Wearable Ultra-Compact DMR Radio

The Lisheng D313 is an ultra-compact, lightweight digital walkie-talkie built for seamless hands-free communication. Weighing just 42g with a discreet clip-on design, it ensures all-day comfort for frontline users. Supporting both digital and analog modes, it offers clear and reliable audio, flexible calling options, and optional encryption for secure communication. Ideal for hospitality, retail, and service environments.

Model:D313

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Product Description

Product Specification:

General
Frequency Range	400~480MHz
Channel Spacing	12.5 KHz / 25 KHz
Channel	256
Zone Capacity	8 Zones（32 channels）
Operating Voltage	3.8V
Battery Capacity	950mAh
Battery Life (5/5/90)	Analog mode: 6.7 hours Digital mode: 7.4 hours
Vocoder Type	AMBE+2
Frequency Stability	±1.0ppm
Antenna Impedance	50Ω
Dimensions (without Antenna)	67mm32.5mm27.5mm
Weight	Around 42g
Receiver
Analog Sensitivity	0.2μV(FM @ 12dB SINAD)
Digital Sensitivity	0.22μV(typ.) (@ 5% BER)
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 @ 25KHz / 65dB @ 25KHz
Rated Audio Output Power	1.0W /16Ω
Conducted Spurious Emission	<-57dBm（9KHz～1GHz） <-47dBm（1GHz～12.75GHz）
Transmitter
RF Power	1W (Low) / ≤2W (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 (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.

Product Details:

· Digital/Analog Compatible

· ARC4/AES128/AES256 Encryption

· Power Selective

· Lone Worker

· Single Call/Group Call/All Call

· Voice Operated Transmit (VOX)

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.