Retevis H777 programming software
Open WebCHIRPWebCHIRP programs the Retevis H777 in your browser. It runs the CHIRP project's own driver for this radio, so it reads and writes the same codeplug the desktop software does — without installing anything.
No driver install needed
Retevis programming cables use a CH340, CP2102, PL2303 or FTDI USB-serial chip. WebCHIRP speaks to all four directly from the browser, so there is no driver package to download and no Windows version to match. Plug the cable in and pick the port when the browser asks.
What you can edit on the H777
- 16 memory channels, numbered 1 to 16
- Channel names up to 6 characters
- Transmit power: Low 1.0W, High 5.0W
- Modes: FM, NFM
- Bands: 400–490 MHz
- Tone squelch: Cross, DTCS, TSQL, Tone
- Radio-wide settings, not just the channel list
Which H777 do you have?
CHIRP has 2 drivers for the Retevis H777, covering different firmware and production runs. The figures above are the H777 (stock); open yours directly if it is one of the others.
- H777 (stock) — 16 channels, names up to 6 characters
- H777 (V4) — 16 channels, names up to 6 characters
Can I update the firmware on the H777?
Retevis publishes firmware updates, though not for every radio it has made. Its download page is where to check whether the H777 is one of them. Its firmware list covers a subset of the range; many entry-level FRS and PMR models are not on it.
Firmware downloads at retevis.com
WebCHIRP does not flash firmware. It reads and writes the channel list and settings over the programming cable, which is a separate part of the radio.
How to program a Retevis H777
- Plug the programming cable into the radio and the computer.
- Open WebCHIRP, check Retevis H777 is selected, and press Download.
- Edit the channels, or pull in nearby repeaters from a directory.
- Press Upload to write the result back to the radio.
Questions
Do I need to install a USB driver to program the Retevis H777?
No. WebCHIRP talks to CH340, CP2102, PL2303 or FTDI programming cables from the browser, so there is nothing to install on Windows, macOS or Linux.
Do I need the Retevis CPS software?
No. WebCHIRP runs CHIRP's own Retevis H777 driver in the browser, so it reads and writes the same codeplug the desktop software does.
How many channels does the Retevis H777 hold?
16, numbered 1 to 16 in the channel table.
Can I update the firmware on the Retevis H777?
Retevis publishes firmware updates, though not for every radio it has made. Its download page is where to check whether the H777 is one of them. Its firmware list covers a subset of the range; many entry-level FRS and PMR models are not on it. WebCHIRP does not flash firmware. It reads and writes the channel list and settings over the programming cable, which is a separate part of the radio.