i.safe MOBILE IS541.1
Rugged phoneAvailable
Where to buy i.safe MOBILE:
Brazil (1)
Overview
| Brand | i.safe MOBILE |
|---|---|
| Model | IS541.1 |
| Type | Rugged phone |
| Status | Available |
| Release year | 2026 |
| Approved in | — |
Platform
| OS | Android |
|---|---|
| OS version | 14 |
| Chipset | Qualcomm QCM6490 |
| RAM | 12 GB |
| Storage | 256 GB (microSD supported) |
Network
| Networks | 2G, 3G, 4G, 5G |
|---|---|
| LTE bands | B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B17/B20/B25/B26/B28/B29/B30/B31/B66/B71/B72/B38/B39/B40/B41/B42/B43/B48 |
| Wi-Fi | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) |
| Bluetooth | 5.2 |
| GNSS | GPS, GLONASS, BeiDou, GALILEO |
| Dual SIM | Yes |
Push-to-talk
| Dedicated PTT key | Yes |
|---|---|
| Programmable keys | 2 |
| PoC apps | — |
| 3GPP MCPTT | — |
| Analog/DMR hybrid | — |
Physical
| IP rating | IP68 |
|---|---|
| MIL-STD | MIL-STD-810H |
| ATEX | Yes |
| Display | 6″, touch |
| Battery | 4400 mAh |
| Weight | 435.6 g |
| Dimensions | 180 x 84.9 x 20.6 mm |
| Speaker | — |
| Camera | 48 MP rear, 5 MP front |
Notes
Built on the IS540.1 platform with added 450 MHz support (LTE B31/B72, NR n31/n72) for critical-infrastructure networks such as 450connect in Germany, which has whitelisted it. ATEX/IECEx Zone 1/21 (II 2G Ex ia IIC T4 Gb, II 2D Ex ia IIIC T135°C Db). The PTT flag reflects the programmable side key i.safe suggests for PoC/PTT; the red key is programmable for lone worker/SOS. It has a 16-pin ISM interface for PTT headsets and remote speaker mics. 5G NR bands are n1/n2/n3/n5/n7/n8/n12/n14/n20/n25/n28/n30/n31/n38/n40/n41/n48/n66/n71/n72/n77/n78/n79. Dual SIM is one nano-SIM plus eSIM. Battery is replaceable. Launched at Critical Communications World in June 2026.
i.safe MOBILE IS541.1: frequently asked questions
- Is the i.safe MOBILE IS541.1 FCC certified?
- We have not found a public approval record for this model in any country yet. That does not mean it is not approved, only that we have not found the record. United States: approved PoC devices
- How rugged is the i.safe MOBILE IS541.1 and how big is its battery?
- 4400 mAh battery, IP68 rating, MIL-STD-810H, ATEX certification for hazardous areas, and weighs 435.6 g.
- Which networks does the i.safe MOBILE IS541.1 support?
- It works on 5G, 4G, 3G, and 2G. LTE bands B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B17/B20/B25/B26/B28/B29/B30/B31/B66/B71/B72/B38/B39/B40/B41/B42/B43/B48, dual SIM, and Wi-Fi.
- What is the difference between the i.safe MOBILE IS541.1 and the i.safe MOBILE IS540.2?
- Both have 5G. Both have ATEX. The i.safe MOBILE IS541.1 is heavier: 435.6 g against 422 g (+3%). Compare with i.safe MOBILE IS540.2
- Where can I buy the i.safe MOBILE IS541.1?
- The directory lists i.safe MOBILE resellers in Brazil (1). Where to buy i.safe MOBILE
Sources
- https://www.isafe-mobile.com/en/products/product-range/zone-1/21/is5411
- https://www.isafe-mobile.com/en/company/news/detail/is5411-the-worlds-first-5g-450-mhz-smartphone-for-zone-1-21-enables-mission-critical-communication-in-potentially-explosive-atmospheres
Last verified:
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