Outdoor Dual Circuit Marine Telephone JWAT304
The JWAT304 intrinsically safe marine telephone is a high-performance, reliable explosion-proof communication terminal. Developed with advanced electronic and digital noise reduction technology, it leverages our company’s extensive experience in industrial scheduling communication systems. This device connects seamlessly to various existing switches or scheduling hosts, creating a robust explosion-proof communication system ideal for marine environments.
- Durable engineering-grade plastic housing with high mechanical strength and excellent impact resistance
- Standard analogue telephone supporting both pulse and tone dialing
- Heavy-duty handset featuring a hearing-aid–compatible receiver and noise-canceling microphone for clear communication
- Dual circuit protection function compatible with dispatch host systems; cables routed from main and auxiliary shafts to the telephone
- Line fault tolerance ensures normal operation despite line breaks or short circuits, with fault reporting to the system for easy troubleshooting
- Weatherproof design rated IP65 for reliable use in harsh environments
- Waterproof plastic keypad designed for long-term outdoor and industrial applications
- Easy wall-mounted installation with straightforward, user-friendly setup
- Line-powered operation, eliminating the need for external power supplies
- RJ11 screw-terminal connection provides secure and stable wiring
- Loud ringer output exceeding 85 dB(A), ideal for noisy industrial environments
- Optional color variations available to suit different application requirements
- In-house manufactured spare parts ensure consistent quality and fast availability
- Fully compliant with CE, FCC, RoHS, and ISO9001 standards for safety and reliability
| Power Supply | Telephone Line Powered |
| Working conditions | DC working voltage: ≤ 60V working current: ≤ 34mA |
| Dialing method | DTMF dual tone multi frequency |
| Frequency Response | 250～3000 Hz |
| Ringer Volume | ≥85dB(A) |
| Corrosion Grade | WF1 |
| Ambient Temperature | -40～+60℃ |
| Atmospheric Pressure | 80～110KPa |
| Relative Humidity | ≤95% |
| Cable Gland | 1 -PG11 |
| Installation | Wall-mounted |
Each unit is securely packed to ensure safe transportation and handling. The product is enclosed in a protective inner foam cradle to prevent impact or vibration damage, then placed in a durable corrugated carton suitable for international shipping. All accessories, installation screws, and user manuals are neatly organized inside the box. Customized packaging, labeling, and palletizing options are available upon request to meet project or distributor requirements.
| Unit size | 322×260×142 (mm) |
| Carton size | 470*290*210 (mm) |
| Packaging materials | Pearl cotton, Carton |
| Net weight | 2.5 KG |
| Gross weight | 3 KG |
Built for reliable performance in harsh environments, this marine telephone is not only used for marine practice, but also utilized widely in tunnels, mining sites, marine areas, and underground facilities. It also serves well in public locations like metro stations, railway platforms, and highway roadsides, as well as industrial sites such as steel mills, chemical plants, and power plants. Its durability further makes it suitable for general outdoor settings, including hotels and parking areas.
Joiwo is more than a manufacturer — we are a professional integrator of complete telecommunications solutions.
Beyond providing terminal equipment, we engineer and deliver fully integrated, end-to-end communication systems tailored to each customer’s operational needs.
Our expertise covers a broad suite of technologies, including IP PBX platforms, IP servers, telephone self-diagnostic systems, PAGA solutions, unified network management systems, Emergency Voice Communication Systems, and customized OEM functions designed for project-specific requirements.
