
Connect Your Smart Devices
VoicePing SIM cards offer a physical SIM card for IoT devices. It provides low data usage at an affordable cost.

Seamless Network Connectivity
Automatically connects to the AT&T network for reliable nationwide coverage across supported 4G and 5G data networks.
Physical or eSIM options
Most IoT devices still need a physical sim which is what we provide. Optionally also ask for our eSIM package if you plan to use on supported devices.
30-Day Unlimited Data Trial
Test your IoT devices with unlimited 128 kbps data, no contracts or hidden fees. Upgrade anytime to our 365-day plan.
Purchase via Amazon. Note: Data routes via Hong Kong (~400ms latency); not suitable for TikTok or real-time apps.

High-speed data
Need faster bursts of speed or more data for non-text-based IoT use cases?
We offer a 30GB data add-on that you can use throughout the 365 days so you can get those pictures or short videos faster.
Flexible Pricing Plans
No contract. No activation fees. Uses AT&T (U.S. only).
Recommended

1-Year Unlimited
$30.00
Unlimited data at 128 kbps for 1 year. For IoT devices, GPS trackers, sensors, low-data devices.

1-Year + 30GB Full Speed
$69.00
1 year service with 30GB full-speed data. Unlimited data at 128 kbps after 30GB. Best for dashcams, routers and data-heavy IoT use
Getting Connected with VoicePing in Minutes
Effortless Activation for Reliable, Unlimited IoT Connectivity

Step 1: Turn on Data Roaming
Activate your IoT SIM by turning on Data Roaming, this enables seamless connection to supported networks like AT&T with no extra charges.

Step 2: If the APN isn’t set, set it to ‘cmlink’.
Most devices auto-configure. If not, go to Settings > Mobile Network > Access Point Names, tap +, and enter: Name: cmlink APN: cmlink

Step 3: Choose Your Network
Choose AT&T network for best connectivity.
Choose the Right Data SIM for Your Device
Effortless connectivity for your smart devices , perfect for personal or business use!

IoT 128 kbps
Low-data use for trackers, smartwatches, sensors like GPS devices, children's smartwatches

Full Speed Data 30GB
High-speed data for video devices like CCTV, dashcams, video surveillance

ESIM
Smartphones and tablets with occasional Mobile Data usage
Support & FAQs
Reliable answers. Real support. Anytime you need it.
What devices are supported?
Can I upgrade later?
Can I use VoicePing SIM outside the US?
Can I buy the VoicePing SIM card on Amazon?
Why is my connection slower or delayed on some apps?
Can I use this on a CCTV?
How do I check my current plan or data usage?
GPS Tracker Shows “No Data” or “Offline”?
How does SMS configuration work for IoT and GPS devices?
Operating Hours
Monday to Friday, 9:30 am–5:30 pm.
Closed on Public Holidays. 2 Venture Drive, Vision Exchange, #08-05, Singapore 608526.












