Tel: +86-755-27322952
Email: sales@jrtele.com
J&R Company - Provider of Industrial Telephone SolutionsJ&R Company - Provider of Industrial Telephone Solutions
  • Home
  • Solutions
    Petrochemical Facilities

    Petrochemical Facilities

    Details
    Offshore Oil Drilling Platforms

    Offshore Oil Drilling Platforms

    Details
    Onshore Oil Platforms

    Onshore Oil Platforms

    Details
    Industrial & Manufacturing Facilities

    Industrial & Manufacturing Facilities

    Details
    Nuclear Power Plants

    Nuclear Power Plants

    Details
    Mining Communication Systems

    Mining Communication Systems

    Details
    Expressways & Highways

    Expressways & Highways

    Details
    Utility Tunnels

    Utility Tunnels

    Details
    Transport Tunnels

    Transport Tunnels

    Details
    Heavy Machinery Zones (Cranes)

    Heavy Machinery Zones (Cranes)

    Details
    Pharmaceutical Plants & Cleanrooms

    Pharmaceutical Plants & Cleanrooms

    Details
    Correctional Facilities

    Correctional Facilities

    Details
    Healthcare & Campus Facilities

    Healthcare & Campus Facilities

    Details
    Smart Cities

    Smart Cities

    Details
    4G/5G Communication Solutions

    4G/5G Communication Solutions

    Details
    Wind Power Plants

    Wind Power Plants

    Details

    Solutions

    Petrochemical Facilities
    Offshore Oil Drilling Platforms
    Onshore Oil Platforms
    Industrial & Manufacturing Facilities
    Nuclear Power Plants
    Mining Communication Systems
    Expressways & Highways
    Utility Tunnels
    Transport Tunnels
    Heavy Machinery Zones (Cranes)
    Pharmaceutical Plants & Cleanrooms
    Correctional Facilities
    Healthcare & Campus Facilities
    Smart Cities
    4G/5G Communication Solutions
    Wind Power Plants
  • Products
    Explosion-Proof Telephones

    Explosion-Proof Telephones

    Details
    Weatherproof Telephones

    Weatherproof Telephones

    Details
    Vandal Resistant Telephones

    Vandal Resistant Telephones

    Details
    Emergency Telephones

    Emergency Telephones

    Details
    Video Telephones

    Video Telephones

    Details
    Telephone Hood

    Telephone Hood

    Details
    Telephone Pillar

    Telephone Pillar

    Details
    Telephone Accessories

    Telephone Accessories

    Details

    Product

    Explosion-Proof Telephones
    - JREX106-AL
    - JREX106-SIP
    Weatherproof Telephones
    - JR100- 4G
    - JR100-AL
    - JR100-SIP
    Vandal Resistant Telephones
    - JR200-4G
    - JR200-AL
    - JR200-SIP
    Emergency Telephones
    - JR300-4G
    - JR300-AL
    - JR300-SIP
    Video Telephones
    Telephone Hood
    Telephone Pillar
    Telephone Accessories
  • About Us
    Company Profile Enterprise Advantages Factory Certificate Partner
  • Support
    Service Support Technical Support FAQ Download Center
  • News
    Company News Case
  • Contact Us
  • English English
    简体中文 Chinese
    France Français
    Germany Germany
    Spain Spanish
    Netherlands Dutch
    Italy Italian
  • REQUEST A QUOTE

OEM/ODM Online Consultation

00

Message* :

  • Home
  • Products
  • Emergency Telephones
  • JR300-4G
  1. Emergency Intercom JR321-SC-4G
Emergency Intercom JR321-SC-4G

Emergency Intercom JR321-SC-4G

  • This is an ideal security solution for remote and high-risk areas. Standing
  • over nine feet tall, this vandal-resistant tower serves as a strong deterrent to crime. An always-lit LED Blue Light mounted atop the tower provides high visibility and gives passersby a sense of security.
  • Users can call emergency personnel with a simple push of a button. Simultaneously, time, the LED Blue Light begins to flash, attracting attention to the location. The
  • Emergency Phone face-plate is illuminated at all times for clear visibility during the night.
Get Pricing/info Download
Top
Main Features
Applications
Technical Specifications
Application Scenarios
Contact Us

Main Features

4G Wireless Communication With Remote Configuration

This Emergency Phone Tower offers greater deployment flexibility with options for wireless connectivity, solar power, surveillance, and day/night charging.

The towers withstand extreme temperatures, harsh weather conditions, vandalism, and vibration, while offering enhanced electromag- netic and lightning protection.

These towers are commonly deployed at university and college campuses, parking facilities, shopping malls, medical centers, industrial campuses, transit facilities, and remote locations where local power is unavailable.

 
  • Protection grade up to IP65-IP66
  • The LED Blue Light is housed in a protective polycarbonate housing
  • Cold-rolled steel body, constructed with 0.12 to 0.125-inch thick steel, standing alone for mounting
  • The emergency phone faceplate is made of brushed stainless steel with security screws
  • Hands-free operation with a single vandal-resistant metal button for emergency calls
  • Noise-cancelling microphone
  • Built-in 2W speaker
  • Vandal-resistant structure and coating designed to withstand extreme weather conditions
  • A variety of signage, graphics and color choices are available
  • Blue color (other colors available on request)
  • Warranty: 5-year warranty on the tower, 2-year warranty on electronics
  • Compliant with CE, FCC, RoHS, IK10, IP65, ISO9001 standards

Applications

1.Insert the SIM card into the 4G phone and connect to the operator's network to make calls

JR321-SC-4G APPLICATIONS

Product Video

Technical Specifications

4G Specifications
Power supply 12V DC
Adapter input 7.4 V-12V DC
Power consumption Idle 0.3W / Working 1.5W
Communication mode 4G
Working frequency Depends on modules
Ringing tone 90 dB (A) @ 1 meter
Configuration method Remote configuration via SMS, allows management from a central location
Configuration Remote monitoring / Auto-dial numbers
Time out Enforces a fixed call maximum time limit of 6-8 minutes from off-hook, configurably
Diagnostic function Low battery voltage, weak signal, speaker volume, microphone volume can be reported via message
Antenna Quad-band SMA male, externally mounted with 2 m cable
Environment temperature Operating temperature -40˚C to 65˚C; Storage temperature -40°C to 75°C
M.T.B.F. Exceeds 50,000 hours under normal operating conditions
Lighting
LED Blue Light, 209 lumens peak, 78 flashes per minute, 70% of initial lumens after 50,000 hours of operation.
Coating
High-gloss, multi-layer, corrosion-inhibitive, system with resistance to graffiti protection.
Mounting
Mounts into concrete foundation using included hardware (shipped in advance). Mounting options available for pre-poured parking decks.
4G Module EC25
Module EC25-E EC25-EU / EUX EC25-J EC25-V
Region EMEA/Korea/Thailand/India EMEA/Thailand Japanese America Verizon
Frequency  
LTE-FDD B1/B3/B5/B7/B8/B20 B1/B3/B7/B8/B20/B28A B1/B3/B8/B18/B19/B26 B4/B13
LTE-TDD B38/B40/B41 B38/B40/B41 B41 /
WCDMA B38/B40/B41 B1/B8 B1/B6/B8/B19 /
GSM/EDGE B3/B8 B3/B8 / /
GNSS GPS/GLONASS/BeiDou (Compass)/
Galileo/QZSS (option)
GPS/GLONASS/BeiDou (Compass)/
Galileo/QZSS (option)
GPS/GLONASS/BeiDou (Compass)/
Galileo/QZSS (option)
GPS/GLONASS/BeiDou (Compass)/
Galileo/QZSS (option)
Module EC25-A EC25-AF / AFX / AFXD (Data-only) EC25-AUX EC25-MX
Region North America North America Latin America/Australia/New Zealand Mexico
Frequency  
LTE-FDD B2/B4/B12 B2/B4/B5/B12/B13/B14/B66/B71 B1/ B2/B3/B4/B5/B7/B8/B28 B2/B4/B5/B7/B28/B66
LTE-TDD / / B40 /
WCDMA B2/B4/B5 B2/B4/B5 B1/B2/B4/B5/B8 B2/B4/B5
GSM/EDGE / / B2/B3/B5/B8 /
GNSS GPS/GLONASS/BeiDou (Compass)/
Galileo/QZSS (option)
GPS/GLONASS/BeiDou (Compass)/
Galileo/QZSS (option)
GPS/GLONASS/BeiDou (Compass)/
Galileo/QZSS (option)
/

Product Application

Metro

Metro

Airport

Airport

Platform

Platform

Business center

Business center

Highway

Highway / Tunnel

railway

Railway

Hospital

Hospital

School

School

Optional Accessories

Surveillance

Solar Panel JR321-SC-SP

JR321-SC-SP

Multiple Options Available Button

Button

Broadcast Horn JR-HSA-10/20/25/30/35

JR-HSA-10/20/25/30/35

Dimensions

JR321-SC-4G Dimensions
Package
Unit size 2500*340*300 (mm)
Shipping dimensions 2570*420*500 (mm)
Packaging materials Foam padding, wooden case
Weight Gross weight: 104 kg / Net weight: 67 kg

Product Recommendations

Emergency Intercom JR316-4B-4G

Emergency Intercom JR316-4B-4G

Housed in cold rolled steel box and manufactured to high standards, these telephones offer enhanced resistance to vandalism and ensure reliable communication at all times. Additionally, this series of phones has been tested in salt spray and is highly dur

View details

Emergency Intercom JR330-SC-4G

Emergency Intercom JR330-SC-4G

Housed in cold rolled steel box and manufactured to high standards, these telephones offer enhanced resistance to vandalism and ensure reliable communication at all times. Additionally, this series of phones has been tested in salt spray and is highly dur

View details

Emergency Intercom JR321-SC-4G

Emergency Intercom JR321-SC-4G

4G Wireless Communication With Remote Configuration This Emergency Phone Tower offers greater deployment flexibility with options for wireless connectivity, solar power, surveillance, and day/night charging. The towers withstand extreme temperatures, hars

View details

Emergency Intercom JR320-SC-4G

Emergency Intercom JR320-SC-4G

Housed in cold rolled steel box and manufactured to high standards, these telephones offer enhanced resistance to vandalism and ensure reliable communication at all times. The LED Light continuously flashes when the emergency telephone rings and remains o

View details

Contact Us

Share real-time
news with you

We inform you about new solutions, case studies,
cybersecurity and new products.

Learn more about us
00

Message* :

Solutions

Petrochemical Facilities
Offshore Oil Drilling Platforms
Onshore Oil Platforms
Industrial & Manufacturing Facilities
Nuclear Power Plants
Mining Communication Systems
Expressways & Highways
Utility Tunnels

Products

Explosion-Proof Telephones
Weatherproof Telephones
Vandal Resistant Telephones
Emergency Telephones
Video Telephones
Telephone Hood
Telephone Pillar
Telephone Accessories

Service support

Service Support
Technical Support
FAQ
Download Center
J&R Company - Provider of Industrial Telephone Solutions
J&R Technology
View Brand
  • @2025 Technology. All Rights Reserved
  • Privacy Policy
  • Terms of Use
  • Sitemap