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  • 5G & 450MHz Support

    LM75

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    5G & 450MHz Support

    LM75

    From advanced Active Noise Cancellation that controls echoes within 5 meters to
    exclusive support for the 450Mhz frequency the LM75 is perfectly engineered for optimal performance in wide-area environments.
    Innovative MCX Device to Support 5G & 450MHz
    • Enhanced network coverage with an extended antenna
    • Full-day operation with smart battery management
    • Qualcomm QCM6490 chipset inside
    • Dedicated 450MHz modemchipset (B31, 72, 87)
    • Front-facing loudspeaker (3 Watts)
    • DMO supports with DMR II module (Optional)
    • Preloaded with Mission-Critical Applications (MCX, GIS, MDM)
    • #3Watt
    • #450MHz
    • #5G
    • #DMR

Intuitive & Independent Functional Design

lm75
  • Rotary knob
    Rotary knob
    Volume control and
    Group change
  • Emergency button
    Emergency button
  • PTT button
    PTT button
  • UDC accessory port
    UDC accessory port
  • Volume button
    Volume button
  • Programmable button
    Programmable button

Unmatched Durability

LM75 sets the standard for rugged performance, boasting IP68 certification for complete dust and water resistance, even in submerged conditions. With MIL-STD-810 compliance, it endures drops from up to 1.5 meters and functions flawlessly in extreme temperatures ranging from -20°C to 60°C. Designed for mission-critical communication,
the LM75 delivers reliable performance in the harshest environments.

  • High Temperature
    +60°C
    High Temperature
  • Low Temperature
    -20°C
    Low Temperature
  • High Temperature
    122cm
    Mechanical Shock
  • High Temperature
    7.7gs per axis
    Vibration
LM75

Loud and Clear PTT Sound

LM75
웨이브
  1. Pickup the noise
    by microphones
  2. Create anti-noise wave
  3. Noise cancelling
  • Active Noise Cancellation
    Active Noise Cancellation
    The integration of PTT App and LM75 effectively blocks echo feedback within a 5-meter radius.
  • Active Noise Cancellation
    Qualcomm® Fluence Pro™ Technology
    The fluence algorithm detects the speaker’s position, ensuring consistent voice uality with enhanced noise reduction.
  • Active Noise Cancellation
    Loud Speaker
    The Front-facing 3-watt loudspeaker delivers a powerful 106dB voice output.

Enhanced Network Coverage

  • Extended Antenna
    Extended Antenna
    The extended antenna enhances LTE/5G network coverage for private network operator.
  • Dual SIM Dual Standby
    Dual SIM Dual Standby
    LM75 features two SIM slots:
    The 1st SIM for a private network, and the 2nd SIM can be utilized for MNO network.
  • 450MHz Support
    450MHz Support
    LM75 supports Band B31, 72, 87 frequencies.

*Note: The Extended Antenna is optional.

LM75
LM75 Zoom

Smart Battery Management

With Qualcomm’s resource power management technology,
the LM75 optimizes battery consumption, providing full-day operation.

  • Standby-Time
    62h
    62 hours
    Standby-Time
  • Talk-Time
    11h
    11 hours of
    Continuous Talk-Time
LM75
  1. Replaceable Battery
    Replaceable Battery
    LM75 allows users to replace the battery with either the standard 5200mAh (LM75D 4800mAh) or the extended 8000mAh battery.
  2. Replaceable Battery
    Extended battery
    LM75 offers standard (5,200mAh) and extended battery (8,000mAh) for all day operation.

Qualcomm Direct Support

LM75 is the only 450MHz device eligible for Qualcomm Direct Support.

  • Qualcomm QCM6490 Platform
    Qualcomm QCM6490 Platform.
    LM75 complies with 3GPP Release 15 and
    supports Android 13, with support extended until 2030.
  • Qualcomm Direct Licensing
    Qualcomm Direct Licensing
    CYBERTEL Bridge holds a Qualcomm license, making LM75 the
    only 450MHz device capable of receiving direct support from Qualcomm.
  • Clear Security Roadmap
    Clear Security Roadmap
    In alignment with Qualcomm’s End of Life plan,
    CYBERTEL Bridge will continue to provide Android security updates.
Enhanced Network Coverage
MCX & Device

MCX & Device in a Single Product Line

All products and solutions released by CYBERTEL Bridge are developed and manufactured in-house at our own research labs and factory. Our factory provides full operational services for PTT solutions and VoIP applications.

  • PTT Solution Provider
    Experience in large-scale construction business and
    extensive domestic and foreign clients
  • Preloaded Voice Applications
    CYBERTEL Bridge preloads PTT and VoIP applications in its own factory.
    These native applications support full operational service.
  • Made in Korea
    LM75 is the only 450MHz device manufactured in a TAA-approved country.
    With a unified language and management system across both R&D and production,
    we ensure swift and accurate processes. Our Flexible SMT line guarantees a
    maximum delivery lead time of 8 weeks.

Maintenance / Warranty

  • Expected Service
    Expected Service
    A Clear production and maintenance plan.
    Covering accidental damage and wear & tear with a comprehensive package
  • Reasonable Cost
    Reasonable Cost
    A 24-month manufacturer warranty.
    With optional 3 or 5-year maintenance contracts at reasonable cost.
  • Accessible Customer Support
    Accessible Customer Support
    A dedicated hotline with multilingual support for customer assistance.

ACCESSORY

  • Desktop Charger
    Desktop Charger
  • 6-Bay Multicharger
    6-Bay Multicharger
  • Standard/Extended Battery
    Standard/Extended Battery
  • Wired RSM
    Wired RSM
  • Wired Ear Mic
    Wired Ear Mic
  • Belt-Clip
    Belt-Clip
Q&A Download Brochure

Desktop Cradle SANL75

SANL75

Feature

SANL75 Desktop cradle charges the LM75 device and standard/extended battery, keeping your desk organized and clutter-free.
The desktop cradle consists of dedicated PTT button, allowing users to initiate MCX call sessions while the device is being charged.

Specifications

Dimensions (HxWxD) Weight Number of Pockets Operating voltage AC Power cable
54x91.2x151.1 182 gram 1 220V EU, UK
Charge rate Chemistry Compliance Operating Temperature Package Contents
1.5 hours Lithium Polymer EMC, WEEE, RoHs 0°C to +50°C
(+32°F to +122°F)		 1 unit of single Bay cradle charger
1 unit of Power adaptor
text example text example text example text example text example text example text

Multi-Unit Charger SANL75

SANL75

Feature

SANL75 Desktop cradle charges the LM75 device and standard/extended battery, keeping your desk organized and clutter-free.
The desktop cradle consists of dedicated PTT button, allowing users to initiate MCX call sessions while the device is being charged.

Specifications

Dimensions (HxWxD) Weight Number of Pockets Operating voltage AC Power cable
54x91.2x151.1 182 gram 1 220V EU, UK
Charge rate Chemistry Compliance Operating Temperature Package Contents
1.5 hours Lithium Polymer EMC, WEEE, RoHs 0°C to +50°C
(+32°F to +122°F)		 1 unit of single Bay cradle charger
1 unit of Power adaptor
text example text example text example text example text example text example text

RSM SANL75

SANL75

Feature

SANL75 Desktop cradle charges the LM75 device and standard/extended battery, keeping your desk organized and clutter-free.
The desktop cradle consists of dedicated PTT button, allowing users to initiate MCX call sessions while the device is being charged.

Specifications

Dimensions (HxWxD) Weight Number of Pockets Operating voltage AC Power cable
54x91.2x151.1 182 gram 1 220V EU, UK
Charge rate Chemistry Compliance Operating Temperature Package Contents
1.5 hours Lithium Polymer EMC, WEEE, RoHs 0°C to +50°C
(+32°F to +122°F)		 1 unit of single Bay cradle charger
1 unit of Power adaptor
text example text example text example text example text example text example text

Wired Ear-mic SANL75

SANL75

Feature

SANL75 Desktop cradle charges the LM75 device and standard/extended battery, keeping your desk organized and clutter-free.
The desktop cradle consists of dedicated PTT button, allowing users to initiate MCX call sessions while the device is being charged.

Specifications

Dimensions (HxWxD) Weight Number of Pockets Operating voltage AC Power cable
54x91.2x151.1 182 gram 1 220V EU, UK
Charge rate Chemistry Compliance Operating Temperature Package Contents
1.5 hours Lithium Polymer EMC, WEEE, RoHs 0°C to +50°C
(+32°F to +122°F)		 1 unit of single Bay cradle charger
1 unit of Power adaptor
text example text example text example text example text example text example text

Desktop Cradle SANL75

SANL75

Feature

SANL75 Desktop cradle charges the LM75 device and standard/extended battery, keeping your desk organized and clutter-free.
The desktop cradle consists of dedicated PTT button, allowing users to initiate MCX call sessions while the device is being charged.

Specifications

Dimensions (HxWxD) Weight Number of Pockets Operating voltage AC Power cable
54x91.2x151.1 182 gram 1 220V EU, UK
Charge rate Chemistry Compliance Operating Temperature Package Contents
1.5 hours Lithium Polymer EMC, WEEE, RoHs 0°C to +50°C
(+32°F to +122°F)		 1 unit of single Bay cradle charger
1 unit of Power adaptor
text example text example text example text example text example text example text

Multi-Unit Charger SANL75

SANL75

Feature

SANL75 Desktop cradle charges the LM75 device and standard/extended battery, keeping your desk organized and clutter-free.
The desktop cradle consists of dedicated PTT button, allowing users to initiate MCX call sessions while the device is being charged.

Specifications

Dimensions (HxWxD) Weight Number of Pockets Operating voltage AC Power cable
54x91.2x151.1 182 gram 1 220V EU, UK
Charge rate Chemistry Compliance Operating Temperature Package Contents
1.5 hours Lithium Polymer EMC, WEEE, RoHs 0°C to +50°C
(+32°F to +122°F)		 1 unit of single Bay cradle charger
1 unit of Power adaptor
text example text example text example text example text example text example text

RSM SANL75

SANL75

Feature

SANL75 Desktop cradle charges the LM75 device and standard/extended battery, keeping your desk organized and clutter-free.
The desktop cradle consists of dedicated PTT button, allowing users to initiate MCX call sessions while the device is being charged.

Specifications

Dimensions (HxWxD) Weight Number of Pockets Operating voltage AC Power cable
54x91.2x151.1 182 gram 1 220V EU, UK
Charge rate Chemistry Compliance Operating Temperature Package Contents
1.5 hours Lithium Polymer EMC, WEEE, RoHs 0°C to +50°C
(+32°F to +122°F)		 1 unit of single Bay cradle charger
1 unit of Power adaptor
text example text example text example text example text example text example text

Wired Ear-mic SANL75

SANL75

Feature

SANL75 Desktop cradle charges the LM75 device and standard/extended battery, keeping your desk organized and clutter-free.
The desktop cradle consists of dedicated PTT button, allowing users to initiate MCX call sessions while the device is being charged.

Specifications

Dimensions (HxWxD) Weight Number of Pockets Operating voltage AC Power cable
54x91.2x151.1 182 gram 1 220V EU, UK
Charge rate Chemistry Compliance Operating Temperature Package Contents
1.5 hours Lithium Polymer EMC, WEEE, RoHs 0°C to +50°C
(+32°F to +122°F)		 1 unit of single Bay cradle charger
1 unit of Power adaptor
text example text example text example text example text example text example text
  • Accessory
    Desktop Cradle
  • Accessory
    Multi-Unit Charger
  • Accessory
    RSM
  • Accessory
    Wired Ear-mic
  • Accessory
    Desktop Cradle
  • Accessory
    Multi-Unit Charger
  • Accessory
    RSM
  • Accessory
    Wired Ear-mic

Q&A

If you have any questions regarding CYBERTEL Bridge products, collaborations, or any other inquiries, please leave a message. We will get back to you promptly.

First Name
Last Name
company name
Country *
Email Address *
Phone Number
Inquiry *

Cybertelbridge Co., Ltd. (hereinafter referred to as the “Company”) values your personal information and complies with the Act on Promotion of Information and Communications Network Utilization and Information Protection.


Through this Privacy Policy, the Company informs you of how and in what manner your personal information is used, and what measures are being taken to protect your personal information.


This Privacy Policy applies when you use Q&A provided on the Company’s website.


Category Items Collected Purpose of use Retention Period
Q&A (Required Items) Country, Email Address, Inquiry
(Optional items) First Name, Last Name, Company Name, Phone Number		 Responding to customer inquiries and providing technical support for dedicated devices, and improving service quality Up to 3 years after the completion of the inquiry

※ During the use of the service, information such as IP address, cookies, service usage records, and access logs may be automatically collected.
※ Please do not enter sensitive personal information such as resident registration numbers, health information, or financial information in free-text fields.


■ Purpose of Collection and Use of Personal Information
The Company uses the collected personal information for the following purpose:
• Responding to customer inquiries and providing technical support for dedicated devices (Q&A)


■ Retention and Use Period of Personal Information
Personal information is retained for up to 3 years after the purpose of processing has been achieved and is immediately destroyed thereafter.


■ Refusal of Consent
• You may refuse to consent to the collection of personal information.
However, if you do not consent, the use of certain services such as inquiry processing may be restricted.


■ Provision and Entrustment of Personal Information to Third Parties
① Provision to Third Parties
The Company does not, in principle, provide users’ personal information to external parties.
However, in the following cases, personal information may be exceptionally provided:
• When prior consent has been obtained from the data subject
• When required by law or requested by investigative authorities through lawful procedures


Recipient Information Provided Purpose of Use Retention and Use Period
Government agencies requesting under the law (such as investigative or judicial authorities) Name, email, and other information within the scope of the request Fulfillment of legal obligations and cooperation with investigations Immediately destroyed upon fulfillment of the purpose of the request
② Entrustment of Personal Information Processing

The Company entrusts the processing of personal information to external companies as follows for the efficiency of website operation.

Entrusted Party Entrusted Task Retention and Use Period
Design Art Plus Co., Ltd. Website maintenance and server operation Until the termination of the consignment contract or until the purpose of personal information processing is achieved

The Company specifies matters related to personal information protection in the contract in accordance with Article 26 of the Personal Information Protection Act, and manages and supervises the trustee to ensure that personal information is safely processed.


■ Rights of Data Subjects and Methods of Exercise
Users may request to access, correct, delete, or suspend the processing of their personal information at any time.
Requests can be made by email (ct_sec@cybertel.co.kr), and the Company will take action without delay.


■ Procedures and Methods for Destruction of Personal Information
① Destruction Procedures
• Personal information is included in the destruction list after internal review when the retention period has expired or the processing purpose has been achieved.
• It is destroyed safely after approval by the person in charge of management.
② Destruction Methods
• Electronic files: Permanently deleted in a way that cannot be restored.
• Paper documents: Destroyed by shredding or incineration.


■ Installation, Operation, and Refusal of Automatic Personal Information Collection Devices
The Company may use cookies for the convenience of users.
① Purpose of Using Cookies: Analysis of access statistics and maintaining user environment upon revisiting.
② Installation and Operation: You can refuse to store cookies through web browser settings.
③ Refusal Method:
• Chrome: Settings > Privacy and Security > Cookies and Other Site Data
• Edge: Settings > Cookies and Site Permissions > Manage Cookies and Stored Data
However, if you refuse to store cookies, the use of some services may be restricted.


■ Data Protection Officer and Complaint Contact
• Data Protection Officer: BongHo Choi
• Department: Security Team / Data Protection Officer
• Email: ct_sec@cybertel.co.kr


■ Agencies for Reporting and Consultation on Personal Information Infringement
If you need to report or consult regarding any personal information infringement, please contact the following agencies:
• Personal Information Infringement Report Center (privacy.kisa.or.kr / 118)
• Supreme Prosecutors’ Office Cybercrime Investigation Department (spo.go.kr / 1301)
• National Police Agency Cyber Bureau (cyberbureau.police.go.kr / 182)


■ Regular Review and Amendment of the Privacy Policy
This policy is reviewed and revised at least once a year, and any changes will be announced in advance through the Company’s website.
• Date of Notice: November 5, 2025
• Effective Date: November 7, 2025

Request for Product Brochure

If you have any questions regarding CYBERTEL Bridge products, collaborations, or any other inquiries, please leave a message. We will get back to you promptly.

Email *
Company Name
Inquiry

Cybertelbridge Co., Ltd. (hereinafter referred to as the “Company”) values your personal information and strictly complies with the Act on Promotion of Information and Communications Network Utilization and Information Protection and other relevant privacy protection laws.


Through this Privacy Policy, the Company explains how and for what purposes your personal information is collected and used, and what measures are being taken to protect your information.


This Privacy Policy applies when you use the Download Brochure service provided on the Company’s website.


■ Personal Information Collected and Methods of Collection
The Company collects the following personal information through the Download Brochure service


Category Items Collected Purpose of use Retention Period
Download Brochure (Required Items) Email
(Optional items) Company Name, Inquiry		 To provide materials related to Cybertelbridge’s dedicated devices and respond to user inquiries Up to 3 years after the completion of the inquiry

※ During the use of the service, certain information such as IP address, cookies, service usage records, and access logs may be automatically collected.
※ Please do not enter any sensitive personal information (e.g., resident registration numbers, health information, or financial details) in free-text fields.


■ Purpose of Collection and Use of Personal Information
The Company uses the collected personal information for the following purpose:
• To provide materials related to the Company’s dedicated devices.


■ Retention and Use Period of Personal Information
The Company retains personal information for up to three (3) years after the purpose of processing has been fulfilled, and thereafter promptly deletes it.


■ Refusal of Consent
• You may refuse to consent to the collection of your personal information.
However, if you do not consent, you may be restricted from using certain services such as inquiry processing.


■ Provision and Entrustment of Personal Information to Third Parties
① Provision to Third Parties
The Company does not provide users’ personal information to external parties as a general rule.
However, personal information may be provided in the following exceptional cases:
• When prior consent is obtained from the data subject.
• When disclosure is required by law or requested by investigative authorities through lawful procedures.


Recipient Information Provided Purpose of Use Retention and Use Period
Government agencies or investigative authorities (e.g., law enforcement, judicial bodies) Name, email, and other information within the scope of the official request Compliance with legal obligations and cooperation with investigations Immediately deleted upon fulfillment of the purpose of the request
② Entrustment of Personal Information Processing

To ensure efficient website operation, the Company entrusts certain personal information processing tasks to external service providers as follows.

Entrusted Party Entrusted Task Retention and Use Period
Design Art Plus Co., Ltd. Website maintenance and server operation Until the termination of the consignment contract or until the purpose of personal information processing is achieved

The Company specifies matters related to personal information protection in the contract in accordance with Article 26 of the Personal Information Protection Act, and manages and supervises the trustee to ensure that personal information is safely processed.


■ Rights of Data Subjects and Methods of Exercise
Users may request to access, correct, delete, or suspend the processing of their personal information at any time.
Requests can be made by email (ct_sec@cybertel.co.kr), and the Company will take action without delay.


■ Procedures and Methods for Destruction of Personal Information
① Destruction Procedures
• Personal information is included in the destruction list after internal review when the retention period has expired or the processing purpose has been achieved.
• It is destroyed safely after approval by the person in charge of management.
② Destruction Methods
• Electronic files: Permanently deleted in a way that cannot be restored.
• Paper documents: Destroyed by shredding or incineration.


■ Installation, Operation, and Refusal of Automatic Personal Information Collection Devices
The Company may use cookies for the convenience of users.
① Purpose of Using Cookies: Analysis of access statistics and maintaining user environment upon revisiting.
② Installation and Operation: You can refuse to store cookies through web browser settings.
③ Refusal Method:
• Chrome: Settings > Privacy and Security > Cookies and Other Site Data
• Edge: Settings > Cookies and Site Permissions > Manage Cookies and Stored Data
However, if you refuse to store cookies, the use of some services may be restricted.


■ Data Protection Officer and Complaint Contact
• Data Protection Officer: BongHo Choi
• Department: Security Team / Data Protection Officer
• Email: ct_sec@cybertel.co.kr


■ Agencies for Reporting and Consultation on Personal Information Infringement
If you need to report or consult regarding any personal information infringement, please contact the following agencies:
• Personal Information Infringement Report Center (privacy.kisa.or.kr / 118)
• Supreme Prosecutors’ Office Cybercrime Investigation Department (spo.go.kr / 1301)
• National Police Agency Cyber Bureau (cyberbureau.police.go.kr / 182)


■ Regular Review and Amendment of the Privacy Policy
This policy is reviewed and revised at least once a year, and any changes will be announced in advance through the Company’s website.
• Date of Notice: November 5, 2025
• Effective Date: November 7, 2025

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