Roll over image to zoom in MOBILE IS440.1 Intrinsically Safe 5G Radio

Introducing the IS440.1 Intrinsically Safe 5G Radio from MOBILE – The Ultimate Secure Communication Device. The IS440.1 is a communication solution designed to deliver secure and flawless Push-to-Talk over Cellular (PoC) functionality. Equipped with advanced 5G radio technology, this device ensures seamless communication over public or campus networks (4G or 5G) or Wi-Fi in Ex-Zone 1/21 environments.

What sets the MOBILE IS440.1 apart from its competitors is its myriad of features designed to enhance your communication experience. Its user-friendly interface guarantees effortless navigation, making it easy to operate. The replaceable battery ensures long-lasting performance, keeping you connected for extended periods without any disruptions.


  • Zone 1/21 certified
  • 5G enabled Zone 1 radio
  • Channel Selector ideal for PTT applications.
  • Programmable Red Key can be used for lone worker protection/SOS.
  • Programmable Side Key suitable for PoC/PTT.
  • Additional Programmable Buttons: M1 & M2, assignable via Button App.
  • 8-pin ISM Interface
  • 4.800 mAh Battery
  • Amplified Loudspeaker – Perfect for noisy work environments.
  • Integrated Belt Clip ensuring safe and convenient carrying.

The IS440.1 is equipped with large, dedicated buttons for Push-to-Talk (PTT), SOS, and talkgroup selection, simplifying communication processes for quick and efficient interaction in critical situations. Its powerful front speaker delivers crystal-clear audio, ensuring effective communication even in the noisiest environments.

Additionally, the IS440.1 radio includes an ISM interface and a functional fixing clip for seamless integration into existing systems. Its compatibility with previous radio technologies through a gateway ensures a smooth transition from older systems to this advanced device.

The IS440.1 is built to provide reliable and efficient communication, making it an indispensable tool for demanding environments.

Have a particular application in mind? We’d welcome a call on +44 (0) 1189 169 420

ABLE are an authorised representative for MOBILE within the UK and can assist you and your customers in the following areas:

  • Handle future pre-arranged ‘call off’ quantities for expedient delivery
  • Offer after sales support utilising our in-house expertise
  • Offer free product specific training from our state-of the art training rig either in-person or via video call.

Further to the above, ABLE can offer custom solutions based on your requirements. Email us now at [email protected]

IS440.1 Specifications:

Operating System
Qualcomm QCM6490 Octa Core
4 GB RAM, 64 GB internal memory
Supported Frequency Bands
4G LTE-FDD: B1/2/3/4/5/7/8/12 with MFBI/13/14/17/20/25/26/28/29/30/66/68/71
4G LTE-TDD: B38/39/40/41/42/43/48
5G NR: n1/n2/n3/n5/n7/n8/n12/n14/n20/n25/n28/n30/n38/n40/n41/n48/n66/n71/n77/n78/n79
Dimensions / Weight
Size: 136,6 x 71,5 x 32 mm
Weight: 322 g
2.4“ Corning Gorilla Glass 3rd generation, 240 x 320 pixels
2400 mAh (4800 mAh optional), replaceable
8 MP FF camera
1 nano SIM + eSIM
Wi-Fi 6: IEEE 802.11 a/b/g/n/ac/ax/e/k/r/v
Bluetooth 5.2
GPS, A-GPS, Glonass, A-Glonass, Beidou, Galileo
Near Field Communication (NFC)
8-pin ISM interface for optional audio accessories
Accelerometer, Gyroscope, Magnetic, Pressure sensors
IP68 dust/waterproof
Usable from -20 °C to +55 °C
EX-Zone 1/21
II 2G Ex ib IIC T4 Gb
II 2D Ex ib IIIC T135°C Db
EX-Zone 1/21
Ex ib IIC T4 Gb
Ex ib IIIC T135°C Db
Class I, II, III Division 1
Groups A B C D E F G T4