Mexico: rules and approvals
Mexico has two approval schemes, telecom homologation and NOM certification, and neither is mandatory for every product; which applies depends on what is being sold.
Mexico · rugged
Rugged Smartphone in Mexico
The IS-04Z1 is an Ex mobile phone for people working inside classified areas at Mexican refineries, offshore platforms, petrochemical plants and fuel terminals. If you are specifying a rugged smartphone for Mexico, this page covers the markings, the approvals and the current certification status of the IS-04Z1.
Pre-launch · certification in progress · Launching Q4 2026
Marking targetEx ib IIC T4Intrinsic safety, Zone 1 / 21 design target · certification in progress
AvailabilityQ4 2026via authorised distributors
Search topicrugged
DeviceSmartphone
RouteSpecification
WhereMexico
Short answer. The SAMS IS-04Z1 is the intrinsically safe smartphone covered here for Mexico: pre-launch, designed for Zone 1 and Zone 21 (marking target Ex ib IIC T4), with certification in progress and no certificate issued.
Where things stand: the IS-04Z1 has not launched, and none of its four certification routes has produced a certificate yet. An operator's own vendor approval is a separate step. Certification status. Place facts reviewed October 2026.
At a glance · rugged
Checklist: rugged smartphone for Mexico
| Check | What to look for | IS-04Z1 today |
|---|---|---|
| Ingress protection | IP65 to IP68 sealing | IP68 design |
| Drop and shock | A stated drop height onto concrete | Specification on request |
| Explosion protection | A separate certificate and marking | In progress; not issued |
| Where it applies | Mexico: Dos Bocas, Tabasco, Bay of Campeche, Ciudad del Carmen | Classified by the site operator |
Product · Mexico
The product behind this search: the SAMS IS-04Z1.
SAMS IS-04Z1
An intrinsically safe Android smartphone designed for Zone 1 and Zone 21 hazardous areas in Mexico. It is pre-launch: IECEx, ATEX and NEC 500 certification is in progress ahead of the Q4 2026 launch.
- IP68 sealed
- 4,000 mAh battery
- 50 MP camera
- Android 16
- Zone 1 / Zone 21 design target
The market · Mexico
Hazardous-area industry in Mexico
The main operators, industrial areas and sites that the SAMS Mexico market guide covers.
Operators, EPCs and contractors
- Pemex
- The national refining system, Campeche production, pipelines and terminals
- CFE
- Power stations and their fuel handling and storage areas
- Braskem Idesa
- The Etileno XXI polyethylene complex in southern Veracruz
- Alpek and Indelpro
- Polyester and polypropylene production on the Gulf coast
- Cydsa
- Chemicals and underground hydrocarbon storage in Veracruz
- Vopak
- Chemical and petrochemical tank terminals at Altamira and Coatzacoalcos
Industrial areas and sites
- Dos Bocas, Tabasco
- The Olmeca refinery, still ramping up through 2026
- Bay of Campeche
- Ku-Maloob-Zaap, Cantarell and the Ayatsil development
- Ciudad del Carmen
- The onshore base supporting the offshore fleet
- Coatzacoalcos and Minatitlán
- Refining and petrochemicals along the Isthmus corridor
- Altamira, Tamaulipas
- The leading port for petrochemical fluids in Mexico
- Tula, Hidalgo
- Refining and power generation on the central plateau
Field notes · Mexico
More about Mexico that matters for portable equipment
Mexico: industry on the ground
Oil was first refined into kerosene around 1876 near Tampico, and Pemex's Tula refinery in Hidalgo is among its major inland refining sites.
Mexico: rules and approvals
NOM certificates of conformity, issued by bodies such as NYCE and ANCE, allow customs clearance into Mexico, and the Secretaria de Economia oversees NOM enforcement.
Mexico: industry on the ground
The offshore Cantarell field was discovered in 1976, started production in 1979 and peaked in 2004, so ageing offshore infrastructure is a feature of Mexican upstream work.
The term · rugged
What “rugged” means for a smartphone
A rugged phone is built to survive water, dust, drops and rough handling, usually rated by an IP code and a drop specification. Ruggedness is an environmental property: it says nothing about whether a phone may be used where flammable gas or dust is present. That is decided by explosion-protection certification and marking.
The IS-04Z1 combines both: an IP68 sealed rugged build and a design for Zone 1 and Zone 21 (marking target Ex ib IIC T4). The explosion-protection certificates are in progress and none has been issued.
In Mexico. Altamira, Coatzacoalcos, Dos Bocas and a Campeche deck combine high humidity with salt-laden air and long outdoor hours. IP68 sealing and a rugged build address that physical punishment. They do not replace explosion protection, which comes only from the marking after certification, and homologación for the radio is a separate step.
The route · specification
Specifying a rugged smartphone for Mexico
A short checklist for anyone writing or reviewing the specification, with the IS-04Z1 status against each point.
Check on the paper
- Marking
- Equipment group, category, protection concept, gas group and temperature class, matched to the area drawing.
- Certificate and schedule
- A certificate number, issuing body and the schedule of conditions, not a brochure claim.
- Standards edition
- The IEC 60079 or national standard edition the certificate was issued against.
Check for the IS-04Z1
- Marking target
- II 2 G Ex ib IIC T4: a target, not yet a certificate.
- Certificate status
- IECEx, ATEX, UKEX and NEC 500 in progress; none issued.
- Operator approval
- Separate from the certificate and handled with the site operator.
Questions · Mexico
Frequently asked questions
Can we buy a rugged smartphone in Mexico today?
No. Nothing can be bought or taken into a classified area today: certification is in progress and launch is planned for Q4 2026. What is available now is the datasheet, the written certification schedule and evaluation units for safe-area use.
What does a rugged smartphone in Mexico cost?
SAMS has not published a price. Any figure you are offered for an uncertified Ex phone should be treated with caution; written indicative pricing is available for a defined quantity and site.
How rugged is the IS-04Z1?
It is designed to IP68 sealing, with glove-friendly controls. Ruggedness is not explosion protection: that depends on the certificates, which are in progress.
Which sites in Mexico does this cover?
The market guide for Mexico covers Dos Bocas, Tabasco, Bay of Campeche, Ciudad del Carmen, Coatzacoalcos and Minatitlán, among others. Site-level pages are linked below.
Is intrinsically safe the same as explosion proof?
Not exactly. Explosion proof is a broad everyday term; intrinsic safety is one protection concept, which limits energy so ignition cannot occur. Flameproof (Ex d) is a different concept that contains an explosion. The IS-04Z1 is intrinsically safe by design.
Which Mexican body approves telecom equipment now?
Following the 2025 changes, the Comision Reguladora de Telecomunicaciones within the Agencia de Transformacion Digital y Telecomunicaciones issues Certificates of Homologation, replacing the IFT. Check the current procedures with the CRT or an accredited body, as supplier documents may still cite IFT.
What conditions should devices handle on the Gulf of Mexico coast?
Gulf coast and offshore sites typically combine heat, high humidity, salt air and seasonal storms, so check ingress protection, corrosion resistance and operating temperature range. Confirm platform transfer rules, such as helicopter battery restrictions, with the operator before deployment.
Does the IS-04Z1 need homologación in Mexico?
Radio equipment needs homologación separately from hazardous area approval, and that step is in progress alongside the explosion protection programme. No approval has been granted yet. Check with the site and your telecoms team which documents they will require before any device is enrolled.
Related guides
Keep exploring
Other guides for Mexico, other places in Mexico, and the pages behind them.
ATEX and IECEx Mobile Phone Distributor in MexicoSame place, different guide
IECEx Mobile Phone Distributor in MexicoSame place, different guide
Hazardous Area Mobile Phone Supplier in MexicoSame place, different guide
Industrial Mobile Phone Supplier in MexicoSame place, different guide
Explosion-Proof Mobile Phone in MexicoSame place, different guide
Ex-Proof Mobile Phone in MexicoSame place, different guide
Mexico market guideCertification route and regulators
All guides for MexicoEvery route we cover
Certification statusWhat is in progress
Enquiry · Mexico
Ask about the IS-04Z1 for Mexico
Share the site details and quantity. You will get the datasheet and the certification schedule back by email; pricing is indicative only until launch.
Enquiry · Mexico
Launching Q4 2026
Planning for Mexico?
Name the site and the operator and we will send what is available before launch.