DP4400 Portable Two Way Radio

The DP4400 portable radio delivers unrivaled voice and data communications with optional GPS and Bluetooth data integration, 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

  • Best-in-class Audio: Loud front-facing speaker and Intelligent Audio feature that automatically adjusts the radio volume according the environment’s noise level.
  • 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

Digital private line: Yes
Private line: Yes
Monitor/Permanent (Sticky) Monitor: Yes
Lone worker: Yes
Voice announcement: Yes
Signalling: MDC (Encode/Decode), Quik-Call II (Encode/Decode), DTMF Encode
Intelligent audio: Yes
Programmable buttons: Yes
Voice operated transmit (VOX): Yes
Time out timer: Yes
Talkaround: 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 which is designed to maximise talk-time, automate battery maintenance and optimise battery cycle life. Batteries can be charged and reconditioned without being removed from the radio.

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. This smart energy system automatically reconditions IMPRES batteries based on actual usage, keeping them in peak condition. Talk-time and cycle life are optimised and the need for manual maintenance programs is eliminated. Its advanced conditioning features allow batteries to be safely left on the charger for extended periods of time without incurring damaging heat build-up which can decrease battery cycle life. In addition, batteries left in the charger are kept fully charged. This rapid-rate, tri-chemistry charging system will also charge compatible non-IMPRES batteries.



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