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The Motorola DP4401E is a digital walkie-talkie with high audio performance, optional built-in GPS, Bluetooth audio and data, and smart audio.
The walkie-talkie provides voice and data transmission capabilities. Features include the ability to integrate the GPS module, support for audio and data transmission via Bluetooth, and an audio system that supports voice announcement and intelligent volume control, has five programmable buttons and an emergency key. The P4 button can be optionally programmed to send a signal to a supervisor or dispatcher during emergencies. A loud speaker on the front panel and intelligent audio function automatically adjusts the volume of the radio based on the noise level. A single site digital trunking system is included, which increases the power of the MOTOTRBO system. Provides the transmission of large volumes of voice and data for more than a thousand users on one site without the need for additional frequencies.
The Motorola DP4401E radio supports up to 32 channels and meets the IP57 submersible and FM intrinsic safety specifications.
Frequency range, MHz UHF: 403-527
Number of channels: 32
Interchannel distance, kHz: 12.5 / 20/25
Working voltage, V: 7.5
Dimensions with Li-Ion 1650 mAh battery, mm: 130x55x34
Weight with battery, g: 295
Output power: 4W (UHF)
Conducted Spurious Emissions: -36 dBm <1 GHz / -30 dBm> 1 GHz
Adjacent Channel Selectivity: 60 dB @ 12.5 kHz / 70 dB @ 20/25 kHz
Digital protocol: ETSI TS 102 361-1, -2, -3
Frequency stability: ± 0.5ppm