Industrial Jail Stainless Steel Big Size Wall Mounted Inmate Telephone JWAT148

The JWAT148 Large Wall-Mount Inmate Telephone is a durable, professional communication solution, made from rugged stainless or cold-rolled steel with IP65 waterproof protection. It features a marine-grade chrome-tone dial keypad, reed switch, instruction/ID window, and an 18″ armored, hearing-aid compatible handset with internal steel lanyard that can withstand up to 100kg of force. Designed for security and easy installation, it includes tamper-resistant screws and a backplate, and can be customized by color, keypad, or telephone function. With over 85% of accessories self-made, Joiwo ensures superior quality, reliability, and cost efficiency.

Widely used in：
MARINE ENVIRONMENT
HIGHWAY SHOULDER
SUBWAY STATION
TUNNEL
UNDERGROUND FACILITY
RAILWAY PLATFORM
MINING SITE
OTHERS
KEY FEATURES

This wall mounted inmate telephone provides secure, line-powered communication for demanding industrial and public areas, requiring absolutely no external power supply. Constructed with a rugged 304 stainless steel shell, it delivers exceptional mechanical strength and impact resistance. The unit features baseline IP54 weatherproof protection, which can be easily upgraded to higher ratings based on specific project demands.

Core Features and Specifications:

  • Vandal-Resistant Handset: Heavily reinforced with an internal steel lanyard and grommet to completely secure the cord against tampering and extraction.
  • Durable Keypad: Features a rugged zinc alloy keypad seamlessly integrated with a convenient volume control button for quick audio adjustments.
  • Wear-Free Switch: Utilizes a magnetic reed hook switch, eliminating fragile mechanical parts to ensure consistent, long-lasting performance.
  • Clear Audio: Supports an optional noise-canceling microphone to actively reduce background noise during critical calls.
  • Simple Setup: The wall-mounted design ensures fast, straightforward installation via a secure RJ11 screw terminal pair cable.
  • Customization & Compliance: Available in multiple aesthetic colors and supported by readily available spare parts. The device is fully CE, FCC, RoHS, and ISO9001 compliant.
Power Supply Telephone Line Powered
  Voltage DC48V
Standby Work Current ≤1mA
Frequency Response 250～3000 Hz
Ringer Volume ≤80dB(A)
Corrosion Grade WF2
Ambient Temperature -40～+70℃
Atmospheric Pressure 80～110KPa
Relative Humidity ≤95%
Anti-vandalism Level IK10
Installation Wall-mounted
DIMENSIONS

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PACKAGE

Each telephone is securely packaged in durable, export-grade cartons with shock-absorbing materials to protect against impact, moisture, and vibration. Accessories are organized and labeled for easy installation, and custom packaging, branding, and bulk solutions are available to meet OEM or project-specific requirements.

 

Unit Size: 533.6*190.5*162.7MM
Unit Box Size: 550*210*190MM
Unit Net Weight: 5.6KG
Carton Gross Weight 6KG
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FREQUENTLY ASKED QUESTIONS
1. What makes a prison or industrial telephone different from a regular telephone?
Industrial and prison telephones are designed for high-security and high-durability environments. They feature vandal-resistant materials, tamper-proof designs, reinforced cords, and are often weatherproof for indoor or outdoor use.
2. Are these telephones weatherproof and dustproof?
Yes. Most models meet IP54 or higher standards, offering protection against dust, water, and harsh environmental conditions. Some can even withstand extreme temperatures and corrosive environments.
3. Can the telephone be integrated into a larger communication system?
Absolutely. These phones can be integrated with emergency communication systems, IP PBX, PAGA systems, control rooms, and other unified network solutions. Custom OEM features can also be added.
4. Are the handsets vandal-resistant?
Yes. Handsets are typically reinforced with steel cords or internal lanyards and made of high-strength materials to prevent tampering or damage.
5. What installation options are available?
These telephones are generally wall-mounted for stability and security. Installation is simple, with all accessories clearly labeled. Some models support flush-mounting or surface-mounting for added protection.
6. What certifications do these telephones have?
Quality and compliance are ensured with certifications such as CE, FCC, RoHS, and ISO9001, depending on the manufacturer.

The stainless steel telephone is engineered for reliable communication in demanding environments, making it ideal for railways, marine applications, tunnels, mining, firefighting, industrial facilities, prisons, parking lots, hospitals, guard stations, police stations, bank halls, ATMs, stadiums, and both indoor and outdoor use. Its rugged stainless steel construction ensures durability and consistent performance in harsh conditions, providing a dependable solution for secure, immediate communication whenever and wherever it’s needed.

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Joiwo provides a complete prison communication solution designed for high-security environments, enabling controlled inmate communication, accurate identity management, and centralized supervision.

 

Key Features

Anti-vandal prison telephones

Call restriction, monitoring, and recording

IC card and fingerprint-based inmate identification

Prepaid / postpaid call billing

POS-based inmate consumption management

Video visitation and secure messaging(Optional Extensions)

Managed access and unauthorized mobile prevention(Optional Extensions)

 

Advantages

Prison-grade security design

Centralized management platform

Flexible system expansion

Applicable to prisons, detention centers, and high-security correctional facilities.

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