DP4400 vs DP4401 vs DP4401Ex: Which Variant
The three DP4000 variants share a datasheet family but not a use case. DP4401 adds the 800 MHz band that DP4400 lacks. DP4401Ex trades 5 W down to 1 W, adds 122 g of housing, narrows the UHF band to four sub-bands and moves the operating floor from -30 C to -20 C - because it is certified for explosive atmospheres, not because it is a better radio. Here is the decision order that stops buyers paying for ATEX on a site that never needed it.
| Specification | DP4400 / DP4401.. | DP4401Ex.. |
|---|---|---|
| Decision | DP4400 / DP4401 | DP4401Ex |
| Frequency bands | VHF 136-174 MHz, UHF 403-527 MHz, 300-360 and 350-400 MHz; DP4401 also 806-870 MHz | UHF in four sub-bands: 403-410, 417-422, 433-450, 469-470 MHz |
| RF power | 1 W low / 5 W high on VHF; 1 W low / 4 W high on UHF | 1 W high - the certified ceiling for the ATEX housing |
| Channel capacity | 32 | 32 |
| Ingress protection | Not ATEX rated | IP67 (IEC 60529); IP64 under the ATEX/IECEx certificate |
| Weight | 333 g with Li-Ion 1400 mAh; 303 g with IMPRES Slim 1650 mAh | 455.5 g with the NNTN8359 Li-Ion pack |
| Battery life, digital | 11.5-12.5 h on Li-Ion 1400 mAh; up to 23.5-25 h on IMPRES 2800 mAh | 16 h (5/5/90, high power, GNSS off) |
| Operating temperature | -30 C to +60 C | -20 C to +55 C |
| GPS | Not on DP4400/DP4401 | Not on DP4401Ex; the DP4801Ex variant carries GPS |
| Buy it when | The site needs DMR coverage and no zone classification applies | The area is classified and the certificate, not the wattage, is the permit condition |
DP4400
Buyers arrive at these three part numbers because a tender or a site drawing names the DP4000 series, and then the question is which suffix. The answer is not the one the price list implies. DP4400 and DP4401 are the same radio with a band difference: DP4401 adds 806-870 MHz, which matters only if the site already operates in that band or a regulator has assigned it. On every other line the two share 32 channels, 5 W VHF / 4 W UHF, the same battery catalogue and the same -30 C to +60 C envelope. If your licence is UHF 400-470 MHz, DP4401's extra band is inventory you carry and never transmit on.
DP4401
DP4401Ex is a different argument. Certification constrains the hardware, so the numbers move in the direction buyers do not expect: power drops from 5 W to 1 W, weight rises from 333 g to 455.5 g, the UHF range narrows to four sub-bands, and the operating floor moves up to -20 C. None of that is a downgrade - it is what an ATEX/IECEx housing costs. The practical consequence is coverage: a 1 W handheld needs the repeater and antenna plan to do work that a 5 W handheld would have done on its own, so budget the RF design before you budget the handsets. Note also that the manufacturer publishes IP64 under the ATEX certificate against IP67 outside it, and publishes no encryption figure for this model. Both are normal for certified equipment and both should appear in your technical submittal rather than being quietly upgraded by a reseller.
Check 2026 Wholesale Price
Motorola DP4400 / DP4401 Digital Two-Way Radio
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Motorola DP4401Ex UHF VHF Hazardous-Area Two-way Radio
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NNTN8359 IMPRES Li-ion Battery ATEX for DP4401Ex
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Motorola DP4401e Two-Way Radio
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Data Source: Motorola Solutions DP4000 Series portable specifications and DP4000Ex spec sheet (links on the DP4400, DP4401e and DP4401Ex product pages). Figures restate manufacturer documentation; they are not independent measurements.
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