DP4401 Portable Two Way Radio

The DP4401 portable radio delivers unrivaled voice and data communications with integrated GPS and Bluetooth, plus best-in-class audio with an intelligent audio feature that automatically adjusts your radio's volume to fit the background noise level.

Available in UHF and VHF frequency bands, the DP4400 is easy to use and features up to 1,000 channel capacity, five programmable buttons, emergency button, IP57 specifications for submersibility and FM intrinsically safe option.


Features and Benefits

  • Embedded Bluetooth Audio: This bluetooth option enables connectivity with wireless accessories including Motorola’s unique Operations Critical Wireless earpieces.
  • Integrated GPS: Locate mobile work teams using integrated GPS.
  • Best-in-class Audio: Loud front-facing speaker and Intelligent Audio feature that automatically adjusts the radio volume according the environment’s noise level.
  • Productivity Enhancing Data Applications: Ability to bolt on optional customised applications including: location tracking, Bluetooth data, email gateways, dispatch, telephony, man-down and work order ticket management.
  • Emergency Button: Orange button on the top of the radio can be programmed to send an alert to a supervisor or dispatcher during an emergency situation.
  • Rugged Design: Tightly sealed against wind and dust, and submersible in up to one meter of water for 30 minutes (IP57).
  • Certified Instrinsically Safe (FM): Certified as intrinsically safe by FM approvals when purchased and equipped with an FM battery for use in hazardous environments.


Performance Characteristics

Frequency band: VHF, UHF
4/5 Watt: Yes
Repeater capable: Yes
Battery life (based on a 05/05/90 duty cycle): 17 hours in digital mode, 11.5 hours in analog mode
Standard battery chemistry type: Lithium Ion
1 Watt: Yes

Physical Characteristics

Available option board: Yes
Emergency button: Yes
Keypad: None
Display: No display
Weight (with standard battery): 11.39 oz (323 g)
Dimensions H x W x D (with standard battery): 5.13 x 2.17 x 1.56 in. (130.3 x 55.2 x 39.6 mm)

Radio Features

Transmit interrupt: Yes
Digital private line: Yes
Private line: Yes
Monitor/Permanent (Sticky) Monitor: Yes
Lone worker: Yes
GPS operation: Yes
Voice announcement: Yes
Signalling: MDC (Encode/Decode), Quik-Call II (Encode/Decode), DTMF Encode
Intelligent audio: Yes
Bluetooth: Integrated Bluetooth audio, Integrated Bluetooth data
Programmable buttons: Yes
Voice operated transmit (VOX): Yes
Time out timer: Yes
Talkaround: Yes
Text messaging capable: Yes
Scan types: Normal, Priority, Dual priority, Nuisance channel delete, Talk group, All group, System, Home revert
Phone book: Yes
Group call: Yes
One to one calling: Yes
Missed call alerts: Yes
CPS (Customer Programming Software): Yes
Channel spacing: 6.25, 12.5, 25
Number of channels: 32
Channel scan: Yes
Call tones: Yes
Call forward: Yes
Busy channel lockout: Yes
Integrated voice and data: Yes


System type: Conventional
Digital technology: Yes

User Environment

Submersible: Yes
FM: Yes
Intrinsically safe: Yes
Mil spec: 810 C, 810 D, 810 E, 810 F, 810 G
Noise reduction software: Yes
IP Standards: IP57


Standard package: IMPRES Li-Ion 2150 mAh battery (IP57), IMPRES Single-Unit Charger, Standard UHF or VHF antenna, Accessory Dust Cover, 2.5" Belt Clip (PMLN7008), User Guide, 2 year warranty plus 1 year Repair Service Advantage (US)/Extended Warranty (Canada)
Standard warranty: 2 years


IMPRES Batteries

IMPRES batteries, when used with an IMPRES charger, provide automatic, adaptive reconditioning, end-of-life display, and other advanced features. Data is stored in the battery and communicated to the charger via a unique IMPRES communication protocol that is designed to maximise talk time and optimise battery cycle life — all automatically. 

NNTN8129 IMPRES Battery

The NNTN8129 is a high-capacity 2300 mAh Li-Ion submersible battery that is intrinsically safe.

PMNN4409 IMPRES Submersible Battery
The PMNN4409 is a high capacity 2150 mAh Li-Ion, submersible IMPRES battery.


IMPRES Chargers

Through the use of advanced charging algorithms and automatic reconditioning features, the IMPRES™ Smart Energy System ensures maximum talk-time and optimised battery cycle life. These units automatically recondition IMPRES batteries to ensure peak condition, and also charge compatible non-IMPRES batteries. Batteries can be safely left on the charger for extended periods without overheating and remain fully charged and ready for work.

WPLN4215 Impres Multi Unit Charger
IMPRES Non-Display Multi Unit Charger


WPLN4222 Multi Unit Charger
IMPRES Display Multi Unit Charger

WPLN4256 Single Unit Charger
IMPRES Single Unit Charger


Remote Speaker Microphones

Windporting Remote Speaker Microphones:
These remote speaker microphones boast a revolutionary windporting feature that helps lessen
background noise from high winds and other severe weather conditions. Audio can pass through the speaker grill even when the microphone port is blocked by water. Now radio users can be more confident than ever of clear, understandable communication when Mother Nature is uncooperative. Coiled cord with new audio accessory connector allows talking and listening without removal from belt or case. Includes Push-to-Talk switch, swivel clip and quick disconnect latch.

Noise Cancelling Remote Speaker Microphones
Coiled cord and includes Push-to-Talk switch, swivel clip and quick disconnect latch.

PMMN4025 IMPRES Remote Speaker Microphone
IMPRES Remote Speaker Microphone with 3.5mm Audio Jack and Emergency button.


PMMN4040 Remote Speaker Microphone
Remote Speaker Microphone, Submersible.

PMMN4046 IMPRES Remote Speaker Microphone
IMPRES Remote Speaker Microphone with emergency button, two-position volume control and side option button.


PMMN4050 IMPRES Noise Cancelling Remote Speaker Microphone
PMMN4050 IMPRES Noise Cancelling Remote Speaker Microphone with 3.5mm Audio Jack (IP54).



PMAW4024 Combination GPS/UHF 430-470 MHz
Folded Monopole Antenna, 14 cm.

PMAW4048 Combination GPS/UHF 450-527 MHz Stubby Antenna
Combination GPS/UHF 450-527 MHz Stubby Antenna



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