ATM Connectivity & SIMs for ATMs | Multi-Carrier SIM

Q: What is the best SIM for ATM machines?

There isn’t a single best option. It mostly comes down to how stable the network is at the location. In many cases, operators move away from single-carrier SIMs and use ones that can switch across networks, simply to avoid outages.

Why ATM Connectivity Fails

ATMs rely on a constant connection to process transactions. When that connection drops, the machine stops working. In many cases, the issue is not the device itself, but the way connectivity is set up.

Connectivity problems most often occur when:

• A single-carrier network experiences outages or weak signal
• Wired internet becomes unstable or unavailable
• ATMs are deployed in remote or low-coverage areas
• Network congestion affects high-traffic locations
• Backup connectivity is not in place

Even short disruptions can lead to failed transactions, lost revenue, and unnecessary service calls.

How POND Keeps ATMs Online

POND IoT uses multi-carrier SIMs, multi-network connectivity, and automatic failover to keep ATMs online when primary networks drop.

Multi-Carrier SIMs for ATMs

Automatically switches across available networks to maintain ATM connectivity and reduce outages caused by carrier issues or signal limitations.

5G/LTE over VPN Connection

Transmits data over a secure, encrypted connection to support stable and protected transaction processing.

Internet Backup with Automatic Failover

Switches to LTE or 5G when the primary connection is interrupted, allowing transactions to continue without disruption.

Plug-and-Play Deployment

SIM cards can be installed and activated quickly, allowing ATMs to be connected with minimal setup.

ATM Connectivity

SIM for ATMs

Compliance

Failover & Backup

How ATM Connectivity Works

ATMs rely on a constant connection to communicate with processing systems. Each transaction must be authorized in real time, whether through banking networks, payment gateways, or blockchain-based systems used by crypto ATMs

POND IoT enables this connection using multi-carrier SIMs, allowing ATMs to operate across cellular networks without relying on fixed-line internet.

Our solution enables you to:

Process transactions without interruption
Maintain real-time communication with processing systems
Reduce service calls by monitoring SIM connectivity and network performance in real time
Keep reporting and settlement on schedule
Protect sensitive data with secure connectivity

VIEW ATM USE CASE

Diagram showing ATM connectivity flow: POND IoT SIM → ATM → Multi-carrier network → 5G/LTE over VPN → Processing gateway.

Why Multi-Carrier Connectivity Is Critical for ATMs

ATMs rely on continuous connectivity to process transactions. Multi-carrier SIMs for ATM deployments, using Multi-IMSI technology, allow machines to switch across available networks when connectivity issues occur.

Key advantages include:

Continuous connectivity - Automatically switches across available networks to maintain communication with processing systems.
Reduced downtime - Helps prevent service interruptions caused by carrier outages or unstable connections.
Consistent coverage - Supports reliable operation across different locations and network conditions.

This makes multi-carrier SIMs a reliable choice for ATM connectivity in both urban and remote locations.

Connectivity That Supports Compliance

ATM operators must meet strict regulatory and security requirements across both traditional and crypto ATM deployments. Reliable SIM-based connectivity supports secure data transmission and real-time reporting.

please generate an image of a futuristic ATM with PCI DSS hologram overlaying the ATM staying in the light banks hall the colours should be bright with light background

ATM Requirements

PCI DSS compliance - Supports secure card transactions and protects customer data in line with industry standards.
Real-time reporting - Enables continuous transmission of transaction and security data for monitoring and oversight.
Business protection - Helps reduce the risk of fines and supports operational transparency and customer trust.

Bitcoin ATM Requirements

KYC and AML compliance
Supports identity verification and transaction monitoring in line with regulatory requirements.
Real-time reporting
Ensures accurate transaction data is transmitted for audit and compliance purposes.
Business protection
Helps reduce regulatory risk and supports secure handling of transaction data.

Automatic Failover for ATM Connectivity

Even short connectivity disruptions can interrupt transactions and take ATMs offline. In high-traffic or remote locations, this can lead to failed withdrawals, lost revenue, and unnecessary service calls.

When combined with multi-carrier SIMs, failover works across multiple networks instead of relying on a single provider.

Automatic failover helps prevent this by maintaining connectivity when the primary network becomes unavailable.

Key benefits include:

Immediate backup connectivity
Switches to LTE or 5G when the primary connection is interrupted, allowing transactions to continue.
No manual intervention required
Failover happens automatically without the need for on-site troubleshooting or reconfiguration.
Reduced service interruptions
Helps keep ATMs operational during network outages.

VIEW OUR INTERNET BACKUP SOLUTION

Bar chart showing ATM downtime costs in financial services: $9k per minute, $300k per hour, $152M annually

Multi-Carrier SIM vs Single-Carrier SIM for ATMs

Reliable ATM connectivity depends on the type of SIM used. While single-carrier SIMs rely on one network, multi-carrier SIMs can switch across available networks when conditions change.

FEATURE	SINGLE-CARRIER SIM	MULTI-CARRIER SIM
Network access	One network	Multiple networks
Downtime risk	Higher	Lower
Coverage	Limited	Broad
Reliability	Depends on one carrier	Maintains connectivity across networks
Deployment flexibility	Location-dependent	Suitable for multiple environments

ATMs rely on SIM cards to maintain real-time communication with banking systems. Choosing the right SIM for ATM deployments directly impacts uptime, coverage, and overall reliability, especially in locations where network conditions vary.

ATM Connectivity Plans

Choose a SIM-based connectivity plan for your ATM deployment, whether you’re operating a single machine or managing a network across multiple locations.

Essential Plan	Core Plan	Pro Plan
$22.50/mo	$20/mo	$25/mo
Unlimited Data*	Unlimited Data*	Unlimited Data* Static IP Included
Includes Teltonika RUT241	Includes Peplink Max Adapter	Includes Peplink BR1 Core
Includes Teltonika's RMS**	Includes InControl 2**	Includes InControl 2**
Upfront Warranty Replacement	Upfront Warranty Replacement	Upfront Warranty Replacement
3-Year Contract Required	3-Year Contract Required	3-Year Contract Required

* Includes 3GB of high-speed data, then throttled to 128 Kbps

** For the duration of the contract

Need a different setup? We’ll tailor a plan to your ATM deployment.

Secure Connectivity for ATM Transactions

ATMs rely on secure connectivity to process transactions and protect sensitive data. POND IoT supports this through secure SIM-based connectivity, encrypted communication, and stable network access.

Encrypted Data Transmission

VPN-secured traffic
Data is transmitted through encrypted connections to help protect against interception.
Protected transactions
Supports secure handling of cardholder and transaction data in line with industry standards.

Static IP Support

Consistent addressing
Each ATM can be assigned a fixed IP address for easier identification and monitoring.
Secure remote access
Enables direct access to devices without complex workarounds.
System compatibility
Works with existing VPNs, firewalls, and banking systems.

ATM Network Management and Scalability

Remote Monitoring

Monitor ATM activity and performance in real time without on-site visits, with full visibility into SIM connectivity and network performance. .

Track transaction activity and device status
Detect issues early
Reduce service calls

Scalable Deployment

Expand your ATM network across locations without relying on fixed infrastructure.

Deploy ATMs in new locations quickly
Support both urban and remote sites
Scale from single machines to large networks

Frequently Asked Questions

What SIM card is used in ATM machines?

Most ATMs rely on cellular SIM cards to stay connected to the banking network. In many deployments, operators use multi-carrier SIMs for ATMs to avoid dependence on a single provider.

What is the best SIM for ATM machines?

There isn’t a single “best” option. It mostly comes down to how stable the network is at the location. In many cases, operators move away from single-carrier SIMs and use ones that can switch across networks, simply to avoid outages.

Do ATMs use cellular connectivity?

Yes. Especially outside bank branches. Cellular is often the simplest way to keep a machine online without dealing with wired installations.

What happens if an ATM loses connection?

Transactions stop. The ATM can’t verify anything, so it won’t process withdrawals or requests. In some cases, it just sits idle until the connection comes back.

Can ATMs work without internet?

No, they can’t. Every action requires a real-time check with a bank or processor. Without that connection, nothing goes through.

Do ATMs need a static IP address?

Not always. Some setups require it, especially where access rules are strict. In other cases, it’s optional. It really comes down to how the network is configured.

ATM Connectivity Solutions