Introducing the latest innovation from Lisheng Communications: The Screenless Long-Range Digital Walkie-Talkie! In an era where connectivity is key, our newest product revolutionizes communication without the distractions of screens. Designed for industries where reliability and efficiency are paramount, our walkie-talkie offers unparalleled performance at an unbeatable value.
M3 is available in both DMR Tier 2 and analog modes, it supports AES 256 encryption keys to secure communication. Rugged and Reliable, IP68 ingress protection, the radio can use across multiple environments and industries.
The M3EX Intrinsically Safe edition is specifically engineered for individuals operating in environments containing explosive gases and combustible dusts. It ensures secure and dependable voice and data communication within hazardous zones.
General |
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Frequency Range |
136~174MHz,350~400MHz 400~470MHz,450~520MHz |
Channel Spacing |
6.25kHz(NXDN) / 12.5 kHz / 25 kHz |
Channel/Zone Capacity |
32Channels /2 Zones |
Operating Voltage |
7.4V |
Battery Capacity |
2200mAh |
Battery Life (5/5/90) |
Analog: 11 hours ; Digital: 14 hours |
Vocoder Type |
AMBE+2TM |
Frequency Stability |
±1.0ppm |
Antenna Impedance |
50Ω |
Dimensions (without Antenna) |
133.5*61.7*40mm |
Weight |
约303g |
Ingress Protection (IP) Rating |
IP68 |
Receiver |
|
Analog Sensitivity |
0.2μV (12dB SINAD) |
Digital Sensitivity |
0.22μV (Typical) (BER 5%) |
Adjacent Channel Selectivity |
60dB @ 12.5kHz / 65dB @ 25kHz |
Intermodulation Rejection |
60dB @ 12.5kHz / 60dB @ 25kHz |
Blocking |
84dB @ 12.5kHz /84dB @ 25kHz |
Co-Channel Rejection |
-12dB @ 12.5kHz -8dB @ 25kHz |
Spurious Response Rejection |
65dB @ 12.5kHz / 65dB @ 25kHz |
Rated Audio Output Power |
1.0W /16Ω |
Conducted Spurious Emission |
<-57dBm(9kHz~1GHz) <-47dBm(1GHz~12.75GHz) |
Transmitter |
|
RF Power |
1W (Low) / ≤5W (High) |
Power Margin Variation |
+2/-3dB (under Extreme Conditions) |
Frequency Error |
±1.0ppm |
FSK Error |
<5% |
4FSK Transmission Bit Error Rate (BER) |
≤1×10-4 |
4FSK Modulation Frequency Deviation Error |
≤10.0% |
Occupied Bandwidth (PDT/DMR) |
≤8.5kHz |
TX Attack/Release Time |
≤1.5ms |
Adjacent Channel Power |
≤-50dB @12.5KHz /≤-60dB @25KHz |
Transient Adjacent Channel Power |
≤-50dB @ 12.5kHz / ≤-60dB @ 25kHz |
FM Modulation |
16K0F3E @25kHz/ 11K0F3E @12.5kHz |
4FSK Digital Modulation |
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 |
Spurious Emission |
≤-36dBm (9kHz~1GHz) ≤-30dBm (1GHz~12.75GHz) |
Note: The above specifications are tested in accordance with applicable standards. Due to the continuous development of technology, the above indicators are subject to change without prior notice.
IP68 Waterproof and Dust-tight Build
The M4 is IP68 dust and waterproof, this rugged construction provides dust-tight protection making it suitable for outdoor use.
Screen-Free Design
Stay focused on the task at hand without unnecessary distractions.
Long-Range Communication:
Seamlessly communicate across vast distances, ensuring no message goes unheard.
TDMA 2-Slot
The free slot can be allocated to enhance frequency efficiency and timely response under emergency.
Advanced encryption:
Adopts AES256 encryption to secure communication privacy and optimize information safety.
Analog and Digital Operation
Communicate effortlessly in a mixed group of analog and digital radios, automatically switching with no user intervention.
Loud and Clear Audio
Hear and be heard in noisy environments like construction sites using crystal-clear digital technology and a powerful speaker.
Audio Announcements
Ensure you’re communicating with the intended team by receiving a customizable voice announcement when switching channels.
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