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5G & 450MHz Support
LM75
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)
- #450MHz device
- #450 Connect device
- #5G LTE MCX device
- #5G LTE DMR Hybrid device
- #MCX device
- #PPDR LTE device
- #Public safety device
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
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- 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
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- 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
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- Extended Antenna
- The extended antenna enhances LTE/5G network coverage for private network operator.
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- 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.
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- 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.
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- 200h
- LM75 A/B : 200h
LM75 C/D : 23h / 21h
Standby-Time
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- 11h
- 11 hours of
Continuous Talk-Time
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- Standard Battery
- Size : 89.7*53.8*14.9mm
LM75A/B/C : 5200mAh(3.7V)
LM75D : 2400mAh(7.7V)
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- Extended Battery
- Size : 89.7*53.8*22.5mm
LM75A/B/C : 8000mAh(3.7V)
LM75D : 4000mAh(7.7V)
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.
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- Qualcomm Direct Licensing
- CYBERTEL Bridge holds a Qualcomm license, making LM75 the
only 450MHz device capable of receiving direct support from Qualcomm.
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- 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
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- Preloaded Voice Applications
- CYBERTEL Bridge preloads PTT and VoIP applications in its own factory.
These native applications support full operational service.
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- 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
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- Expected Service
- A Clear production and maintenance plan.
Covering accidental damage and wear & tear with a comprehensive package
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- 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.
ACCESSORY
Desktop Charger SANL75
Feature
Each charging slot automatically recognizes the battery type, applying the optimal charging current and protection algorithm. This ensures fast and secure charging while effectively safeguarding the battery's lifespan.
Specifications
| Dimensions | Weight | Power Input | Indicators | Charging LED |
|---|---|---|---|---|
| 151.15(L) × 91.22(W) × 54.0(H) | 182g | 12V 3A (DC Jack) | PTT Key(Blue LED) | Red/Green/Amber (STAT based) |
| Charging method | Operating Temperature | Storage Temperature | Approvals |
|---|---|---|---|
| front pocket : 14 Pin POGO Docking Terminal rear pocket : 8 Pin Spring Contact(Standalone Battery Terminal) |
0℃ ~ 45℃ | -30℃ ~ 80℃ | CE, KC, WEEE, RCM, RoHs |
6-Bay Multi Charger SDSL75
Feature
This product allows the LM75 to be securely fastened to a belt, and the clip-push mechanism makes it easy to attach and detach.
Specifications
| Dimensions | Weight | Power Input | Indicators |
|---|---|---|---|
| 191.83(L) × 393.72(W) × 79.58(H) | 1.15Kg | 12V 12.5A (DC jack) | LM75 Charging (Red LED), Fully Charged(Green LED), Extended Battery Charging (Red LED), Fully Charged(Green LED) |
| Charging method | Operating Temperature | Storage Temperature | Approvals |
|---|---|---|---|
| front pocket : 14 Pin POGO Docking Terminal rear pocket : 8 Pin Spring Contact(Standalone Battery Terminal) |
0℃ ~ 53℃ | -30℃ ~ 80℃ | CE, RoHs |
BATTERY Standard Battery, Extended Battery
Feature
It supports reliable all-day operation with a replaceable battery, maximizes power efficiency through smart battery management, and allows users to quickly swap batteries in the field to maintain uninterrupted workflow.
Specifications
| Dimensions | Weight | Charging Temperature |
|---|---|---|
| Standard Battery: 89.7(L) x 53.8(W) x 14.9(H) Extended Battery: 89.7(L) x 53.8(W) x 22.5(H) |
Standard Battery: 101 g (LM75A/B/C), 94 g (LM75D) Extended Battery: 138 g |
0°C ~ +45°C (recommended for Li-ion battery protection) |
| Battery System | Capacity | Standby Time |
|---|---|---|
| 1S (3.85 V) / 2S (7.7 V) Li-ion Polymer | Standard Battery: 5200 mAh (LM75A/B/C), 2400 mAh (LM75D) Extended Battery: 8000 mAh (LM75A/B/C), 4000 mAh (LM75D) |
200h (LM75A/B) 23h (LM75C) 21h (LM75D) *Based on the Standard Battery |
RSM WD40, WR40
Feature
The RSM is engineered with high durability to ensure reliable performance even in harsh environments.
Specifications
| Dimensions | Weight | Connector | Dedicated Button | Speaker Sensitivity |
|---|---|---|---|---|
| 87.6(H) x 58.8(W) x 29.5(D)mm | 140g | WD40[AC-HM4000PS(B)]: 3.5mm Audio Jack WR40[AC-HM4000PS(MB)]: UDC Connector |
PTT / Emergency / Function Button (supports ambient sound monitoring) |
AC-HM4000PS(B) : > 89dB (@ 0.283V, 1KHz, 1M) AC-HM4000PS(MB) : 93±3dB (@ 1W, 1M) |
| Microphone Sensitivity | Operating Temperature | Storage Temperature | Approvals |
|---|---|---|---|
| -38dB±3B（1kHz @1Pa) | -20°C ~ 60°C | -30°C ~ 80°C | EMC, CE, RoHs |
PTT EAR MIC
Feature
This product allows the LM75 to be securely fastened to a belt, and the clip-push mechanism makes it easy to attach and detach.
Specifications
| Cable Length | Weight | Connector | Dedicated Button | Speaker Sensitivity |
|---|---|---|---|---|
| PTT box to plug: 1000 ± 50 mm PTT box to clip: 800 ± 50 mm |
35g (excluding packaging box) | 3.5mm Audio Jack | PTT Button | > 89dB (@ 0.283V, 1KHz, 1M) |
| Microphone Sensitivity | Operating Temperature | Storage Temperature | Approvals |
|---|---|---|---|
| -52dB±3B（1kHz @1Pa） | -20°C ~ 60°C | -30°C ~ 80°C | RoHs |
Belt Clip
Feature
This product allows the LM75 to be securely fastened to a belt, and the clip-push mechanism makes it easy to attach and detach.
Specifications
| Dimensions | Weight | Material | Approvals |
|---|---|---|---|
| 79.5(L) × 25(W) × 16.2(H) | 10g | PC, SCP | RoHs |
