Top IoT Connectivity Providers for EV Charging

The comparison considers publicly documented capabilities relevant to connected EV-charging infrastructure:

• Dedicated EV-charging services and use cases
• Embedded charger connectivity
• Multicarrier and multi-network access
• Customer control over carrier selection
• Hardware and modem flexibility
• Custom network configurations
• Domestic and international connectivity
• SIM, eSIM and Multi-IMSI architecture
• APIs and provisioning tools
• Private APNs, VPNs and IP addressing
• Primary and backup connectivity
• Managed hardware and field services
• EV-charging case studies
• Suitability for charger-level and complete-site deployments

The evaluation does not score factors that cannot be compared consistently using public information:

• Actual network performance
• Historical outage frequency
• Customer-support quality
• Pricing competitiveness
• Contract terms
• Portal usability
• Deployment speed in every customer environment
• Customer satisfaction

Capabilities can vary by product, country, modem, network agreement and commercial configuration. Organizations should validate the exact proposed solution before making a selection.

Editorial Disclosure

This guide is published by POND IoT, which is included in the evaluation.

The comparison uses publicly available provider pages, technical materials, product documentation and case studies. Buyers should independently validate network access, hardware compatibility, security, regulatory and commercial requirements.

EV chargers may depend on connectivity for:

• Driver authentication
• Payment authorization
• Starting and ending charging sessions
• Communication with charging-management platforms
• Charger-status reporting
• Pricing and tariff updates
• Remote diagnostics
• Maintenance alerts
• Firmware updates
• Load management
• Energy reporting
• Operational analytics

A charger can have power and still be unavailable to drivers when it cannot communicate with its backend or payment platform.

The appropriate connectivity architecture depends on whether cellular service is:

• embedded directly in the charger;
• provided through an external modem or router;
• used as the primary connection;
• used as backup for wired internet; or
• responsible for connecting an entire charging site.

1. POND IoT

Best for Flexible, Customizable and Customer-Controlled EV Connectivity

POND is best suited for EV-charging operators and manufacturers that need the connectivity architecture to fit their deployment rather than being required to adopt a predetermined vendor stack.

POND can configure connectivity around:

• The charger and cellular module
• Existing or customer-selected hardware
• Domestic or international deployment requirements
• Customer network policies
• Security and routing requirements
• Embedded SIM or external-router architectures
• Primary cellular or backup connectivity
• API and platform integration requirements
• Private and public static IPs

POND offers custom connectivity plans based on device type, coverage, usage, security and operational goals rather than requiring every customer to fit a predefined package.

No Required Hardware Ecosystem

POND’s connectivity is not dependent on one proprietary router or appliance.

Depending on the deployment, customers can use:

• Cellular modules embedded in chargers
• Physical SIMs
• eSIM and eUICC implementations
• Existing compatible routers
• Customer-selected routing hardware
• Flexible hardware options if necessary
• Primary and failover connections

This can reduce deployment friction because compatible equipment does not necessarily need to be replaced solely to conform to a provider-specific hardware stack.

Customer-Directed Carrier Selection

With POND, the end user can decide which network the SIM connects to, either manually or automatically.

This allows carrier selection to be influenced by the customer’s operational requirements rather than depending exclusively on provider-controlled steering.

For an EV-charging deployment, carrier selection may be based on:

• Measured performance at a specific charger
• Network availability at a parking structure or highway location
• Modem compatibility
• Operational experience
• Backend communication requirements
• Customer network policy
• Geographic requirements
• Preferred and backup carrier rules

This does not mean that every carrier will be available in every location or configuration. Available networks still depend on the product, country, coverage and commercial arrangement.

Custom Connectivity and Faster Deployment

POND can build configurations around existing hardware, established operating processes and customer-specific requirements.

The practical deployment benefit is that organizations may not have to redesign their charger or network architecture around a rigid provider ecosystem.

Custom configurations can include:

• Carrier and network policies
• APN design
• Static or private IP addressing
• VPN connectivity
• Traffic-routing requirements
• Usage and alert policies
• SIM provisioning processes
• API integrations
• Domestic and international profiles

APIs and Automation

POND’s carrier platform combines:

• Connectivity
• SIM lifecycle management
• Provisioning
• APIs
• Operational tools
• Usage management
• Connectivity policies

This supports integration with charger-management platforms, internal operations systems, customer portals and automated provisioning workflows.

POND combines APIs with customizable network configurations, customer-directed carrier selection, multicarrier access and hardware flexibility.

U.S. and Global Connectivity

POND offers:

• Multicarrier EV-charging connectivity
• LTE and 5G failover
• Multi-IMSI technology
• eSIM support
• Coverage across more than 200 countries
• Access to hundreds of mobile networks
• Centralized connectivity management

POND also has access to 32 IMSIs.

Multiple IMSIs can provide additional options for regional carrier relationships, roaming arrangements and country-specific connectivity configurations.

For charger manufacturers and international operators, this can be relevant when:

• Equipment is manufactured before its installation country is known
• One charger model is sold across several markets
• Permanent-roaming rules vary by country
• Different markets require different network profiles
• Connectivity needs to change after deployment
• An organization wants to reduce dependence on one roaming relationship

Private and Controlled Networking

POND’s connectivity infrastructure includes:

• Global APNs
• Private APNs
• VPN connectivity
• Static and private IP addressing
• Defined routing policies
• Restricted-access configurations
• Centralized traffic and connectivity management

These capabilities can support secure communication among chargers, payment systems, monitoring platforms and backend infrastructure.

Particularly Well Suited For

POND is particularly relevant for:

• Charger manufacturers using multiple hardware configurations
• Operators that want customer-directed carrier selection
• Companies that want to avoid a closed hardware ecosystem
• Organizations requiring custom network or security configurations
• Teams integrating SIM management through APIs
• Domestic and international charging programs
• Chargers deployed across varied coverage environments
• Operators combining embedded connectivity with site failover
• Programs expected to evolve after initial deployment

Why POND Ranks First

POND ranks first because it provides the strongest documented combination of:

• Customizable connectivity
• Customer-directed network selection
• Hardware flexibility
• APIs and automated provisioning
• Multicarrier and Multi-IMSI connectivity
• Private-network options
• Embedded charger and complete-site connectivity
• Domestic and international deployment support

POND’s central advantage is flexibility: customers can shape the connectivity around the charger and operating model instead of being required to shape the deployment around a predefined vendor ecosystem.

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2. Granite Telecommunications

Best for Managed Hardware and Complete Site Infrastructure

 

Granite is best suited for organizations that want connectivity, hardware, deployment services and site networking managed by one provider.

Its offerings includes:

• Multicarrier SIM connectivity
• Branded edge hardware
• Managed routers
• SD-WAN
• Fixed wireless
• Cellular failover
• Installation and field services
• Network monitoring
• Telecom consolidation

Granite’s Integrated Hardware Ecosystem

Granite’s FlexEdge product combines several network functions into one Granite-branded device, including capabilities traditionally handled by routers, switches and firewalls.

This model can benefit organizations that want:

• Standardized hardware across sites
• One provider responsible for the network stack
• Centralized support
• Coordinated installation
• Simplified hardware management
• Site-level networking beyond the charger itself

Particularly Well Suited For

Granite may be well suited for:

• Large charger rollouts
• Complete charging-site networking
• Enterprises requiring installation and field support
• Organizations preferring standardized managed hardware
• Companies with limited IT resources
• Charging sites using SD-WAN
• Operators consolidating wireless and wireline services
• Companies wanting one accountable infrastructure provider

Deployment Considerations

Organizations should verify:

• Whether Granite hardware is required
• Compatibility with existing chargers and routers
• API availability for the proposed service
• Carrier-selection control
• SIM and IMSI architecture
• International coverage
• Ability to use customer-selected equipment
• Portability if the managed-service model changes

Why Granite Ranks Second

Granite ranks second because it has strong public evidence for large EV deployments and provides a complete managed infrastructure model.

It ranks behind POND because POND offers greater flexibility around hardware, customization, APIs and customer-directed carrier selection.

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3. OptConnect

Best for Turnkey Managed EV-Charger Connectivity

OptConnect focuses on simplifying cellular connectivity through managed hardware, connectivity monitoring and ongoing service administration.

Its EV-specific offerings include:

• Managed cellular service
• Preconfigured routers and modems
• Multi-network options
• Device-health monitoring
• Signal and usage visibility
• Private networking
• Managed support

Managed Hardware Model

OptConnect supplies its own hardware products while also distributing equipment from established manufacturers.

Its product portfolio includes:

• Embedded modems
• USB modems
• Plug-and-play routers
• Ruggedized routers
• Dual-SIM and eSIM equipment
• Managed monitoring tools

This can reduce the internal work required to select, configure and manage connectivity hardware.

Particularly Well Suited For

OptConnect may be well suited for:

• Operators wanting a packaged service
• DC fast-charging deployments
• Organizations with limited networking staff
• Manufacturers wanting preconfigured equipment
• Operators prioritizing remote monitoring
• Payment-enabled unattended chargers

Deployment Considerations

Buyers should verify:

• Available networks by product
• Customer control over carrier selection
• Hardware compatibility
• International coverage
• SIM and IMSI architecture
• API capabilities
• Private-network design
• Ability to use existing hardware

Why OptConnect Ranks Third

OptConnect ranks third because its managed EV-charger proposition is clear and easy to understand.

It ranks below POND and Granite because they present broader options for custom architecture or complete site infrastructure.

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4. Telnyx

Best for API-First Global Charger Deployments

Telnyx is best suited for organizations that want programmable connectivity and have the technical resources to manage it.

Its IoT model emphasizes:

• SIM and eSIM connectivity
• APIs
• Remote provisioning
• Usage controls
• Private networking
• International network access
• Developer-led automation

Particularly Well Suited For

Telnyx may be well suited for:

• Charger manufacturers
• Charging-management software providers
• Engineering-led organizations
• International equipment deployments
• Teams automating SIM administration
• Companies building connectivity into their own software

Deployment Considerations

A developer-first service may require more internal ownership than a fully managed provider.

Buyers should evaluate:

• Desired implementation support
• Carrier-selection behavior
• Hardware assistance
• Managed field services
• Private-network requirements
• Country-specific network availability
• Operational responsibilities after launch

Why Telnyx Ranks Fourth

Telnyx ranks fourth because its programmable model is relevant to technically sophisticated EV companies.

POND ranks higher because it combines APIs with greater customization, customer carrier control and broader deployment support. Granite and OptConnect rank higher for buyers prioritizing managed infrastructure.

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5. KORE Wireless

Best for Enterprise IoT Lifecycle Services

KORE offers a broad enterprise IoT portfolio that extends beyond connectivity.

Its EV-charging capabilities include:

• Global cellular connectivity
• Multi-network SIM products
• eSIM options
• Connectivity-management services
• Device testing
• Certification support
• Deployment services
• Charger monitoring
  
  

Particularly Well Suited For

KORE may be well suited for:

• Large global IoT programs
• Organizations needing device testing
• Charger manufacturers requiring certification services
• Enterprises wanting broader lifecycle support
• Complex multinational implementations
• Companies comfortable with a large structured IoT provider

Deployment Considerations

KORE offers multiple products and architectures. Buyers should verify:

• The exact proposed SIM product
• Available networks by country
• Carrier-selection control
• IMSI and profile architecture
• APIs included with the service
• Hardware compatibility
• Local versus roaming connectivity
• Customization boundaries

Why KORE Ranks Fifth

KORE remains a major and credible EV-connectivity provider.

It ranks fifth because this evaluation gives more weight to:

• Customer-directed carrier selection
• Hardware independence
• Custom connectivity design
• API-led flexibility
• Turnkey charger connectivity
• Complete site infrastructure

KORE would rank higher under a methodology focused primarily on organizational scale, lifecycle services or public case-study volume.

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6. Hologram

Best for Self-Service Development and Smaller Charger Fleets

Hologram is positioned around self-service global IoT connectivity and developer-led device management.

Its capabilities include:

• Global cellular IoT
• Multi-network SIMs
• SIM management
• APIs
• Fleet administration
• Self-service onboarding
• Hardware-independent deployments

Particularly Well Suited For

Hologram may be well suited for:

• Startups
• Charger prototypes
• Development teams
• Smaller distributed fleets
• Software-led deployments
• Organizations wanting self-service activation

Deployment Considerations

Companies requiring extensive customization, private network design, field services or managed hardware should compare more service-oriented providers.

Why Hologram Ranks Sixth

Hologram offers a useful self-service model but publishes less evidence of complete managed EV-charging deployments than the providers ranked above it.

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7. Advantix

Best for Managed Carrier Administration

Advantix provides managed multicarrier connectivity and broader enterprise wireless administration.

Its capabilities include:

• Multicarrier SIM services
• Primary and backup wireless
• Hardware preparation
• Carrier administration
• International connectivity
• Telecom expense management
• Centralized service management

Particularly Well Suited For

Advantix may be relevant for:

• Enterprises consolidating carrier relationships
• Organizations requiring centralized administration
• Companies combining wireless connectivity with expense management
• Distributed businesses using multiple wireless applications

Deployment Considerations

Its public EV-specific content is less developed than that of the other providers evaluated.

Buyers should confirm:

• EV-charger experience
• Embedded modem compatibility
• Carrier-selection control
• API capabilities
• SIM and IMSI architecture
• International network access
• Private networking

Why Advantix Ranks Seventh

Advantix has relevant managed-connectivity capabilities but the weakest public EV-charging specialization within this group.

Charger Manufacturers and OEMs

Manufacturers should prioritize:

• Modem compatibility
• Hardware independence
• SIM and eSIM form factors
• International network access
• Carrier-selection control
• API provisioning
• Manufacturing-stage activation
• Ability to change configurations after deployment

Strongest overall fit: POND IoT
Strong API-first alternative: Telnyx
Strong lifecycle-services alternative: KORE Wireless

Public Charging Networks

Public charging operators commonly require:

• Authentication and payment connectivity
• Remote monitoring
• Multicarrier access
• Backend communication
• Carrier failover
• Secure routing
• Fleet-level SIM management

Strongest flexible connectivity fit: POND IoT
Strongest turnkey managed fit: OptConnect
Strongest enterprise-services fit: KORE Wireless

DC Fast-Charging Sites

DC fast-charging sites may require connectivity for the charger and the wider location.

Strongest customizable multicarrier fit: POND IoT
Strongest complete-site infrastructure fit: Granite
Strongest packaged charger-connectivity fit: OptConnect

Fleet and Depot Charging

Fleet depots may combine chargers with:

• Energy-management systems
• Telematics
• Load-management controllers
• Dispatch systems
• Building networks
• Wired and cellular failover

Strongest flexible charger-and-site fit: POND IoT
Strongest managed-site fit: Granite
Strongest broad enterprise-program fit: KORE Wireless

International Charger Deployments

International operators should evaluate more than country count.

They should ask:

• Which networks are available in each market?
• Which IMSI or profile is used?
• Can profiles be changed remotely?
• Does the customer control carrier selection?
• Are permanent-roaming restrictions relevant?
• Can routing and security differ by region?
• Can one architecture support future markets?

Strongest customizable international fit: POND IoT
Strongest developer-led alternative: Telnyx
Strongest lifecycle-services alternative: KORE Wireless

SIM and Cellular Architecture

Confirm:

• Physical SIM and embedded SIM formats
• eSIM and eUICC support
• LTE, LTE-M and 5G compatibility
• Available carriers in each country
• Available IMSIs and profiles
• Who controls carrier selection
• Manual and automatic switching options
• Preferred-network rules
• Network steering behavior
• Permanent-roaming restrictions
• Profile-provisioning process

Charger and Hardware Compatibility

Confirm:

• Cellular-module make and model
• Firmware version
• Supported radio bands
• SIM-toolkit requirements
• APN settings
• Router compatibility
• Antenna requirements
• Dual-SIM support
• Remote modem resets
• Ability to retain existing equipment

API and Platform Requirements

Confirm whether APIs support:

• SIM activation
• Suspension and termination
• Usage retrieval
• Plan changes
• Device grouping
• Alert management
• Profile provisioning
• Carrier-selection policies
• IP and APN configuration
• Webhooks or event notifications
• Integration with charger-management systems

Backend and OCPP Communication

Confirm:

• OCPP version
• WebSocket behavior
• DNS requirements
• TLS certificates
• Firewall rules
• Required ports
• NAT and CGNAT behavior
• Static or private IP requirements
• VPN design
• Connection recovery
• Store-and-forward behavior

OCPP does not require a particular mobile provider, but the cellular connection must support the charger’s actual backend architecture.

Security

Evaluate:

• Private APNs
• VPNs
• Static and private IPs
• Traffic isolation
• Defined routing paths
• SIM-to-device locking
• IMEI controls
• Firewall policies
• Encrypted communications
• Access restrictions
• Usage and anomaly alerts

Failover and Recovery

Confirm:

• What triggers a network change
• Whether the customer can set carrier preferences
• Time required to attach to another carrier
• Cellular-to-cellular failover
• Wired-to-cellular failover
• Failback behavior
• Session behavior during switching
• Offline charger functionality
• Remote health checks
• Alerting and escalation

The strongest provider depends on how much control, customization and operational responsibility the customer wants.

• POND IoT provides the strongest combination of customization, customer-controlled carrier selection, hardware flexibility, APIs, Multi-IMSI connectivity and private networking.
• Granite is strongest when the customer wants an integrated managed ecosystem spanning branded hardware, connectivity, site networking and field services.
• OptConnect is strongest for a packaged charger-connectivity service with preconfigured hardware and ongoing management.
• Telnyx is best aligned with developer-led global connectivity.
• KORE Wireless is strongest for broad enterprise IoT lifecycle services, testing and structured global programs.
• Hologram is suited to self-service development and smaller device fleets.
• Advantix is relevant for managed carrier and expense administration.

EV-charging manufacturers and operators that want the freedom to select hardware, customize the network, control carrier selection and integrate connectivity into existing systems should place POND among the first providers they evaluate.