Intrinsically Safe
Push-to-Talk over Cellular
Built for the world's most hazardous workplaces.
Certified Intrinsically Safe 4G LTE & Wi-Fi PTToC handheld engineered for environments where combustible dust or explosive gases may be present — secured on AT&T, T-Mobile and Verizon, managed on the ISPTToC platform.
- 3
- U.S. carriers
- IP68
- rated chassis
- −22°F
- operating min
Featured
IS 700 UL913
Certified safe · Carrier secure · Cloud managed
━━ Engineered for hazardous environments
Every detail built so your team can Communicate Safely on the plant floor.
From the spark-free chassis to AI noise‑cancelled audio, the IS 700 UL913 is engineered to deliver enterprise-grade voice in the harshest, most regulated environments on earth.
UL913 & CSA Certified
Intrinsically safe for hazardous locations.
IP68 + MIL-STD-810G
Dust, water and shock resistant.
Man-Down + SOS
G-sensor with one-key panic button.
GPS / GLONASS / BDS
Geofencing and live tracking.
4200 mAh Battery
Full-shift Ex Li-ion polymer pack.
AI Noise Cancellation
Loud, clear audio in noisy plants.
4G LTE + Wi-Fi + BLE
Tri-carrier LTE with Wi-Fi fallback.
AES-256 Encrypted
Secure PTToC, end-to-end.
━━ Certified by design
UL913 & CSA
Intrinsically Safe
Advanced safety circuits limit thermal and electrical energy so the device can never become an ignition source — even in atmospheres where combustible dust or explosive gases may be present.
United States
Canada- Class I, II, III · Division 1 · Groups C–G · T4
- Class I · Division 2 · Groups A–D · T4
- Operating temperature −22°F to +140°F
- Storage temperature −40°F to +185°F
━━ Industries we serve
Built for the industries that can't compromise on safety.
Aviation
Ramp, fueling and ground operations where sparks must never happen.
Oil & Gas
Upstream rigs, midstream terminals and downstream refineries.
Hazmat Transport
Tanker fleets and rail transfer yards with coast-to-coast PTToC.
Pharmaceuticals
Solvent handling, API manufacturing and cleanroom-adjacent ops.
Chemical Industry
Reactor halls, blending operations and storage farms.
Utilities
Substations, gas distribution and field crews on the grid.
━━ Where ordinary radios can't go
Push-to-Talk over Cellular & Wi-Fi
for places where sparks aren't allowed.
Built for refineries, rigs, ramps, tank yards and tarmacs — where ordinary radios are simply not allowed.
━━ Featured product
IS 700 UL913
Certified Intrinsically Safe 4G PTT over Cellular Radio
Engineered to comply with UL913 and CSA intrinsic safety standards, the IS 700 operates safely in hazardous settings — petroleum, chemical and natural gas — delivering secure, reliable communication with a modern PTToC experience.
- Tri-carrier 4G LTE
- Wi-Fi + Bluetooth + NFC
- Multiple PTT call modes
- Dispatcher remote control
- Man-Down + SOS alerts
- GPS / BDS / GLONASS
━━ The full ISPTToC lineup
One secure PTToC network. Every endpoint your team needs.
The IS-700 UL913 is the certified-safe core — surrounded by a complete family of radios, gateways, dispatch and mobile apps that all share the same encrypted talk groups.
Intrinsically Safe Portable
IS-700
UL913 & CSA certified intrinsically safe 4G LTE PTToC handheld.
The flagship ISPTToC radio — engineered for hazardous locations where combustible dust or explosive gases may be present. Tri-carrier LTE, IP68 chassis and full-shift battery, secured on AT&T, T-Mobile and Verizon.
- UL913 + CSA certified
- Tri-carrier 4G LTE
- IP68 + MIL-STD-810G
- Man-Down + SOS
Non-IS Portable
NIS-700
The IS-700 form factor, without the intrinsic-safety certification.
Same rugged handheld as the IS-700 UL913 — purpose-built for teams that need PTToC across non-classified areas of the operation. Ideal for security, logistics, facilities and supervisors who move between yards, offices and field sites.
- Tri-carrier 4G LTE
- Wi-Fi + Bluetooth + GPS
- Full-shift battery
- Man-Down + SOS
MOBILE RADIO
M-50
In-vehicle 4G LTE PTToC for fleets and dispatch-driven operations.
A vehicle-mounted PTToC radio engineered for fleet, hazmat transport and field-service trucks. Connects exclusively on 4G LTE bands for nationwide carrier coverage with loud cabin audio and external antenna support.
- 4G LTE only (no legacy 2G/3G)
- 12 / 24 V vehicle power
- External GPS + LTE antenna
- Hand-mic with PTT
Radio over IP
PTToC-Gateway
Bridge legacy LMR radio systems into the ISPTToC network.
A Radio-over-IP gateway that links existing two-way radio repeaters and consoles to ISPTToC talk groups — protecting infrastructure investment while extending coverage nationwide over cellular.
- Analog & digital LMR interop
- Talk-group bridging
- Remote monitoring
- Rack or wall mount
Dispatch Console
ISPTToC Platform
Web PC Dispatch Console for ISPTToC fleets.
A purpose-built dispatch console for ISPTToC — manage talk groups, users, geofences and live location across every IS-700, NIS-700, M-50 and mobile-app endpoint from a single Windows operator workstation.
- Live GPS map & geofencing
- Multi-channel monitoring
- Voice recording & playback
- Emergency / SOS handling
Mobile Apps
ISPTToC Mobile App
iOS & Android push-to-talk for supervisors and BYOD users.
Mobile app that turns any smartphone into a secure PTToC endpoint — perfect for managers, drivers and contractors who need to join talk groups without carrying a dedicated radio.
- iOS + Android
- Same talk groups as IS-700
- Bluetooth PTT accessory support
- AES-256 encrypted voice
━━ Field-ready kit
What's in the box — and what you can add
Every Intrinsically Safe radio ships field-ready. Round out your deployment with certified-safe accessories built for the same hazardous environments.
In the box
IS Handheld Radio
Certified UL913 / CSA chassis
4200 mAh Ex Battery
Intrinsically Safe Li-ion polymer pack
IS Antenna
Certified-safe LTE antenna
Desktop Charger
Single-unit charging cradle
AC Power Adapter
Universal wall adapter for the cradle
Belt Clip
Spring-tensioned belt clip
Hand Strap
Field-ready wrist strap
Optional accessories
IS Remote Speaker Mic
Lapel-mounted PTT with loud audio
Bluetooth Earpiece
Wireless boom mic with USB-C charging
Eight-Bay Gang Charger
Charge up to eight radios or batteries at once
Spare 4200 mAh Ex Battery
Hot-swap for multi-shift operations
Vehicle Charger
12 / 24 V in-cab charging for fleet crews
Heavy-Duty Carry Case
Leather holster with rotating belt loop
All listed accessories are intended for use with the certified Intrinsically Safe radio. Contact us for the current accessory catalog and certified part numbers.
━━ Technical specifications
US Version
Specs shown reflect the US carrier-band configuration. An EU version is also available with regional LTE bands and CE/ATEX-aligned options on request. All units ship field-ready with certified-safe accessories.
- Network Bands
- LTE FDD B2/B4/B5/B7/B12/B13/B25/B26 · WCDMA B1/B2/B4/B5/B8 · GSM 850/1900
- Display
- 1.77" color LCD · 128 × 160
- Memory
- 1 GB RAM · 8 GB ROM
- Battery
- 4200 mAh Ex Li-ion polymer
- Audio Output
- 2 W amplified speaker
- Dimensions
- 4.72 × 2.13 × 1.46 in (120 × 54 × 37 mm)
- Weight
- 12.66 oz with antenna & battery
- Dust & Water
- IP68
- Military Standard
- MIL-STD-810G
- Certifications
- UL913 (US) · CSA (CAN)
- Operating Temp
- −22°F to +140°F
- Storage Temp
- −40°F to +185°F
━━ Let's deploy
Ready to deploy
Certified‑Safe push‑to‑talk?
Tell us about your hazardous-location deployment and we'll build a quote — devices, accessories, eSIM data plans and dispatch licensing.
Intrinsically Safe
Push-to-Talk over Cellular