Live, factual prices
Roamiya rate from our live catalog. Carrier rate referenced from each provider's published travel-pass tariffs.
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Prices checked May 2026
Roamiya is the lowest indexed option for this trip and costs less than Proximus Belgium standard roaming.
Mongolia 3GB 30 Days
$20.99
21 days · 3 GB· Instant delivery
Daily Roaming Pass Zone B
€283.29
Plan: Daily feeSource: carrier rate page
Roamiya rate from our live catalog. Carrier rate referenced from each provider's published travel-pass tariffs.
Both prices reflect the same destination, trip length, and data target so the comparison stays apples-to-apples.
Catalog and carrier tariffs are revalidated regularly. Last verified May 2026.
Compare Proximus Belgium, Roamiya, and this Mongolia scenario side by side.
Price
✓Carrier: €283.29
Roamiya: $20.99
Data
~Carrier: Daily fee
Roamiya: 3 GB
Duration
~Carrier: 21 days
Roamiya: 30 days
Coverage
✓Carrier: 112 countries
Roamiya: 1 country
Activation
✓Carrier: Varies
Roamiya: Instant
Contract
✓Carrier: Required
Roamiya: None
Limitations
Carrier: Extra costs may apply
Roamiya: Data-only eSIM; use VoIP apps for calls and messaging
Match
~Carrier: 3 GB / 21 days (scenario)
Roamiya: Meets or exceeds
Complete alternative-carrier pricing is not available for this Mongolia trip yet. This page still compares Proximus Belgium roaming against Roamiya at $20.99.
Carrier price last checked May 2026 for Proximus Belgium Daily Roaming Pass Zone B; comparison assumes 21 days and 3 GB.
Proximus Belgium pricing recency and Roamiya package pricing are evaluated against the same trip assumptions before this page is published. Last verified May 2026.
Ready to choose the cheaper Mongolia option?
Open the matched Roamiya eSIM route for this scenario.
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