Does this work for smartwatches ?

This is a data only sim card. It provides excellent cellular connection but it does not provide a phone number. You can use it on a smartwatch as long as you do not need voice calls from the watch.

how to set APN on my security camera for this Spectrum Smart IOT SIM card?

You need to find the IP address for your device that you have go into their admin settings that is where you change your APN then your APN should be changed to the APN that comes on

can i use it on iphone?

The short answer is yes. But you need to check if your iPhone is locked or not. The data sim card is good for any unlocked mobile devices like iPhone, iPad, security cameras etc. How to check if your iPhone is locked or not? By default the iPhone you pay full price for is unlocked. You can check in 2 different ways. The quickest way is to simply try inserting a sim card from different network. If you see a message along the lines of 'the sim card inserted does not appear to be supported ' , then you iPhone is locked. Sometime you can ask the carrier to unlock for you. The 2nd way to check if an iPhone is locked or not is to use the settings app. Follow steps below. A. Open settings >general >about B. Scroll down to fine network provider lock C. If the iPhone is unlocked, it should say there is no sim restrictions. If you see a different status, this means the iPhone is locked. Hope this helps.

Will this work on GSM phones?

This is data only sim card. The sim can give you internet connection but it does not have a phone number associated with it. You can check email , use Facebook, LinkedIn or tiktok. But people cannot call you directly with this sim because it does not have a phone number associated with it.

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Puffin Smart 4G 5G LTE Data Only SIM Card - Reliable Connectivity for Security Cameras, Travel Hotspots and Dashcams - Works on AT&T and T-Mobile Networks

Product ID: 539274858

Details

Brand
Spectrum Smart
Cellular Technology
LTE
Number of Items
1
Service Provider
AT&T and
UPC
197644272914

🌍Works across US, Canada, Mexico & Europe

📶Dual 5G/4G LTE networks

🔄Auto-switches AT&T & T-Mobile for max uptime

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C$573

Duties & taxes included

In stock

Sold byAmazon NicaraguaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📡 Stay connected everywhere—no signal? No problem!

PLUG PLAY ACTIVATION - Get your devices online in minutes with a simple 4-step web app activation and dedicated Louisville-based support.
GLOBAL REACH LOCAL CONTROL - Stay connected across North America and most of Europe with a single SIM card—perfect for travel, remote security, and IoT devices.
SEAMLESS DUAL NETWORK COVERAGE - Experience uninterrupted connectivity by automatically switching between AT&T and T-Mobile 5G/4G LTE networks for 99.2% uptime.
FLEXIBLE NO CONTRACT DATA PLANS - Choose from 1GB to 36GB data-only plans with no activation or cancellation fees—pay only for what you need, when you need it.
UNIVERSAL COMPATIBILITY FORM FACTOR - Works with unlocked 4G/5G devices including security cameras, hotspots, dashcams, and GPS trackers; 3-in-1 SIM fits standard, micro, or nano slots.

The Puffin Smart 4G/5G LTE Data Only SIM Card delivers reliable, contract-free cellular connectivity by intelligently switching between AT&T and T-Mobile networks. Compatible with a wide range of unlocked devices including security cameras, hotspots, and GPS trackers, it offers flexible prepaid data plans and global coverage across the US, Canada, Mexico, and most European countries. With easy activation and lifetime warranty, it’s the ultimate solution for professionals needing dependable internet in remote or no-signal zones.

Specifications

ASIN	B0C9K5VLH7
Best Sellers Rank	#13,742 in Cell Phones & Accessories ( See Top 100 in Cell Phones & Accessories ) #27 in Cell Phone SIM Cards
Brand	Spectrum Smart
Cellular Technology	LTE
Customer Reviews	4.0 4.0 out of 5 stars (768)
Item Weight	3 Grams
Manufacturer	Spectrum Tracking INC.
Number of Items	1
Service Provider	AT&T and T-Mobile
Smart Home Compatibility	Not Smart Home Compatible
UPC	197644272914
Warranty Description	lifetime

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