RedEx
RedEx’s 15-day Asia plan covers 18 regions including Singapore, Japan, South Korea, and Thailand, providing a total of 20GB or 30GB of 5G high-speed data.
This solution utilizes LBO (Local Breakout) technology to keep cross-border roaming latency under 45ms, connecting to Tier-1 carrier networks such as Softbank and Singtel.
Prices start at $29.90, supporting full hotspot sharing with no daily data limits.
The QR code is delivered via email within 60 seconds of payment, meeting the data throughput needs of high-frequency cross-regional mobile use.
Product Functional Specifications
Network Access Technology: Uses LBO technology to achieve local data breakout, avoiding the high network latency caused by routing back to the home location.
Carrier Coverage: Automatically connects to the 5G networks of Tier-1 carriers like Softbank (Japan), SKT (South Korea), and Singtel (Singapore).
Hotspot Sharing: Allows users to share all data within the 15-day plan via hotspot to other devices such as computers or tablets.
Data Management Logic: No daily usage caps; users can freely allocate the total 20GB or 30GB of data within the validity period.
Technical Compatibility: Supports most eSIM-enabled iPhone, Samsung, and Google Pixel series models globally.
Activation Delivery System: The system instantly sends a QR code containing SM-DP+ information to the user’s registered email after order completion.
Network Switching Efficiency: When crossing borders into a new carrier’s coverage area, automatic network searching and connection is typically completed within 120 seconds.
Plan Pricing Details
Basic Plan: A 20GB high-speed data plan valid for 15 days is priced at $29.90.
High-Capacity Plan: A 30GB high-speed data plan valid for 15 days is priced at $38.50.
Cost per Unit: Based on the 20GB plan, the actual cost per GB of high-speed data is approximately $1.49.
Average Daily Budget: The basic plan costs an average of $1.99 per day for communication during a 15-day trip.
Target Users
Cross-border Business Professionals: Professionals who need to travel frequently between Asian financial hubs like Tokyo, Singapore, and Seoul within 15 days.
Remote Workers: Digital nomads who require high uplink bandwidth for 1080P HD video conferencing.
Heavy Social Media Creators: Bloggers who need to upload more than 3GB of video material daily to international short-video platforms.
Multi-country Travelers: Travelers whose single trip covers more than 3 Asian countries and who seek a solution that doesn’t require manual setting changes.
Usage Parameter Tips
Data Statistics Time Zone: The plan’s validity and data settlement follow a 24-hour countdown based on the UTC+8 time zone.
Signal Band Support: Hardware must support mainstream Asian 5G bands, including n1, n3, n28, n77, and n78.
Data Inquiry Method: Users can view consumed data and remaining days in real-time through a unique link included in the email.
IIJmio
IIJmio provides roaming plans for 15-day Asia trips with Japan as the primary destination, accessing the NTT Docomo network.
This eSIM supports 5G NSA, with peak downlink rates reaching 780Mbps and average latency maintained between 30ms to 50ms.
Available in 10GB and 20GB data specifications, with high data priority within Japan.
The plan starts at approximately $18.50, supporting VoLTE and Japanese native IP access.
ICCID information is delivered via email within 5 minutes of payment, making it suitable for Asian travel where Japan is the first stop or main stay.
Product Functional Specifications
Network Infrastructure: Utilizes NTT Docomo and KDDI base station resources to ensure 99% geographical coverage within Japan.
Technical Transmission Standards: Supports 5G NSA and 4G LTE Cat.18, providing over 50MB per second download throughput for streaming applications.
IP Address Routing: Provides a native Japanese IP address, allowing users to use local streaming and gaming services with geographical restrictions.
Multi-country Roaming Logic: Automatically switches to local Tier-1 carriers in regions like Singapore, South Korea, and Taiwan via high-speed channels.
Device Compatibility: Adapted for mainstream eSIM phones released after 2020, including the iPhone 12 series and all subsequent models.
Data Scheduling Priority: In densely populated areas like Shinjuku or Shibuya, this plan has a higher resource allocation level within the Docomo network.
Plan Pricing Details
Standard Data Plan: A 10GB data package valid for 15 days is priced at approximately 2,800 JPY, roughly $18.50.
High-Capacity Plan: A 20GB high-speed data package valid for 15 days is priced at approximately 4,500 JPY, roughly $29.80.
Cost per Unit: Under the 20GB plan, the actual cost per 1GB of high-speed data is approximately $1.49.
Data Top-up Policy: Users can purchase add-on packs at 500 JPY per GB through the personal console after data is exhausted.
Target Users
Deep Travelers to Japan: Tourists spending most of their 15-day trip in Japan with plans for short trips to surrounding areas.
Japanese App Users: Professionals who need low-latency connections to Tokyo servers for remote work or using local social software.
Cost-Sensitive Users: Cross-border travelers looking for a balance between network quality in Japan and multi-country roaming expenses.
Single-Device Users: Independent travelers who prioritize phone battery life and internal connection quality over large-scale hotspot sharing.
Usage Parameter Tips
Validity Calculation: The 15-day timer is triggered when the eSIM profile is downloaded and successfully connects to the first mobile base station.
APN Configuration: iOS systems usually load the iijmio.jp profile automatically; Android users can use a one-click installation tool.
Speed Limit Protection: After the 10GB or 20GB data is exhausted, the connection speed will drop to 200kbps until the end of the 15-day cycle.
Data Monitoring Tool: Users can log into the member area to view the percentage of data used and remaining validity days in real-time.
KT Roaming
The KT Roaming 15-day Asia plan is provided directly by South Korea’s Tier-1 carrier, focusing on high-speed connections in East Asia.
Accesses the 5G SA network within South Korea, with peak downlink rates exceeding 1.2Gbps and average latency below 20ms.
The plan offers tiered data from 15GB to 50GB, supporting VoLTE HD calls and native South Korean IPs.
Roaming covers 12 major regions including Singapore, Japan, and Vietnam, with a starting price of about $35.
This solution integrates a no-real-name activation process, delivering the QR code immediately after payment;
it is the choice for users seeking ultra-low latency and ultra-high bandwidth in 2026.
Product Functional Specifications
Network Infrastructure: Leverages KT’s native 5G base station resources in South Korea and partners with Tier-1 carriers across Asia to ensure signal stability.
Speed Performance: Supports 5G SA/NSA architecture; measured downlink rates in South Korea can reach 1Gbps, while roaming regions maintain over 200Mbps.
Native IP Advantage: Assigns a native South Korean IP address, effectively reducing latency when accessing local streaming or game servers that require geographic authentication.
Latency Control: Maintains response speeds within 25ms in the East Asia region, meeting the needs for 4K video uploads and real-time voice communication.
Hotspot Sharing: Allows users to connect multiple devices within the total data limit, without additional shared bandwidth restrictions.
Delivery Efficiency: The automated system sends the email containing activation information to the user’s account within 30 seconds of transaction completion.
Plan Pricing Details
Standard Plan: A 20GB 5G high-speed data plan valid for 15 days has a market retail price of approximately $34.
High-Capacity Plan: For heavy data users, a 50GB option for 15 days is available, priced at around $62.
Daily Spending: Based on the 20GB plan, the average daily communication cost during a 15-day trip is approximately $2.26.
Target Users
High Bandwidth Demanders: Creators who need to move between multiple Asian cities and upload large 8K video files or perform live streams.
Low Latency Gamers: Mobile gamers who require stable connections to East Asian game servers during their journey and have high requirements for packet loss rates.
Business Professionals: Corporate travelers who need secure, high-speed access to South Korean company internal VPNs or cloud collaboration systems.
Multi-country Travelers: Travelers whose itineraries cover South Korea and surrounding countries and who have clear requirements for network priority and signal strength.
Usage Parameter Tips
Billing Cycle Description: The 15-day validity is calculated as 360 hours, starting from the moment the eSIM profile first successfully registers on the network.
Activation Time Limit: Users must complete the download and activation of the eSIM profile within 90 days of purchase.
Data Inquiry Method: Users can monitor data consumption progress and remaining duration in real-time by dialing specific USSD codes or visiting the KT Roaming official website.
dtac
dtac Go Inter eSIM provides data plans for 15-day Asia trips covering 23 countries, including Singapore, South Korea, and Australia.
The plan includes 10GB of 5G high-speed data, with speeds limited to 128kbps thereafter.
The access point is based on Thailand servers, with roaming latency maintained between 60ms to 90ms.
The starting price is set at $11.50, supporting full hotspot sharing and receiving international SMS.
The system supports QR code scanning for automatic configuration, making it a low-cost choice for cross-border communication in Southeast Asia in 2026.
Product Functional Specifications
Regional Coverage: Provides roaming services in 23 countries and regions across Asia and Oceania, covering destinations such as Singapore, Malaysia, Australia, Japan, and Qatar.
Network Access Standard: Supports 5G NSA networks, providing an average downlink bandwidth of 120Mbps in covered urban areas.
Roaming Connection Mechanism: Relies on dtac’s global agreements to automatically connect to the mobile operator network with the strongest local signal, such as Optus in Singapore or Softbank in Japan.
Additional Communication Features: Assigned a virtual Thai phone number starting with +66, allowing users to receive verification SMS from global banks or various apps for free.
Hardware Compatibility: Compatible with mainstream eSIM smartphones released after 2020, including the iPhone 11 and all subsequent models.
Installation and Delivery Process: Users receive an email containing the SM-DP+ address and activation code within 60 seconds of completing online payment.
Fair Usage Policy: After the 10GB full-speed data is consumed, the system will automatically adjust the connection rate to 128kbps until the end of the 15-day validity period.
Plan Pricing Details
Basic Pricing: A 10GB full-speed data package valid for 15 days is priced at 399 THB, roughly $11.50.
Cost per Unit: Under the 10GB plan, the cost per 1GB of high-speed data is approximately $1.15.
Daily Budget Reference: The average daily communication expenditure during a 15-day trip is about $0.77, suitable for users controlling travel budgets.
Target Users
Low-Cost Travelers: Tourists looking for the cheapest data plan for 15-day multi-country travel who are satisfied with a 10GB data capacity.
Broad Regional Travelers: Travelers whose itineraries cover both Southeast Asia and Oceania (e.g., Singapore, Malaysia, Thailand plus Australia) and need a unified eSIM solution.
Social Account Users: People who need to use a Thai phone number to receive SMS for specific software registration or identity verification.
Basic Data Users: Travelers whose daily data demand is within 1GB, mainly used for map positioning, text communication on social apps, and web queries.
Usage Parameter Tips
Validity Trigger Mechanism: The plan starts counting 360 hours from the moment the phone first successfully registers and generates the first byte of mobile data in a supported country/region.
Data Status Inquiry: Users can dial the free code *101*7# to view high-speed data consumption and remaining days in real-time.
APN Auto-configuration: Most iOS devices will automatically load the required APN settings after scanning the QR code; Android users may need to manually enable the roaming switch.
Time Zone Settlement Rules: Data consumption and validity settlement are unified according to the Thailand local time zone (UTC+7).
Singtel Passport eSIM
Singtel Passport eSIM offers 15GB to 100GB of 5G data for 15-day Asia trips, supporting 5G SA architecture with peak downlink rates of 1.1Gbps.
Covers 18 countries including Singapore, Malaysia, and Australia, with roaming latency stable within 40ms.
Prices start at approximately $15, featuring a native Singapore IP and VoLTE capabilities.
This solution routes through Singtel’s internal gateway exit, ensuring a 99.9% connection success rate in high-concurrency environments, meeting the internet needs of business and heavy data users in 2026.
Product Functional Specifications
Network Architecture Standard: Supports both 5G SA and NSA access, providing a stable average download rate of over 150Mbps in city center areas.
Global Carrier Cooperation: Automatically connects to Tier-1 carriers such as Singtel in Singapore and Optus in Australia, ensuring seamless signal handover in border areas.
IP Routing Technology: Traffic breaks out locally via Singapore servers, providing a native IP to support barrier-free access to geo-restricted financial applications.
Talk and SMS Capability: Includes a certain amount of international calling minutes and supports free reception of verification SMS from around the world.
Device Connection Sharing: Allows users to perform full-speed hotspot sharing within the total plan amount, without extra bandwidth limits on the number of shared devices.
Secure Transmission Encryption: Uses GSMA-certified encryption protocols to ensure the privacy of data transmission in public base station environments.
Instant Activation Mechanism: After the user completes identity verification within the app, the system delivers the activation profile via email or app push within 60 seconds.
Plan Pricing Details
Entry-Level Plan: A 15GB 5G full-speed data package valid for 15 days is priced at 20 SGD, roughly $15.
High-Capacity Plan: A 50GB 5G full-speed data package valid for 15 days is priced at 40 SGD, roughly $30.
Cost per Unit: Under the 50GB plan, the expenditure per 1GB of high-speed data is approximately $0.6.
Recharge Flexibility: Once data is exhausted, users can purchase top-up packs at 2 SGD per GB anytime within the official app.
Target Users
Cross-border Business Travelers: Professionals who need frequent encrypted video calls and access to corporate internal networks in major Asian financial districts.
High-Traffic Data Users: Travelers who need to download large files or stream 4K video during a 15-day journey.
Singapore App Users: People who need a stable connection to Singapore local servers to use specific payment or social tools.
Multi-device Collaborative Workers: Digital nomads who need to share phone data with laptops and tablet devices simultaneously.
Usage Parameter Tips
Validity Settlement Rules: The 15-day usage period is calculated on a 24-hour basis from the moment the eSIM successfully connects to the first mobile network.
Real-time Data Statistics: Users can log into the official application to view data consumption records accurate to the MB and remaining duration.
Automatic Access Settings: iOS and Android devices will automatically recognize the access point after installing the profile; users only need to turn on the data roaming switch.
Time Zone Calculation Basis: All plan activations and expirations are standardized according to Singapore local time (UTC+8).