Professional DMR Radio

The A20 digital radio enhances communication efficiency and reliability through its superior audio clarity, robust battery life, and rugged design. Engineered for versatility, it is ideally suited for deployment across a wide range of environments and industries.

Model:A20

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Product Description

Product Specification:

General
Frequency Range	136~174MHz,350~400MHz 400~470MHz,450~520MHz
Channel Spacing	12.5KHz/25KHz（Analog） 12.5KHz（Digital）
Channel Capacity	64Channels (2 Zones)
Zone Capacity	2 (32 Channels per Zone)
Operating Voltage	7.4V
Battery Capacity	3000mAh
Battery Life (5/5/90)	Analog: 15 hours ; Digital: 19 hours
Vocoder Type	AMBE+2
Frequency Stability	±1.0ppm
Antenna Impedance	50Ω
Dimensions (H x W x D)	5.83” x 2.56” x 1.69” (148 x 65 x 43mm)
Weight	11.21oz (318g)
Ingress Protection (IP) Rating	IP68
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 @12.5KHz
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)
Transmit 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	40 dB @ 12.5KHz /45 dB @ 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

· IP68 Rated Waterproof & Dust-proof

· Voice Encrypted

· Vibration

· Up to 300 Hours of Voice Recording

· Supports Private Call/Group Call/All Call

· Noise Cancellation

· Man Down

· Lone Worker Mode

· Emergency Alarm

· Remote Kill/Revive/Stun

· GPS Positioning (optional)

· Bluetooth 4.2 (optional)·

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.