New MF511 Device Supports 5G, 4G, Wi-Fi 6, Physical SIM and eSIM Connectivity for Up to 16 Users
Dialog Axiata has introduced the Dialog 5G Ultra MiFi MF511, a portable internet device supporting 5G, 4G, Wi-Fi 6, physical Nano-SIM and eSIM connectivity. Dialog describes it as South Asia’s first 5G MiFi with eSIM capability.
Dialog Axiata has introduced the Dialog 5G Ultra MiFi MF511, a portable wireless internet device designed to provide 5G or 4G connectivity to multiple Wi-Fi-enabled devices.
The product supports Wi-Fi 6, a physical Nano-SIM and eSIM connectivity. According to Dialog’s official product information, up to 16 users or devices can connect simultaneously.
Dialog describes the product as South Asia’s first 5G MiFi with eSIM capability. This regional-first description is a claim made by the company and reported in the launch announcement; Sri Lanka Directory has not independently verified it against every comparable product available across South Asia.
The device was listed on Dialog’s official website at an online retail price of Rs. 39,990 at the time this article was prepared.
Dialog 5G Ultra MiFi: Confirmed Features
- Model: MF511
- Mobile connectivity: 5G and 4G
- Wi-Fi standard: Wi-Fi 6 — IEEE 802.11ax
- SIM support: Physical Nano-SIM and eSIM
- Simultaneous connections: Up to 16 users
- Battery: 5,000mAh
- Display: 2.4-inch TFT LCD
- Official online price: Rs. 39,990 at the time of reporting
What Is a 5G MiFi Device?
A MiFi device is a portable wireless router that receives an internet connection through a mobile network and shares that connection with nearby devices over Wi-Fi.
Unlike a fixed broadband router, a portable MiFi can be carried between locations, subject to network coverage, battery availability and the service provider’s terms.
Laptops, smartphones, tablets and other compatible devices can connect to the MiFi’s Wi-Fi network. This may be useful for users who need a portable connection or want to share one mobile broadband connection among several devices.
The MF511 supports both 5G Standalone and Non-Standalone network modes, according to the technical specifications published on Dialog’s website. It also supports several listed 5G and LTE frequency bands.
Actual connectivity and performance will depend on network availability, location, signal strength, congestion, the selected data plan and other operating conditions.
Physical SIM and eSIM Support
One of the product’s central features is its support for both a physical Nano-SIM and an eSIM.
An eSIM is a programmable digital SIM embedded in a compatible device. It can reduce the need to insert or replace a physical card when activating supported services.
Dialog’s official product page provides a downloadable eSIM guide for the MF511.
The device is listed as being network-locked to the Dialog and Airtel mobile networks. Customers should therefore confirm network compatibility and activation requirements before purchasing it for a particular use.
The announcement does not establish that customers can freely activate eSIM services from unrelated local or overseas network operators.
Wi-Fi 6 and Multiple Connected Devices
Dialog states that the MF511 supports Wi-Fi 6, formally identified as IEEE 802.11ax, with AX1800-class performance.
Wi-Fi 6 is designed to manage connections more efficiently when several compatible devices are using the same wireless network. However, the availability of Wi-Fi 6 does not by itself guarantee a particular internet speed.
Dialog says the MF511 can connect up to 16 users simultaneously.
The actual experience available to each connected user may vary according to the mobile-network connection, signal conditions, data-plan limitations and the activities being performed across all connected devices.
Battery and Portability
The device contains a 5,000mAh battery. The launch announcement states that it can provide up to 16 hours of continuous use.
Battery endurance can vary depending on network mode, signal strength, screen activity, the number of connected devices, data usage and other conditions. Customers should therefore treat the stated duration as an “up to” figure rather than a guaranteed operating time.
The official specifications list the device at approximately 180 grams, with maximum dimensions of 130 × 70 × 21.5 millimetres.
It also includes a 2.4-inch TFT LCD screen and USB 3.0 Type-C connectivity.
Who Could Use the Device?
Dialog is positioning the portable MiFi for professionals, businesses, students, travellers and families.
Potential uses may include:
- Remote and hybrid work
- Business travel
- Temporary offices and project sites
- Internet access for laptops and tablets
- Shared family connectivity
- Backup connectivity where fixed broadband is unavailable or interrupted
- Short-term accommodation or work locations
These are possible use cases rather than guarantees of suitability. Customers should check 5G or 4G coverage, data-plan conditions and power requirements for their intended location.
Check Before Purchasing
- Confirm Dialog 5G or 4G coverage at the locations where you plan to use it.
- Review the selected Dialog Ultra plan’s data allowance, speed conditions and charges.
- Confirm whether eSIM or physical-SIM activation is more suitable for your requirements.
- Check that your devices support the preferred Wi-Fi standard.
- Ask Dialog about warranty, returns and payment-plan conditions.
This is a general consumer checklist and not an official Dialog eligibility or activation guide.
Compatible Dialog Ultra Plans
The launch announcement states that the MiFi works with Dialog Ultra plans identified as:
- Dialog Ultra 1495
- Dialog Ultra 1895
- Dialog Ultra 2595
- Dialog Ultra 2995
- Dialog Ultra 3999
Dialog says customers can access Dialog 5G Ultra where available, with continued connectivity over its 4G network.
Plan prices, data allowances, speed policies and other conditions may change. Customers should review the latest plan information directly through Dialog before purchasing or activating a service.
Price and Availability
Dialog’s official product page listed the MF511 at an online retail price of Rs. 39,990 when checked for this article.
The launch announcement said the product would be available through Dialog’s website and selected Dialog outlets.
It also stated that payment plans of up to 60 months may be available through participating credit-card partners and that applicable Club Vision discounts may be offered for in-store purchases at selected locations.
The exact instalment terms, eligibility criteria, interest or fee conditions and available discounts were not detailed in the records reviewed. Customers should obtain the applicable terms directly from Dialog or the participating financial institution.
What Comes in the Box?
According to Dialog’s official product listing, the package includes:
- One MF511 MiFi unit
- One quick user manual
- One USB cable
- One warranty card
Customers should verify the current package contents at the time of purchase.
Dialog’s 5G Network Claim
Dialog’s launch announcement states that the company has more than 1,000 live 5G sites across all 25 districts.
This is a figure supplied by Dialog. The presence of live sites in a district does not necessarily mean that uninterrupted 5G coverage is available throughout every location in that district.
Users may move between 5G and 4G depending on their precise location, local signal conditions, compatible plans and network availability.
Why the Launch Is Significant
Portable connectivity has become increasingly important for remote work, education, business travel and temporary workplaces.
A portable device combining 5G, Wi-Fi 6 and eSIM functionality could provide additional flexibility for users who require internet access across different locations.
Its practical value will depend on coverage, service-plan costs, device performance and the user’s individual connectivity requirements.
The launch also reflects the continuing expansion of Sri Lanka’s commercial 5G ecosystem beyond smartphones to include portable routers and other connected devices.
Information Not Confirmed in the Records Reviewed
The following details were not independently established in the information reviewed for this article:
- Independently tested real-world download and upload speeds
- Average performance in different Sri Lankan districts
- Indoor and rural signal performance
- Independent verification of the “South Asia’s first” claim
- Whether the stated 16-hour battery figure applies under specific test conditions
- Final instalment costs offered by each credit-card provider
- Complete warranty and return conditions
- Availability at every Dialog outlet
- Stock quantities
- Any guaranteed minimum 5G speed
Customers should rely on Dialog’s current official product, coverage, plan and contractual information before purchasing.
SLD Perspective
The Dialog 5G Ultra MiFi provides a new portable-connectivity option for Sri Lankan professionals, students, families and businesses.
Its combination of 5G, 4G, Wi-Fi 6, eSIM and physical-SIM support makes it relevant to people who need to connect several devices while working or travelling.
However, buyers should assess the product based on actual network coverage, plan value, battery requirements and their normal internet usage rather than relying only on headline technology claims.
Independent performance reviews will provide a clearer picture of how the device operates across different parts of Sri Lanka.
