The JR316-4B Heavy-duty Industrial intercom - weatherproof and vandal proof device ensures uninterrupted communication in the most demanding conditions. Encased in a corrosion-resistant, weatherproof housing with an IP65 rating, it is fully protected against dust, moisture, and extreme temperatures (-22°F to +158°F / -30°C to +70°C).
Designed for vessels, oil rigs, tunnels, railways, and heavy industries, this rugged Analog, SIP/VoIP or GSM/4G phone integrates seamlessly with Asterisk, Cisco, Grandstream, Yeastar, and other analog or IP-PBX systems.
🔹 Handsfree operation with large call buttons for easy access
🔹 Clear communication in noisy environments
🔹 Optional external horn & beacon for high-visibility alerts (up to 120dB)
🔹 Tamper-resistant & vandal-proof for high-security locations
🔹 Flexible installation – wall or pillar mountingThis phone offers simple deployment, minimal maintenance, and maximum reliability.
Stay connected when it matters most.
Choose from four connection technologies to suit your needs. Select your preferred option when adding the device to your cart.
✅ Analog – Connects to a standard two-wire analog line (FXS). Uses existing infrastructure with power from the line—no extra wiring needed.
✅ VoIP – Connects via SIP over a data network. Powered by PoE or an external source, ideal for modern communication systems.
✅ GSM – Works with any mobile carrier SIM card. No need for landlines or internet, perfect for remote locations.
✅ 4G – Uses 4G LTE for fast, stable communication. No wired infrastructure required, powered externally.
Reliable Emergency Communication
With a high-quality voice transmission system and advanced high-efficiency noise cancellation technology, this call box ensures clear and immediate communication in critical situations. To use, simply press the emergency button, and the pre-programmed security number will be dialed automatically.
Available Customizations:
- Body Color: Orange - standard. Yellow, red, green, blue, black, and more under special order (minimum order quantity applies).
- Custom inscription: Personalized text or labels on the phone body.
- Solar Power Option: Available for off-grid installations.
- Built-in a backup battery: the battery capacity supports 3-5 days of standby.
To request customization, please submit your requirements through the Fast Inquiry form at the bottom of each page.
This phone is a hassle-free solution for critical communication, backed by our 2-year warranty and 15+ years of expertise. Contact us for a tailored quote!
JR316-4B Heavy-duty Industrial intercom (Analog/SIP/Cellular)
1. Analog (PSTN) Version
A standard analog telephone designed for traditional telephone lines (PSTN) and PBX systems.
Key Features
✅ Works with any standard analog telephone system (PSTN, PBX, PABX)
✅ Robust cold-rolled steel housing for maximum durability
✅ Hands-free operation with four large mushroom call buttons
✅ Weatherproof IP66-rated enclosure for protection against dust, water, and extreme temperatures (-30°C to +70°C / -22°F to +158°F)
✅ Ringer volume: 90~95dB(A) at 1m (internal ringer), 110dB(A) at 1m (with optional external horn speaker)
✅ Simple installation – wall or pillar mountingTechnical Specifications
- Power Supply: Line-powered (24-48V DC)
- Ringing Voltage: 75V RMS (±10V) at 25Hz
- Weather Resistance: IP66-rated
- Operating Temperature: -30°C to +70°C (-22°F to +158°F)
- Mounting: Wall or pillar
- Material: Cold-rolled steel
2. SIP (VoIP) Version
A SIP-based VoIP telephone for modern IP communication systems.
Key Features
✅ Standard SIP/VoIP phone – Fully compatible with Asterisk, Elastix, Grandstream, Cisco, Yeastar, and other IP-PBX systems
✅ Power Supply: Supports Power over Ethernet (PoE) or 12V DC
✅ Hands-free operation – 4 large mushroom call buttons
✅ Built-in 25W booster amplifier for clear audio in noisy environments
✅ Weatherproof & durable – IP66-rated, resistant to chemicals and flames
✅ Tamper-resistant fixings – Built to withstand vandalism and heavy use
✅ Optional external horn & beacon – Adjustable loudness up to 120dBTechnical Specifications
- Power Consumption: Idle: 1.5W / Active: 1.8W
- Supported SIP Protocol: SIP 2.0 (RFC3261)
- Supported Codecs: G.711 A/U, G.722, G.723, G.729
- Echo Cancellation: Supports G.168, hands-free mode supports 96ms delay
- DTMF Support: SIP info, DTMF Relay, RFC2833
- Network Ports:
- WAN: 10/100Base-T RJ-45 (Auto MDIX)
- LAN: 10/100Base-T RJ-45 (Auto MDIX)
- Operating Temperature: -30°C to +70°C (-22°F to +158°F)
- Weather Resistance: IP66-rated
3. GSM/4G Version
A GSM-based industrial telephone for locations without wired connectivity.
Key Features
✅ Operates over GSM networks (2G/3G/4G LTE) – No wired connection required
✅ Supports SIM cards from all major GSM carriers
✅ Hands-free operation with four large mushroom call buttons
✅ Weatherproof & vandal-resistant – IP66-rated enclosure
✅ Optional external horn & beacon – Loudness up to 120dB for noisy environments
✅ Simple installation – wall or pillar mountingTechnical Specifications
- Supported Bands: 2G (GSM), 3G (WCDMA), 4G LTE
- SIM Card Type: Standard SIM (1.8V & 3V supported)
- Power Supply: 12V DC (adapter included)
- Antenna: External, high-gain for better reception
- Weather Resistance: IP66-rated
- Operating Temperature: -30°C to +70°C (-22°F to +158°F)
- Mounting: Wall or pillar
Package Details (for all versions)
📦 Unit Size: 200 × 400 × 130 mm (7.87 × 15.75 × 5.12 in.)
📦 Carton Size: 300 × 480 × 165 mm (11.81 × 18.90 × 6.50 in.)
📦 Packaging Material: Pearl cotton + carton
⚖ Net Weight: 5kg (11 lbs)
⚖ Gross Weight: 6kg (13.2 lbs)
