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DM-990(DMR) two way radio walkie talkie

Model Number:DM-990(DMR)


Product Origin:Quanzhou

Type:Two way radio



DM-990(DMR) two way radio walkie talkie 

Main Features

• 16 Channel Zone (256 Digital,256 Analog)

• 2.0" TFT colorful display Colorful Menu Icon opeation


• Keylock Auto/Manual

• Squelch Setting

• Monitor /Permanent Monitor

• Talk Around

• Prompt Tone Setting

• Busy Channel Lockout


• Scan

• Priority Scan

• Keytone Control


• LED Indicator

• Battery Save

Digital Features

• Voice Encryption

• Private/Group/Generall Call

• Remote Kill / Revivie


• Call Log

• Man Down (Optional)

• FM Radio

• Remote Monitor

• Remote Detection

• Emergency Alarm

• Contact List

• Scan List

• Call Alert

Analog Features


• Narrow/Wide Band


• Compandor(Optional)

• Scrambler (Optional)

Robust & Compact structure, High Audio Quality!!

• Rich signaling

• TDMA working mode

• Dual Mode (Digital / Analog) operation ensures a smooth analog-to-digital migration

• Digital / Analog mode switch on same frequency (Unique)

• Contact supports private call, group call or all call.

• Software upgradable

• 16-bit digital voice encryption

• GPS (Optional)

• FM Radio

• 2.0” big & colorful TFT display

• With DVIS-AMBE+2™ vocoder (100% compatible with MOTOTRBO)

Model DM-990
FrequencyRange 400-480MHZ; 350-390MHZ 136-174MHZ; 245MHZ
Channel Zone 16
Total Channel Capacity (512) 256 (Analog) 256 (Digital)
Antenna Impedance 50Ω
Dimension (H x W x D) 126 x 56 x 37mm
Weight (W/Battery) 300G
Li-polBattery 3000mAh
Rated Voltage DC: 7.4V
Battery life: The average battery life under5/5/90duty cycle, and using carrier squelch and TX high power. 2000mAh Li-pol battery: Analog: 15 hours / Digital: 23 hours

Frequency 400-480MHZ; 350-390MHZ 136-174MHZ; 245MHZ
Channel Spacing 12.5kHz /25kHZ
Frequency Stability (-20 ℃,+60 ℃,+25 ℃) + / - 1.5ppm
Analog Sensitivity (12 dB SINAD) 0.3uV / 0.25uV
Digital Sensitivity (5% BER) 0.25uV / 0.20uV
Intermediation 65dB
Adjacent Channel Selectivity 60dB@12.5kHz / 65dB@25kHz
Spurious Rejection 65dB
Rated Audio 800mw
Audio Distortion @Rated Audio 3%
FM Hum & Noise -40dB @12.5kHz / -45dB @25kHz
Audio Response +1,-3dB
Conducted /Radiated Emission -57dBm

Frequency 400-480MHZ; 350-390MHZ 136-174MHZ; 245MHZ
Channel Spacing 12.5kHz /25kHZ  
Frequency Stability (-20 ℃,+60 ℃,+25 ℃) + / - 1.5ppm
Low Power 1W 2W
High Power 4.5W 5W
Modulation Restriction ±2.5kHz@12.5kHz /±5kHz@25kHz
FM Hum & Noise -40dB @12.5kHz / -45dB @25kHz
Conducted /Radiated Emission -36dBm<1GHz / -30dBm>1GHz
Adjacent Channel Selectivity -60dB@12.5kHz / -65dB@25kHz
Audio Response +1,-3dB
Audio Distortion 3%
FM Modulation 12.5kHz: 11K0F3E 25kHz: 16K0F3E
4FSK Digital Modulation 12.5kHz Data: 7K60F1D & 7K60FXD 12.5kHz Audio: 7K60F1E & 7K60FXE 12.5kHz Data & Audio: 7K60F1W
Digital Vocoder AMBE+2™
Digital Agreement ETSI-TS102 361-1, -2, -3

Precisely and standard designed for a long-term positioning( 95% value>could find 5 satellites @ rated -130dBm signal strength
TTFF (time to first fix) cold start <1 min
TTFF (time to first fix) warm start <10 s
Horizontal Position Accuracy <10 ms
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