IC-7300 Remote Control Server

A complete web-based remote control solution for the Icom IC-7300 transceiver with real-time audio, full CI-V control, multi-user support, and a clean web interface.
Works locally, over the internet, and behind Cloudflare tunnels.

📥 Downloads

IC-7300_Remote_Web_Server_Setup_Guide.pdf

IC-7300_Remote_Web_Server.zip

🗝️ Unlock the TX limit

🌟 Features

Radio Control

• CI-V commands: frequency, mode, filter, VFO A/B, split, power, M-CH, etc.
• Receiver controls: ATT, PREAMP (OFF / PRE1 / PRE2), NB, NR, ATU tune
• Power management: remote power ON/OFF with wake-up sequence
• TX timeout: automatic PTT release after a configurable delay (default: 3 minutes)

Audio

• 8 kHz PCM – proven stability with the IC-7300, best for web
• Adjustable gain: separate RX and TX gain controls
• Intercom: OFF / +RigMic / AUTO – monitor audio through the radio

Multi-User

• First-come, first-served PTT: only one operator can transmit at a time
• Audio broadcasting: all connected users hear the radio and current transmission
• Visual status: TX active / busy / idle indicators

Security

• Cookie-based authentication with 30-day “remember me”
• Password protection using SHA-256 token (password not stored in page)
• HttpOnly cookies – secure by default
• HTTPS support: works with nginx or Cloudflare

Browser

• Chrome, Edge, Safary, Firefox and others - (iOS included), Desktop and Mobile devices

Web Interface

Desktop	Mobile

• Mobile-friendly: responsive design for phones and tablets
• Real-time updates: frequency, mode, and status auto-refresh
• Intuitive controls: large buttons for touch operation
• Frequency steps: ±10 Hz, 100 Hz, 1 kHz, plus direct entry

Deployment - Internet

• Cloudflare Tunnel compatible (WebSocket support)
• Autonomous nginx alternative – everything in-house
• Subpath support: run at /radio instead of subdomain
• Log rotation (10 MB per file, 5 backups)
• Auto-recovery on crash (restart loop)
• Windows service ready (using NSSM)

📋 Requirements

Hardware

• Icom IC-7300 transceiver

• USB cable (A–B type)

• A computer running Windows 7-11, 64-bit ( Linux / macOS deployment is possible )
  Note: For old Windows OS, a necessary update KB3063858 can obtained at the following links:
  Windows Vista SP2 x86
  Windows Vista SP2 x64
  Windows Server 2008 SP2 x86
  Windows Server 2008 SP2 x64
  Windows 7 SP1 x86
  Windows 7 SP1 x64
  Windows Server 2008 R2 SP1 x64

• Optional: second receiver or SDR to monitor your signal

Software

• For Internet https (SSL):
  • Cloudflared (Tunnel), or
  • nginx + see below

Services (SSL)

• Cloudflare free tier – all-in-one, robust, and secure solution the Tunnel requires your domain (~10–15$US/year)

SSL for In-House nginx:

• Let's Encrypt for SSL (public server)
• Optional: own domain (~10–15$US/year) or FreeDNS subdomain