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MOTOTRBO - Mobile Radios
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MOTOTRBO – Mobile Radios

General Description:
Your staff is constantly on the move—transporting cargo, making deliveries, or driving children to and from school. It’s critical to keep them focused and efficiently connected. You also want to ensure that the radios they use are as affordable and adaptable as possible.

Now there are flexible mobile terminals that deliver excellent voice communications today, with a path to migrate to clear digital voice when you’re ready. Versatile and powerful, MOTOTRBO™ combines the best of two-way radio functionality with the latest analog and digital technology. The MOTOTRBO portfolio offers the right device for the right user, from voice-only portables to fully featured voice and data radios.

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Description

General Description:

 

Your staff is constantly on the move—transporting cargo, making deliveries, or driving children to and from school. It’s critical to keep them focused and efficiently connected. You also want to ensure that the radios they use are as affordable and adaptable as possible.

Now there are flexible mobile terminals that deliver excellent voice communications today, with a path to migrate to clear digital voice when you’re ready. Versatile and powerful, MOTOTRBO™ combines the best of two-way radio functionality with the latest analog and digital technology. The MOTOTRBO portfolio offers the right device for the right user, from voice-only portables to fully featured voice and data radios.

With strong audio, wider coverage, and advanced MOTOTRBO features, the DEM 300 and DEM 400 are cost-effective analog/digital mobile radios. The DEM 400 has a bright, high-contrast alphanumeric display showing key information at a glance, while the DEM 300 offers a simpler numeric display. Both are easy to use, rugged, and designed to boost efficiency and safety.

✅ Features

  • Voice communications

  • Dual Capacity Direct Mode (digital only)

  • Numeric display (DEM 300)

  • Alphanumeric display (DEM 400)

  • Compliant with Digital Mobile Radio (DMR) standards

  • Narrowbanding compliant

  • IP54 rating (dust/splash resistant)

  • Analog scrambling (encryption)

Options:

  • Radio Management Suite

  • Transmit Interrupt (decode only)

📊 Technical Specifications (Translated Table)

Specification DEM 400 (VHF) DEM 400 (UHF Band 1) DEM 300 (VHF) DEM 300 (UHF Band 1)
Channel Capacity 64 64 16 16
RF Output Power 1–25 W (low) / 25–45 W (high) 1–25 W (low) / 25–40 W (high) 1–25 W (low) / 25–45 W (high) 1–25 W (low) / 25–40 W (high)
Frequency Range 136–174 MHz 403–470 MHz 136–174 MHz 403–470 MHz
Dimensions (H × W × D) 44 × 169 × 134 mm (1.7 × 6.7 × 5.3 in) Same Same Same
Weight 1.3 kg (2.9 lb) Same Same Same
Power Consumption (Standby) 0.81 A max 0.81 A max 0.81 A max 0.81 A max
Power Consumption (Rx nominal audio) 2 A max 2 A max 2 A max 2 A max
Power Consumption (Tx) 11.0 A max (1–25 W) / 14.5 A max (25–45 W) 11.0 A max (1–25 W) / 14.5 A max (25–40 W) Same as DEM400 VHF Same as DEM400 UHF
FCC ID ABZ99FT3090 (1–25 W) / ABZ99FT3091 (25–45 W) ABZ99FT4092 (1–25 W) / ABZ99FT4093 (25–40 W) Same as DEM400 VHF Same as DEM400 UHF
IC Code 109AB-99FT3090 (1–25 W) / 109AB-99FT3091 (25–45 W) 109AB-99FT4092 (1–25 W) / 109AB-99FT4093 (25–40 W) Same as DEM400 VHF Same as DEM400 UHF

📡 Receiver Specs

  • Channel Spacing: 12.5 kHz / 25 kHz*

  • Frequency Stability: ±0.5 ppm (−30 °C to +60 °C)

  • Analog Sensitivity (12 dB SINAD): 0.3 µV (typical 0.22 µV)

  • Digital Sensitivity (5% BER): 0.25 µV (typical 0.19 µV)

  • Intermodulation (TIA603D): 75 dB (VHF) / 70 dB (UHF)

  • Adjacent Channel Selectivity: 50 dB @ 12.5 kHz; 75 dB @ 25 kHz* (VHF) / 70 dB (UHF)

  • Spurious Rejection: 75 dB (VHF) / 70 dB (UHF)

  • Audio Output: 4 W (internal); 7.5 W (external 8Ω); 13 W (external 4Ω)

  • Audio Distortion: 3% (typical)

  • Conducted Spurious Emissions: −57 dBm

📡 Transmitter Specs

  • Channel Spacing: 12.5 kHz / 25 kHz*

  • Frequency Stability: ±0.5 ppm (−30 °C to +60 °C)

  • RF Output Power: 1–25 W (low); 25–45 W (high, DEM400 VHF); 25–40 W (high, DEM400 UHF)

  • Modulation Limits: ±2.5 kHz @ 12.5 kHz; ±5.0 kHz @ 25 kHz*

  • FM Hum & Noise: −40 dB @ 12.5 kHz / −45 dB @ 25 kHz*

  • Conducted/Radiated Emissions: −36 dBm < 1 GHz / −30 dBm > 1 GHz

  • Adjacent Channel Power: 60 dB @ 12.5 kHz / 70 dB @ 25 kHz*

  • Audio Distortion: 3%

  • FM Modulation: 11K0F3E @ 12.5 kHz; 16K0F3E @ 25 kHz*

  • Digital Modulation (4FSK): 7K60F1D, 7K60FXD (data); 7K60F1E, 7K60FXE (voice); 7K60F1W (voice+data)

  • Digital Vocoder: AMBE+2™

  • Digital Protocol: ETSI TS 102 361-1/2/3

*Note: 25 kHz channel spacing is not available in the U.S.

🌍 Military Standards & Environmental Specs

  • MIL-STD 810 C/D/E/F/G: Tested for low/high temp, thermal shock, solar radiation, rain, humidity, salt fog, dust, vibration, shock.

  • Operating Temperature: −30 °C to +60 °C

  • Storage Temperature: −40 °C to +85 °C

  • Humidity / Thermal Shock / Vibration: As per MIL-STD

  • Ingress Protection: IP54 (dust/splash resistant)

  • Electrostatic Discharge (ESD): IEC 61000-4-2 Level 3

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