each other.
