Intuitive & Independent Functional Design

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- Rotary knob
- Volume control and
Group change
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- Emergency button
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- PTT button
-
- UDC accessory port
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- Volume button
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- 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.
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- +60°C
- High Temperature
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- -20°C
- Low Temperature
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- 122cm
- Mechanical Shock
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- 7.7gs per axis
- Vibration

Loud and Clear PTT Sound


- Pickup the noise
by microphones - Create anti-noise wave
- Noise cancelling
-
- Active Noise Cancellation
- The integration of PTT App and LM75 effectively blocks echo feedback within a 5-meter radius.
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- Qualcomm® Fluence Pro™ Technology
- The fluence algorithm detects the speaker’s position, ensuring consistent voice uality with enhanced noise reduction.
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- Loud Speaker
- The Front-facing 3-watt loudspeaker delivers a powerful 106dB voice output.
Enhanced Network Coverage
-
- Extended Antenna
- The integration of PTT App and LM75 effectively
blocks echo feedback within a 5-meter radius.
-
- 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
- LM75 supports Band B31, 72, 87 frequencies.
*Note: The Extended Antenna is optional.
Smart Battery Management
With Qualcomm’s resource power management technology,
the LM75 optimizes battery consumption, providing full-day operation.
-
- 62h
- 62 hours
Standby-Time
-
- 11h
- 11 hours of
Continuous Talk-Time

-
- Replaceable Battery
- LM75 allows users to replace the battery with either the standard 5200mAh (LM75D 4800mAh) or the extended 8000mAh battery.
-
- Built-in Backup Battery
- LM75 features a built-in backup battery, ensuring users to continue ongoing calls even during battery replacement.
Qualcomm Direct Support
LM75 is the only 450MHz device eligible for Qualcomm Direct Support.
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- Qualcomm QCM6490 Platform.
- LM75 complies with 3GPP Release 15 and
supports Android 13, with support extended until 2030.
-
- 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
- In alignment with Qualcomm’s End of Life plan,
CYBERTEL Bridge will continue to provide Android security updates.


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

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

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

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

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

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

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

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 |