Smartphone Zone 1/21

IS541.1

The world's first 5G smartphone with 450 MHz support for Zone 1/21 enables mission-critical communication even when public mobile networks are unavailable. Built on the proven IS540.1 platform, it combines a 6-inch FHD display, a high-performance Qualcomm® chipset, and a replaceable 4,400 mAh battery for maximum reliability during continuous shift operation. The 16-pin ISM interface provides secure connectivity for approved accessories such as PTT headsets or remote speaker microphones.

Mini Picture
Mini Picture

Advantages

  • World's first 5G smartphone with 450 MHz support for Zone 1/21
  • Blackout-resilient communication for critical infrastructure
  • Extended frequency range 450 MHz B31/B72 + n31/n72
  • Expanded memory 12/256 GB in preparation for AI applications
  • Amplified loudspeaker for noisy work environments
  • Replaceable 4400 mAh battery
  • Programmable side key (e.g. for PoC/PTT)
  • Programmable red key (e.g. for lone worker protection/SOS)

Technical features

Operating system Android™ 14
Processor Qualcomm® QCM6490 Octa Core
Memory 12 GB RAM | 256 GB internal memory | microSD card supported
Frequencies 2G GSM 850/900/1800/1900 MHz
3G WCDMA B1/2/4/5/8
4G LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B12 MFBI/B13/B14/B17/B20/B25/B26/B28/B29/B30/B31/B66/B71/B72
4G LTE-TDD: B38/B39/B40/B41/B42/B43/B48
5G NR: n1/n2/n3/n5/n7/n8/n12/n14/n20/n25/n28/n30/n31/n38/n40/n41/n48/n66/n71/n72/n77/n78/n79
Dimensions Size: 180,0 x 84,9 x 20,6 mm | Weight: 435,6 g
Display 6,0" (15,24 cm) Corning® Gorilla® Glass V3 | usable with gloves
Battery 4400 mAh, 3,7 V | replaceable
Camera 48 MP AF rear | 5 MP FF front
Connectivity Wi-Fi® 6: IEEE 802.11 a/b/g/n/ac/e/k/r/ax/v with hotspot
Bluetooth® 5.2
GPS, A-GPS, Glonass, A-Glonass, Beidou, Galileo, SBAS
Near Field Communication
Types of protection IP68 dust-/waterproof | MIL-STD 810H | Usable from -20 °C to +55 °C
Interfaces USB-C
charging contacts
ISM interface

Further features

Multifunctional, lateral ISM interface for a quick and safe connection of additional devices

Function key red (function key assignable for different 3rd party application; e.g. loneworker protection)

Amplified loudspeaker

Accelerometer, Gyroscope, Light, Magnetic, Proximity, Pressure sensors

Dual-SIM (Nano-SIM + eSIM)

USB-C, Desktop Charger, Multi Charger

Download datatsheet | pdf ▪ 209 KB

Approvals

ATEX (Europe)
approved

II 2G Ex ia IIC T4 Gb
II 2D Ex ia IIIC T135°C Db

IECEx (International)
approved

Ex ia IIC T4 Gb  
Ex ia IIIC T135°C Db

Contents

Included
  • Smartphone
  • Antenna + colour coding set
  • Battery
  • USB-C Cable
  • Power Adapter universal
  • Screwdriver
  • Display Protection Foil
  • Safety Instructions
Approved accessories
Charging systems
IS-DC540.1 Desktop Charger Set
IS-DC540.1 Desktop Charger Set
Desktop charger for the IS540.x devices with a second charging slot for spare battery. Size: 114 x 80 x 54 mm (L x W x H)
IS-DC540.1 Desktop Charger Set
Product information IS-DC540.1
pdf
178 KB
Download
Operating Manual/Safety Instructions IS-DC540.1
pdf
2 MB
Download
Charging systems
IS-MC540.1 Multi Charger Set
IS-MC540.1 Multi Charger Set
Multi charger for five devices, each with a second charging slot for spare batteries as well as power cable AU-C7, EU-C7, UK-C7 and US-C7. Size: 595 x 113 x 90 mm (L x W x H). Compatible for IS540.1 and IS540.2.
IS-MC540.1 Multi Charger Set
Product information IS-MC540.1
pdf
253 KB
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Operating Manual/Safety Instructions IS-MC540.x
pdf
2 MB
Download
Headsets
IS-HDHS1B.1 Headset Set (Neckband)
IS-HDHS1B.1 Headset Set (Neckband)
Comfortable, noise-insulating headset with outstanding features such as a pleasant wearing comfort thanks to the soft ear pads, first-class audio components, approx. 27 dB sound attenuation and a microphone with excellent noise cancellation. The robust design is also suitable for difficult environments and the textile headband allows helmets and bump caps to be worn.
IS-HDHS1B.1 Headset Set (Neckband)
Datasheet IS-HDHS1x.1/IS-PTTBxA.1
pdf
208 KB
Download
Safety Instructions IS-HDHS1x.1
pdf
881 KB
Download
Operating Manual IS-HDHS1x.1/IS-PTTBxA.1
pdf
2 MB
Download
Headsets
IS-HDHS1C.1 Headset Set (Helm Mount)
IS-HDHS1C.1 Headset Set (Helm Mount)
Comfortable, noise-insulating headset with outstanding features such as a comfortable fit thanks to the soft ear pads, first-class audio components, approx. 27 dB sound attenuation and a microphone with excellent noise cancellation. The helmet attachment can be selected depending on the helmet type.
IS-HDHS1C.1 Headset Set (Helm Mount)
Datasheet IS-HDHS1x.1/IS-PTTBxA.1
pdf
208 KB
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Safety Instructions IS-HDHS1x.1
pdf
881 KB
Download
Operating Manual IS-HDHS1x.1/IS-PTTBxA.1
pdf
2 MB
Download
Headsets
IS-PTTB1A.1 PTT Button Set (16-pin)
IS-PTTB1A.1 PTT Button Set (16-pin)
The housing of the PTT button is made of impact-resistant, fibreglass-reinforced plastic and is ideally suited for robust use. Thanks to the splash water protection, it can also be used in a damp environment or in daily use in outdoor areas without any worries. There is a fastening clip on the back for attachment. The large, fluorescent transmit button allows safe operation even in hectic situations and the additional mountable protective ring prevents the button from being pressed accidentally.
IS-PTTB1A.1 PTT Button Set (16-pin)
Datasheet IS-HDHS1x.1/IS-PTTBxA.1
pdf
208 KB
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Operating Manual IS-HDHS1x.1/IS-PTTBxA.1
pdf
2 MB
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Safety Instructions IS-PTTBxA.1
pdf
869 KB
Download
Headsets
IS-HS2A.1 Headset Set
IS-HS2A.1 Headset Set
16-pin Headset, suitable for all 16 ISM interfaces.
IS-HS2A.1 Headset Set
Datasheet IS-HS2A.1
pdf
239 KB
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Safety Instructions IS-HS2A.1
pdf
748 KB
Download
Operating Manual IS-HS2A.1
pdf
1 MB
Download
Others
Acoustic Tube IS-HSx.x
Acoustic Tube IS-HSx.x
Acoustic Tube for replacement when the headset is worn out. Suitable for IS-HS1.1 (13-pin), IS-HS2A.1 (16-pin), and IS-HS3A.1 (8-pin) Packaging unit 10 pieces.
Carrying systems
Belt Clip IS540.x
Belt Clip IS540.x
Plastic black, for a quick and safe attachment to the belt.
Handschlaufe lanyard
Carrying systems
Lanyard/Hand Strap Set
Handschlaufe lanyard
Lanyard/Hand Strap Set
The set consists of the system adapter/fastening loop with push button connection (approx. 16 cm) as well as the tear-resistant, length-adjustable lanyard (adjustable approx. 48 to 66 cm) and the hand strap (adjustable approx. 20 to 25 cm). The hand strap and the lanyard can be easily detached from the system adapter and reattached by means of a pressure lock. The antistatic strap prevents the danger of electrostatic discharge and ignition of the explosive atmosphere. In addition, the lanyard is equipped with a safety lock at the neck, which opens as soon as it is pulled.The Lanyard/Handstrap Set is compatible with the following device series: IS120.x, IS320.1, IS330.x, IS530.x, IS540.x, IS725.2, IS-MP.x and IS-RSM1.1. Furthermore, the lanyard can be attached to the D-ring of the Leather Case.
Others
IS-Stylus Set
IS-Stylus Set
Stylus for operating touch screens. Made of metal with exchangeable rubber tip and plastic spiral cable.Stylus dimensions: 125 x 10 mm (L x ø); length of spiral cable: flexible from 24 to 70 cm.
Display protection foils
Display Protection Foil IS540.x (10 pcs)
Display Protection Foil IS540.x (10 pcs)
Rugged plastic foil for an extended protection of the display.
Display protection foils
PanzerGlass™ IS540.x
PanzerGlass™ IS540.x
PanzerGlass® foil for an extended protection of the display. Suitable for the devices IS540.1, IS540.2, IS540.M1.
Service
Warranty Extension
Warranty Extension
With our comprehensive warranty and service offer, you can protect yourself against additional service costs and receive years of safety and protection directly from the manufacturer. From the very first day, your equipment is protected against accidental damage and normal wear and tear. This reduces your total cost of ownership and benefit from the precision and functionality of our equipment for a long time.
Warranty Extension
Product information warranty extension
pdf
211 KB
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Downloads

Datasheet  IS541.1
209 KB
Download
Operating Manual IS541.1
7 MB
Download
Safety Instructions IS541.1
2 MB
Download
ATEX IS541.1
1 MB
Download
IECEx IS541.1
2 MB
Download