Where it's used
A handheld for teams on foot, suited to live tracking on the dispatch map, lone-worker emergency alerts and outdoor work in dust and wet.
- Security
- Commercial centres
- Logistics
- Hospitality
- Emergency response
- Sports events
Inrico T521 4G Radio (Linux)

Integrated Safety Features
The T521 integrates SOS/GPS features for rapid reinforcement and enhanced personnel safety. This is crucial since worker safety is a top priority.

Reliability in Tough Environments
Designed with an IP66 waterproof and dustproof feature, the T521 guarantees high reliability, making it ideal for industries such as construction, where resilience in challenging conditions is paramount.

Clear Communication
Equipped with a 3W high-power speaker and a volume of up to 120dB, the T521 ensures clear message delivery in harsh and noisy environments. This makes it indispensable in retail, ensuring effective communication in bustling settings.

Extended Power
With a 4,800mAh large-capacity battery, the T521 provides extended power for prolonged standby periods. This makes it well-suited for rental businesses, ensuring reliable communication throughout long shifts.
Specification
Hardware
| RAM + ROM | 48MB + 128MB |
|---|---|
| USB | Micro USB 2.0 |
| Card slot | Nano single card |
| Interface | K head |
| Speaker | Ø40mm, 8Ω / 3W |
| Battery | 4800mAh |
| Talk time | 25 hrs |
| Standby time | 35 hrs |
| Dimensions (H×W×D) | 141.2 × 64.3 × 38.5 mm (without belt clip and antenna) |
| Weight | ≈ 308 g |
| Operating system | RTOS |
Connection
| Frequency | GSM B2/3/5/8 · WCDMA B1/2/4/5/8 · FDD-LTE B1/2/3/4/5/7/8/20/28/66 · TDD-LTE B38/39/40/41 |
|---|---|
| Bluetooth | Support |
| Navigation | GPS, GLONASS |
Certification
| Drop resistance | 1.2 m |
|---|---|
| Ingress protection | IP66 |
| Certification | CE / FCC / ROHS |
Source: Inrico T521 brochure 2024.3.01 (product gallery, page 2)
In the box
- Charging cable
- Power adaptor
- Belt clip
- Battery
- Strap
- Antenna
- Desktop charger
Type approved for South Africa
The T521 is type approved by ICASA for sale and use in South Africa, and Inrico rates it IP66 against dust and powerful water jets.
TA-2023/1033
- Type approved for sale and use in South Africa
- 4G LTE bands 1, 3, 7, 8 and 20, plus 2G and 3G
- Bluetooth and GPS are covered too
Issued to Inrico SA on 20 July 2023, under the model name T522.
IP66
- Dust tight
- Protected against powerful water jets from any direction
- Handles storms, hosing and dusty sites
Not rated for submersion, so keep it out of water.
Related
Inrico T522A 4G PoC Radio
Inrico T700 4G Radio
Inrico T320 EX Intrinsically Safe PoC Radio