MOTOROLA MTP3500 (TETRA)
WiFi-Provisioned TETRA Mainstream with 19-Hour Runtime
- • TETRA handportable on licensed dedicated networks
- • 2.0-inch color display and 2,100mAh battery for 19-hour operation
- • Integrated Wi-Fi for over-the-air programming and firmware updates — radios update without docking
- • TEA end-to-end encryption with air-interface class 3 security
- • GPS tracking; IP67 with MIL-STD-810G
MOTOROLA DP4401e (MOTOTRBO)
99-Channel MOTOTRBO Mid-Range with GPS and IP67
- • MOTOTRBO DMR on licensed or license-free spectrum with Capacity Max / Tier III options
- • 99-channel capacity across multiple zones — room for site talkgroups, agency interoperability channels and future expansion
- • GPS location and IP67 protection included; color display
- • AES-256 encryption with Enhanced Privacy options
- • 28-hour runtime with IMPRES 2 battery management
| Spec | MTP3500 (TETRA) | DP4401e (MOTOTRBO) |
|---|---|---|
| Network Protocol | TETRA licensed dedicated | MOTOTRBO DMR (Capacity Max / Tier III) |
| Battery Runtime | 2,100mAh / 19h | IMPRES 2 / 28h |
| Channel Architecture | Network-managed TETRA talkgroups | 99 channels across multiple zones |
| Encryption | TEA end-to-end + air-interface class 3 | AES-256 + Enhanced Privacy |
| Ruggedness & Location | IP67 + MIL-STD-810G; GPS | IP67; GPS |
The Buying Decision — The Network Decides, the Radio Executes. Protocol choice is infrastructure-bound: TETRA (MTP3500) is a licensed dedicated-network standard for public safety and metro transit agencies; MOTOTRBO DMR (DP4401e) runs on licensed or license-free spectrum for commercial fleets. So the real question is for groups that operate both estates — a utility with a TETRA control network and DMR field sites, or a security contractor bridging two client networks. In that dual-protocol world the MTP3500 wins where mission-critical over-the-air key management (TEA class 3) and Wi-Fi no-docking provisioning matter most; the DP4401e wins where 99-channel multi-zone capacity, 28-hour IMPRES runtime and AES-256 at lower per-radio cost carry the day. Standard practice: standardize the buying contract across both radios (same accessory strategy, same battery vendor), but never try to run TETRA radios on DMR sites or vice versa.
Data Source: Motorola MTP3500 datasheet (mtp3150vsmtp3500 in-site block); Motorola DP4401e datasheet (dp2400evsdp4401e in-site block).
