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Dmr Trunking System
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Dmr Trunking System

Lisheng is one of professional leader China Dmr Trunking System manufacturers with high quality and reasonable price. Welcome to contact us. Introducing our state-of-the-art DMR trunking system designed to revolutionize communications across industries and organizations. Our DMR trunking system is a cutting-edge digital mobile radio technology that provides seamless, reliable and secure two-way communications. Whether you are in the public safety sector, the transportation industry, or any other field that requires efficient communications, our DMR trunking systems are the perfect solution for your needs.

Model:AP25

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Product Description

One of Chinese manufacturers of Dmr Trunking System, offering excellent quality at a competitive price, is Lisheng. Feel free to get in touch. Introducing our state-of-the-art DMR trunking system designed to revolutionize communications across industries and organizations. Our DMR trunking system is a cutting-edge digital mobile radio technology that provides seamless, reliable and secure two-way communications. Whether you are in the public safety sector, the transportation industry, or any other field that requires efficient communications, our DMR trunking systems are the perfect solution for your needs.


Our DMR trunked systems use Digital Mobile Radio (DMR) technology to provide users with crystal clear audio quality and superior coverage. The system allows the simultaneous use of multiple channels, dynamically allocating them according to user needs, making it efficient and practical in large-scale operations.


With our DMR clustered systems, users receive enhanced security features to ensure confidential communications within their organization. The system provides encryption to prevent unauthorized access to sensitive information and ensure the privacy and integrity of communication channels.


One of the key features of our DMR cluster system is its scalability. It can easily scale to meet growing communications needs, making it ideal for organizations of all sizes. Additionally, our DMR trunking systems are designed to integrate easily with existing communications infrastructure, minimizing costly and time-consuming overhauls.


Our DMR cluster systems are built with durability and reliability in mind. It is designed to withstand harsh environmental conditions, making it suitable for use in a wide range of industries, including construction, logistics, manufacturing and more. With its rugged construction, the system ensures uninterrupted communications even in the most demanding working environments.


Ease of use is another highlight of our DMR cluster systems. The user-friendly interface and intuitive controls allow operators to easily manage and navigate the system even in high-pressure situations. The system's ergonomic design and ergonomic features prevent operator fatigue and ensure seamless communication throughout the workday.


In summary, our DMR trunking system is a game changer in the field of two-way communications. With its advanced features, including DMR technology, enhanced security, scalability, durability and ease of use, our systems are the perfect choice for organizations looking to improve their communications capabilities. Whether you are in public safety, transportation, or any other industry, our DMR trunking systems are the ultimate solution for your communications needs. Experience seamless, secure and reliable communications like never before with our DMR clustered systems.


AP25 is our brand new professional Digital Trunking Radio, providing more efficient and more reliable communication with loud and clear audio, powerful battery, rugged and reliable, it can use across multiple environments and industries.


The device support PDT/DMR/NXDN digital conventional, Trunking standard communication protocol, convenient to meet the different needs of customers use environment and requirements to enable users to smoothly transition from analog communication system to digital communication system.


AP25 EX version is specially designed for those who work in environments with explosive gas and combustible dusts, providing secure and reliable voice and data communication in the dangerous areas.

Product Specification:

Transmitter

Output power

High power:4W

Low power:1W

Power tolerance changes

+2/-3dB

(extreme conditions)

Transmit frequency error

±1.0ppm

FSK Error

<3%

4FSK transmit bit error rate

≤1×10-4

4FSK modulation

frequency deviation error

≤10.0%

Occupied bandwidth (DMR)

≤8.5kHz

Power rise / fall time

≤1.5ms

Adjacent Channel Power (ACPR)

≤-60dB @12.5KHz

≤-70dB @25KHz

Transient switching adjacent channel power(ACTR)

≤-50dB @12.5KHz

≤-60dB @25KHz

FM Modulation Mode

16K0F3E @25kHz

11K0F3E @12.5kHz

4FSK Digital Modulation Mode

12.5KHz(data only):7K60FXD

12.5KHz(data+voice):7K60FXE

Audio distortion

≤3% @ 40% deviation

Audio response

+1 ~ -3dB

FM hum

and noise

40dB @12.5KHz

45dB @25KHz

Emission spurious

≤-36dBm (9kHz~1GHz)

≤-30dBm (1GHz~12.75GHz)

Receiver

Sensitivity (analog)

0.22μV (FM @ 12dB SINAD)

0.18μV(typ.) (FM @ 12dB SINAD)

0.3μV (FM 20dB SINAD)

Sensitivity

Digital

0.20μV(typ.) (@ 5% BER)

Intermodulation response immunity

65dB @ 12.5kHz

65dB @ 25kHz

block

90dB @ 12.5kHz

90dB @ 25kHz

Co-channel suppression

-12dB@ 12.5kHz

-8dB@ 25kHz

Spurious response

immunity

70dB @ 12.5kHz

70dB @ 25kHz

Audio output power,under 5% distortion

1.0W / 16Ω

Conducted emission spurious

<-57dBm(9kHz~1GHz)

<-47dBm(1GHz~12.75GHz)

General

Frequency Range

136~174MHz;

350~400MHz;

400~470 MHz;

Channel spacing

Analog:12.5KHz / 25KHz

Digital:12.5KHz

Channel capacity

500

Power requirements

7.4V (rated)

Battery

3000mAh (standard version)

Vocoder type

AMBE+2

Frequency stability

±1.0ppm

Antenna impedance

50Ω

Dimensions

(length x width x height)

147.5×63×41.7mm

weight

345.5g

The above indicators are based on ETSI standard tests. Availability according to each national laws and regulations vary. Unless otherwise stated, all displaye specifications are typical specifications and may be changed at any time without notice.

Product Details:


● Support multiple working modes

Trunking Mode (TM)

It can support PDT/DMR/NXDN digital trunking communication system service, realizes voice single

call, group call, broadcast call and rich trunking communication functions.

Conventional mode (DM/RM)

Fully support digital and analog services in the direct (DM) mode;

Fully support digital and analog services in the relay (RM) mode;

● Advanced encryption

Adopts ARC4 & #AES256 encryption to secure communication privacy and optimize information

safety.

● SFR (single frequency repeater) for DMR only

Single Frequency Repeater (SFR) is a technology that uses TDMA technology to rebroadcast two

way radio transmissions on the exact same physical frequency.

It can simultaneously receives and transmits at the same time, on the same frequency.

It does this by utilising DMR’s two time slots concurrently. The SFR receives on one time slot, whilst

transmitting on the other.

● Support multiple standard protocols

It can support PDT/DMR/NXDN digital conventional, Trunking standard communication protocol,

convenient to meet the different needs of customers use environment and requirements to enable

users to smoothly transition from analog communication system to digital communication system.

● Bluetooth voice / data service (Optional)

Support Bluetooth 4.2 standard access, support Bluetooth write frequency and Bluetooth call, the

function makes the versatility of the product more extensive.

● GPS/ Beidou/GLONASS positioning mode (Optional)

Support GPS/Beidou positioning, which can be realized GPS/Beidou position information

transmission, combined with command and dispatch software, can be intuitively view the location of

people on the map and make voice calls with them.

● Reliable and durable quality

The quality of the radio meets the national military standard and the IP67 industrial protection

standard, thus ensuring that the product structure is sturdy and durable, wear-resistant, antiaging,

and can exert excellent performance in a variety of harsh working environments.

● Man down

Man-Down is a tilt-switch inside the radio that automatically sends an alarm signal if the radio is

tipped on its side for more than a preset period. The radio usually beeps to warn the user that the

alarm signal will be sent if the radio is not positioned upright again.


The purpose of the "man-down" feature is to protect lone workers, so if someone was to fall over

incapacitating them, their radio would send out an alarm warning other users or the control center,

who can then send for help.

● Explosion-proof version

Ex marking: Ex ib IIC T4 Gb; Ex ib IIIC T130℃ Db

AP25 EX version is specially designed for those who work in environments with explosive gas and

combustible dusts, providing secure and reliable voice and data communication in the dangerous

areas.

Our Insepction and Packing Section:


we are committed to delivering top-quality two-way radio products, ensuring each product meets the highest standards through rigorous inspection and packaging processes. Our inspection and packaging team bears the responsibility of ensuring customers receive reliable products, providing a worry-free user experience.

Inspection Process:

1、Visual Inspection: Each two-way radio undergoes a thorough visual inspection to ensure flawless aesthetics that align with the company's brand image.

2、Functionality Testing: Our inspection team conducts comprehensive functionality tests on every radio, ensuring all features operate correctly. This includes key functions such as audio quality, signal strength, and channel switching.

3、Durability Testing: Products undergo durability tests to ensure they function properly in various environmental conditions, including extreme temperatures, humidity, and vibrations.

4、Battery Performance Testing: Battery life is crucial for radio performance. Strict performance tests are conducted on batteries to ensure reliable, extended use.

Packaging Process:

1、Anti-Static Packaging: Each radio undergoes anti-static packaging to prevent electrostatic damage during transportation.

2、Environmentally Friendly Packaging: Committed to sustainability, our packaging materials adhere to international environmental standards.

3、Shock-Resistant Packaging: Professional shock-resistant packaging is employed during transportation to prevent damage to products.

4、Integrity Check: The packaging team performs a final integrity check to ensure products remain intact and undamaged after the packaging process.


Our inspection and packaging processes aim to surpass customer expectations, ensuring that every two-way radio received has undergone rigorous testing and meticulous packaging as a high-quality product.



Customer Evaluation and Feedback:Satisfied customers are our number one priority
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