5G Radio Zone 1/21


The 5G radio ensures secure and failure-free PoC communication via public or campus networks (4G or 5G) or Wi-Fi® in Ex-Zone 1/21. A gateway makes the IS440.1 interoperable with previous radio technologies and enables a seamless integration into existing systems. The 5G radio offers a user-orientated look & feel, a replaceable battery, large buttons for PTT, SOS, talkgroup selection, a powerful front speaker, an ISM interface and a functional fixing clip.
Available soon


  • Channel selector e.g. for PTT applications
  • Programmable red key (e.g. for lone worker protection/SOS)
  • Programmable side key (e.g. for PoC/PTT)
  • Additional programmable buttons, M1 & M2, assignable via Button App
  • 8-pin ISM interface for optional audio accessories
  • Powerful 4800 mAh for extreme runtime as an optional accessory
  • Amplified loudspeaker for noisy work environments
  • Integrated belt clip for safe carrying

Technical Features

Operating systemISM-OS
ProcessorQualcomm® QCM6490 Octa Core
Memory4 GB RAM
64 GB internal memory
Frequencies4G LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B12 MFBI/B13/B14/B17/B20/B25/B26/B28/B29/B30/B66/B68/B71
4G LTE-TDD: B38/B39/B40/B41/B42/B43/B48
5G NR: n1/n2/n3/n5/n7/n8/n12/n14/n20/n25/n28/n30/n38/n40/n41/n48/n66/n71/n77/n78/n79
DimensionsSize: 136,62 x 71,5 x 32 mm
Weight: 322 g
Display2,4" (6,096 cm) Corning® Gorilla® Glass V3
Battery2400 mAh
Camera8 MP AF front
ConnectivityWi-Fi® 6: IEEE 802.11 a/b/g/n/ac/e/k/r/ax/v with hotspot
Bluetooth® 5.2
GPS, A-GPS, Glonass, Beidou, Galileo, NavIC, QZSS, SBAS
Near Field Communication
Types of protectionIP68 dust-/waterproof
Usable from -20 °C to +55 °C

Further Features

Accelerometer, Gyroscope, Magnetic, Pressure sensors
SIM cart
SIM (Nano-SIM + eSIM)
Ladeoptionen (Desktopcharger, Magnetic)
USB-C, Desktop Charger, Multi Charger
Download datatsheet | pdf ▪ 285 KB


ATEX (Europe)
ATEX (Europe)
applied for
II 2G Ex ib IIC T4 Gb
II 2D Ex ib IIIC T135°C Db
IECEx (International)
IECEx (International)
applied for
Ex ib IIC T4 Gb
Ex ib IIIC T135°C Db


  • 5G Radio
  • Battery
  • i.safe PROTECTOR 2.0
  • Power Adapter universal
  • Safety Instructions
  • Screwdriver
  • Display Protection Foil
  • Quick Start Manual
Approved Accessories for IS440.1
BPIS440A.1A Battery
BPIS440A.1A Battery
IS440.1 Li-Polymer Batterie 2800 mAh, Typ BPIS440A.1A, Größe: 104,4 x 60,7 x 14,4 mm (L x B x H)
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.
i.safe PROTECTOR 2.0
Charging systems
i.safe PROTECTOR 2.0 USB-C Cable
i.safe PROTECTOR 2.0
i.safe PROTECTOR 2.0 USB-C Cable
For safe charging of the device via the type USB-C port.


Datasheet IS440.1
285 KB
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i.safe MOBILE Germany