You can browse SIM cards on Walmart and look for options that mention compatibility with 2G or GSM devices. Many listings are designed for trackers, smartwatches, or basic phones and note "2G/3G/4G LTE" support in the details.

• Search keywords: Try terms like "2G SIM," "GSM SIM," or "tracker SIM."
• Check the title and bullets: Look for mentions of 2G, GSM, or compatibility with GPS/OBD trackers.
• Match the use case: Data‑only SIMs often suit trackers and cameras; talk & text SIMs fit basic phones.
• Confirm device type: Make sure your device is unlocked and compatible with the listed networks.
• Verify coverage: Availability can vary by location and provider policies, so checking coverage before activating can help.

On Walmart, you’ll find several SIM card types that may list 2G compatibility, depending on the device and coverage in your area.

• Tracker-focused SIMs: Kits marketed for GPS trackers or OBD devices often mention 2G/GSM compatibility and may operate on multiple network types.
• Smartwatch SIMs: These typically support talk, text, and data; check if 2G or GSM is listed for older wearables.
• Data‑only SIMs: Common for security or trail cameras and hotspots; some note 2G/3G/4G LTE coverage for broader device support.
• Talk & text SIMs: Suitable for basic phones; review the specs for 2G/GSM wording and device compatibility.

Because networks and availability change, reviewing each product’s description and coverage notes is a practical step.

Start with the product page details and then match those to your device and location.

• Read the listing: Look for “2G,” “GSM,” or “2G/3G/4G LTE” in titles and bullet points.
• Compatibility notes: Many kits call out supported device types (e.g., trackers, cameras, basic phones) and network technologies.
• Plan type: Confirm whether it’s data‑only or talk & text, based on your device’s needs.
• Device readiness: Ensure your device is unlocked and supports the indicated network bands.
• Coverage check: Coverage and network availability can vary by area. Reviewing the provider’s coverage information and customer Q&A on the product page can help set expectations.

Activation steps can vary by SIM kit and tracker model, but a few common steps tend to help.

• Follow the kit guide: Use the quick‑start instructions included with the SIM for activation and plan selection (often data‑only for trackers).
• Insert the SIM: Power off the tracker, insert the SIM securely, then power it back on.
• APN settings: Some trackers require entering APN details provided with the SIM; follow the instructions carefully.
• Set network mode: If your tracker allows it, select GSM/2G or automatic mode as recommended by the device manual.
• Test and monitor: Place the tracker where it has signal and confirm location updates. If connectivity is inconsistent, reviewing APN settings or contacting the provider’s support may help.

If 2G service is limited in your area, there are a few paths you can consider, depending on your device and how you plan to use it.

• Multi‑network SIMs: Choose a kit that lists 2G/3G/4G LTE support and use it with a device that can utilize newer networks.
• Device compatibility: If your tracker or phone supports only 2G, checking for a compatible SIM that still offers 2G locally may help; otherwise, an updated device that supports 4G LTE could provide broader coverage.
• Data‑only alternatives: For cameras, hotspots, or tablets, consider data‑only SIMs that operate on 4G/5G where available.
• Try and evaluate: Reviewing return windows and product Q&A can help you assess coverage without long commitments.