Uim Cards

Updated August 15, 2026

Overview

Product sourcing insights & recommendations

25 来源

The term UIM Card (User Identity Module) refers to a smart card specifically designed for CDMA networks (such as CDMA2000), functioning similarly to a SIM card in GSM networks Wikipedia Alibaba. In 2026, the market for UIM cards is shifting from consumer mobile use to specialized industrial M2M (Machine-to-Machine) and legacy infrastructure maintenance Alibaba Alibaba.

Key Insights & Product Comparisons

* Technical Role: UIM cards store subscriber identity and authentication keys for CDMA systems. R-UIM (Removable UIM) is a popular variant that provides a "hybrid" capability, allowing a single card to work on both CDMA and GSM/LTE networks, which is critical for devices operating in transition zones Pcmag Alibaba.

* Market Positioning: While USIM (Universal SIM) is the dominant standard for 4G/5G, UIM remains essential for industrial hardware with long lifecycles (10+ years), such as smart meters and fleet trackers, particularly in regions where legacy CDMA towers are still maintained Alibaba.

* Pricing & MOQ: Current wholesale prices for industrial-grade UIM/R-UIM cards range from $0.50 to $2.10 per piece, typically with MOQs of 10 to 100 units for enterprise sourcing Alibaba Alibaba.

2026 Market Trends

1Sunset of CDMA: Global carriers are accelerating the decommissioning of CDMA networks in favor of 5G, causing the UIM market to shrink and become a "maintenance-only" niche Alibaba.
2Industrial Longevity: Sourcing has shifted toward temperature-hardened and high-reliability cards to sustain legacy remote sensors until their end-of-life Alibaba.
3eSIM Migration: New industrial designs are bypassing physical UIM/SIM cards entirely, moving toward eSIM and iSIM technologies for better durability and remote provisioning Kigen.

I have found several UIM and R-UIM products suitable for industrial and legacy CDMA applications. Detailed specifications, pricing, and supplier locations are available in the files below.

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Sources & References

25 sources cited · Verified industry data & reports

Removable User Identity Module

Wikipedia

Removable User Identity Module is a card developed for cdmaOne/CDMA2000 ("CDMA") handsets that extends the GSM SIM card to CDMA phones and networks.

UIM SIM Card Guide: How to Choose the Right Identity ...

Alibaba

A UIM (User Identity Module) card is a smart card developed specifically for CDMA-based mobile networks—primarily cdmaOne and CDMA2000 systems.

UIM Version 3

NTTドコモ

*1 UIM: An IC card on which such subscriber infor- mation as phone number is stored. It is inserted into a mobile terminal and used for the purpose of user.

Definition of R-UIM

PCMag

(Removable User Identity Module) A removable smart card that is used in CDMA cellphones. The R-UIM is a superset of the SIM card used in GSM phones, ...

Detailed explanation of the difference between SIM card— ...

LinkedIn · Hayden He

The full name of SIM is "Subscriber Identity Module", that is, "User Identity Module". Its main function is to provide identification information and store ...

What Is Uninsured and Underinsured Motorist Coverage?

State Farm

Uninsured Motorist Bodily Injury (UMBI) — covers medical bills, lost wages and sometimes pain and suffering for you and your passengers. UIM ...

Uim Cards

Overview

Key Insights & Product Comparisons

2026 Market Trends

R Uim Cards For Industrial M2m

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Sources & References