Walkie Talkies

Motorola DP4401 Ex

MOTOTRBO Digital Two-Way Radio (Intrinsically Safe)

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Minimum Order Quantity:10 units

The MOTOTRBO DP4401 Ex is an intrinsically safe digital two-way radio designed for hazardous environments where explosive gases, vapors, or dust may be present. With ATEX and IECEx certification, this radio ensures safe communication in petrochemical plants, oil refineries, grain handling facilities, and other potentially explosive atmospheres. Featuring IP66 rating for superior dust and water protection, MIL-STD 810 ruggedness, and advanced DMR digital technology, the DP4401 Ex delivers reliable, explosion-proof communication for mission-critical operations in Zone 1/Zone 21 hazardous locations.

ATEX Certified (II 2G Ex ib IIC T4 Gb)

IECEx Certified

IP66 Waterproof & Dustproof

MIL-STD 810 Tested

TIA4950 HazLoc

FM Approved

UL Listed

Download Datasheet (PDF)

Key Features

Intrinsically Safe

ATEX certified (II 2G Ex ib IIC T4 Gb) and IECEx approved for use in Zone 1 and Zone 21 hazardous areas. Prevents ignition of explosive atmospheres through intrinsic safety design.

Superior Protection

IP66 rated for complete dust tightness and powerful water jet protection. MIL-STD 810 tested for shock, vibration, and extreme temperature resistance in harsh industrial environments.

Digital Clarity

Advanced DMR digital technology delivers crystal-clear audio with noise cancellation. Integrated loudspeaker ensures intelligible communication even in high-noise industrial settings.

Rugged Durability

Built to withstand demanding conditions with robust housing and reinforced construction. Tested to military standards for reliability in the most challenging hazardous environments.

Technical Specifications

Frequency RangeVHF: 136-174 MHz / UHF: 400-470 MHz

Channel Capacity64 channels

Power Output2W (UHF), 2.5W (VHF) - Reduced power for intrinsic safety

Battery Life (Li-Ion 1800mAh)Approx. 14 hours digital / 10 hours analog

DisplayNone (button-controlled interface)

KeypadNo keypad (P1/P2 programmable buttons)

Protection RatingIP66 (dust tight, powerful water jets)

Military StandardMIL-STD 810 C/D/E/F/G tested

BluetoothNot available (disabled for intrinsic safety)

Wi-FiNot available (disabled for intrinsic safety)

GNSSNot available (disabled for intrinsic safety)

Audio ResponseTIA603D compliant

Modulation4FSK Digital, 12.5 kHz

Digital ProtocolETSI TS 102 361-1,-2,-3 DMR Tier II

Dimensions (H x W x D)128 x 58 x 42 mm (with 1800mAh battery)

Weight385g (with 1800mAh battery)

Operating Temperature-20°C to +55°C (hazardous area restriction)

Channel Spacing12.5 kHz

Receiver Sensitivity (Digital)0.22 μV (BER 5%)

Receiver Sensitivity (Analog)0.22 μV typical (12dB SINAD)

Adjacent Channel Selectivity60dB @ 12.5kHz

Audio Output Power0.5W nominal

Frequency Stability±0.5 ppm

Antenna Impedance50Ω

ATEX CertificationII 2G Ex ib IIC T4 Gb, II 2D Ex ib IIIC T130°C Db

IECEx CertificationEx ib IIC T4 Gb, Ex ib IIIC T130°C Db

HazLoc ClassificationClass I Division 1 Groups A/B/C/D, Class II Division 1 Groups E/F/G

Ambient Temperature Range-20°C ≤ Tamb ≤ +55°C

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