Check your phone supports eSIM
Make sure your device is compatible before choosing a plan.
Check
Filter plans
Plan type
Data
Trip length
Sort
Advanced filters
Features
Provider
No providers match.
Quick start
How will you use your eSIM?
For light use
Good for WhatsApp, maps, email and basic browsing.
4 recommended from 19 options
abestesim
eSIM Republic of the Congo - 15 Days / Total 3GB
Data only
3G
Hotspot
Data
3GB
Validity
15 days
Network
Airtel Congo Rep
Price
$12.19
$12.19
$12.19
0% off applied
Data
3GB
Validity
15 days
Price
$12.19
$12.19
$12.19
0% off
Plan type: Data only
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Astaroam
Republic of the Congo eSIM 5GB 30 Days
Data only
4G
Top-up
Hotspot
Data
5GB
Validity
30 days
Network
Airtel
Price
$27.54
$27.54
$27.54
0% off applied
Data
5GB
Validity
30 days
Price
$27.54
$27.54
$27.54
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Mood
Republicthe Congo 5 GB 30 Days
Data only
4G
Top-up
Hotspot
Data
5GB
Validity
30 days
Network
Airtel
Price
$28.49
$28.49
$28.49
0% off applied
Data
5GB
Validity
30 days
Price
$28.49
$28.49
$28.49
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Roamix
Republic of the Congo 5GB 30Days
Data only
4G
Top-up
Hotspot
Data
5GB
Validity
30 days
Network
Airtel
Price
$43.50
$43.50
$43.50
0% off applied
Data
5GB
Validity
30 days
Price
$43.50
$43.50
$43.50
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
For everyday use
Better for social media, regular browsing and longer days out.
3 recommended from 4 options
abestesim
eSIM Republic of the Congo - 15 Days / Total 10GB
Data only
3G
Hotspot
Data
10GB
Validity
15 days
Network
Airtel Congo Rep
Price
$37.61
$37.61
$37.61
0% off applied
Data
10GB
Validity
15 days
Price
$37.61
$37.61
$37.61
0% off
Plan type: Data only
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Mood
Republicthe Congo 10 GB 30 Days
Data only
4G
Top-up
Hotspot
Data
10GB
Validity
30 days
Network
Airtel
Price
$50.49
$50.49
$50.49
0% off applied
Data
10GB
Validity
30 days
Price
$50.49
$50.49
$50.49
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Roamix
Republic of the Congo 10GB 30Days
Data only
4G
Top-up
Hotspot
Data
10GB
Validity
30 days
Network
Airtel
Price
$80.90
$80.90
$80.90
0% off applied
Data
10GB
Validity
30 days
Price
$80.90
$80.90
$80.90
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
For heavy use
For hotspot, video calls, streaming and longer stays.
3 recommended from 4 options
abestesim
eSIM Republic of the Congo - 30 Days / Total 30GB
Data only
3G
Hotspot
Data
30GB
Validity
30 days
Network
Airtel Congo Rep
Price
$106.18
$106.18
$106.18
0% off applied
Data
30GB
Validity
30 days
Price
$106.18
$106.18
$106.18
0% off
Plan type: Data only
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Mood
Republicthe Congo 20 GB 30 Days
Data only
4G
Top-up
Hotspot
Data
20GB
Validity
30 days
Network
Airtel
Price
$91.99
$91.99
$91.99
0% off applied
Data
20GB
Validity
30 days
Price
$91.99
$91.99
$91.99
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Roamix
Republic of the Congo 20GB 30Days
Data only
4G
Top-up
Hotspot
Data
20GB
Validity
30 days
Network
Airtel
Price
$147.00
$147.00
$147.00
0% off applied
Data
20GB
Validity
30 days
Price
$147.00
$147.00
$147.00
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Unlimited options
Unlimited plans with fair-use details shown where available.
3 recommended from 51 options
Mood
Republicthe Congo Unlimited (10 GB/day, then 384 Kbps) 1 Day
Data only
Hotspot
Data
Unlimited
Validity
1 days
Fair use
?
10GB / day
then 384kbps
Price
$33.48
$33.48
$33.48
0% off applied
Data
Unlimited
Validity
1 days
Price
$33.48
$33.48
$33.48
0% off
High-speed data: 10GB / day
Then unlimited at: 384kbps
Plan type: Data only
Internet breakout: United Kingdom
Hotspot supported
Then unlimited at: 384kbps
Plan type: Data only
Internet breakout: United Kingdom
Hotspot supported
Roamix
Republic of the Congo 10GB/Day
Data only
Hotspot
Data
Unlimited
Validity
1 days
Fair use
?
10GB / day
then 384kbps
Price
$51.95
$51.95
$51.95
0% off applied
Data
Unlimited
Validity
1 days
Price
$51.95
$51.95
$51.95
0% off
High-speed data: 10GB / day
Then unlimited at: 384kbps
Plan type: Data only
Internet breakout: United Kingdom
Hotspot supported
Then unlimited at: 384kbps
Plan type: Data only
Internet breakout: United Kingdom
Hotspot supported
abestesim
eSIM Republic of the Congo - 1 Day / Daily 1GB
Data only
Hotspot
Data
Unlimited
Validity
1 days
Fair use
?
1GB / day
then 128kbps
Price
$4.75
$4.75
$4.75
0% off applied
Data
Unlimited
Validity
1 days
Price
$4.75
$4.75
$4.75
0% off
High-speed data: 1GB / day
Then unlimited at: 128kbps
Plan type: Data only
Hotspot supported
Then unlimited at: 128kbps
Plan type: Data only
Hotspot supported
All plans
Compare Republic of the Congo eSIM plans
Showing the clearest option from each plan family. 1 near-duplicate hidden.
Filter by data, duration or plan type to narrow the list.
What's included
-
30-day refund guarantee If your eSIM isn't used, get a full refund within 30 days.
-
UK-based customer support Real people in the UK, reachable by email when you need help.
-
Set up in 60 seconds Install before you travel and connect automatically when you land.
Top picks for your trip
Based on what you've selected
Data
30GB
Validity
30 days
Network
Airtel Congo Rep
Price
$106.18
$106.18
$106.18
$3.54/GB
$3.54/day
0% off applied
Data
30GB
Validity
30 days
Price
$106.18
$106.18
$106.18
$3.54/GB
$3.54/day
0% off
Plan type: Data only
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Data
20GB
Validity
30 days
Network
Airtel Congo Rep
Price
$76.34
$76.34
$76.34
$3.82/GB
$2.54/day
0% off applied
Data
20GB
Validity
30 days
Price
$76.34
$76.34
$76.34
$3.82/GB
$2.54/day
0% off
Plan type: Data only
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Data
20GB
Validity
30 days
Network
Airtel
Price
$91.99
$91.99
$91.99
$4.60/GB
$3.07/day
0% off applied
Data
20GB
Validity
30 days
Price
$91.99
$91.99
$91.99
$4.60/GB
$3.07/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
20GB
Validity
30 days
Network
Airtel
Price
$147.00
$147.00
$147.00
$7.35/GB
$4.90/day
0% off applied
Data
20GB
Validity
30 days
Price
$147.00
$147.00
$147.00
$7.35/GB
$4.90/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
Unlimited
Validity
1 days
Fair use
?
10GB / day
then 384kbps
Price
$33.48
$33.48
$33.48
0% off applied
Data
Unlimited
Validity
1 days
Price
$33.48
$33.48
$33.48
0% off
High-speed data: 10GB / day
Then unlimited at: 384kbps
Plan type: Data only
Internet breakout: United Kingdom
Hotspot supported
Then unlimited at: 384kbps
Plan type: Data only
Internet breakout: United Kingdom
Hotspot supported
Data
10GB
Validity
15 days
Network
Airtel Congo Rep
Price
$37.61
$37.61
$37.61
$3.76/GB
$2.51/day
0% off applied
Data
10GB
Validity
15 days
Price
$37.61
$37.61
$37.61
$3.76/GB
$2.51/day
0% off
Plan type: Data only
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Data
10GB
Validity
30 days
Network
Airtel Congo Rep
Price
$41.11
$41.11
$41.11
$4.11/GB
$1.37/day
0% off applied
Data
10GB
Validity
30 days
Price
$41.11
$41.11
$41.11
$4.11/GB
$1.37/day
0% off
Plan type: Data only
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Data
10GB
Validity
30 days
Network
Airtel
Price
$50.49
$50.49
$50.49
$5.05/GB
$1.68/day
0% off applied
Data
10GB
Validity
30 days
Price
$50.49
$50.49
$50.49
$5.05/GB
$1.68/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
10GB
Validity
30 days
Network
Airtel
Price
$80.90
$80.90
$80.90
$8.09/GB
$2.70/day
0% off applied
Data
10GB
Validity
30 days
Price
$80.90
$80.90
$80.90
$8.09/GB
$2.70/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
3GB
Validity
15 days
Network
Airtel Congo Rep
Price
$12.19
$12.19
$12.19
$4.07/GB
$0.81/day
0% off applied
Data
3GB
Validity
15 days
Price
$12.19
$12.19
$12.19
$4.07/GB
$0.81/day
0% off
Plan type: Data only
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Data
5GB
Validity
15 days
Network
Airtel Congo Rep
Price
$22.69
$22.69
$22.69
$4.54/GB
$1.51/day
0% off applied
Data
5GB
Validity
15 days
Price
$22.69
$22.69
$22.69
$4.54/GB
$1.51/day
0% off
Plan type: Data only
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Data
5GB
Validity
30 days
Network
Airtel Congo Rep
Price
$26.16
$26.16
$26.16
$5.23/GB
$0.87/day
0% off applied
Data
5GB
Validity
30 days
Price
$26.16
$26.16
$26.16
$5.23/GB
$0.87/day
0% off
Plan type: Data only
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Data
5GB
Validity
30 days
Network
Airtel
Price
$27.54
$27.54
$27.54
$5.51/GB
$0.92/day
0% off applied
Data
5GB
Validity
30 days
Price
$27.54
$27.54
$27.54
$5.51/GB
$0.92/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
5GB
Validity
30 days
Network
Airtel
Price
$28.49
$28.49
$28.49
$5.70/GB
$0.95/day
0% off applied
Data
5GB
Validity
30 days
Price
$28.49
$28.49
$28.49
$5.70/GB
$0.95/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
5GB
Validity
30 days
Network
Airtel
Price
$43.50
$43.50
$43.50
$8.70/GB
$1.45/day
0% off applied
Data
5GB
Validity
30 days
Price
$43.50
$43.50
$43.50
$8.70/GB
$1.45/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
Unlimited
Validity
1 days
Fair use
?
10GB / day
then 384kbps
Price
$51.95
$51.95
$51.95
0% off applied
Data
Unlimited
Validity
1 days
Price
$51.95
$51.95
$51.95
0% off
High-speed data: 10GB / day
Then unlimited at: 384kbps
Plan type: Data only
Internet breakout: United Kingdom
Hotspot supported
Then unlimited at: 384kbps
Plan type: Data only
Internet breakout: United Kingdom
Hotspot supported
Data
3GB
Validity
30 days
Network
Airtel Congo Rep
Price
$16.69
$16.69
$16.69
$5.56/GB
$0.56/day
0% off applied
Data
3GB
Validity
30 days
Price
$16.69
$16.69
$16.69
$5.56/GB
$0.56/day
0% off
Plan type: Data only
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Data
3GB
Validity
15 days
Network
Airtel
Price
$17.99
$17.99
$17.99
$6.00/GB
$1.20/day
0% off applied
Data
3GB
Validity
15 days
Price
$17.99
$17.99
$17.99
$6.00/GB
$1.20/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
3GB
Validity
30 days
Network
Airtel
Price
$18.49
$18.49
$18.49
$6.16/GB
$0.62/day
0% off applied
Data
3GB
Validity
30 days
Price
$18.49
$18.49
$18.49
$6.16/GB
$0.62/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
3GB
Validity
15 days
Network
Airtel
Price
$18.53
$18.53
$18.53
$6.18/GB
$1.24/day
0% off applied
Data
3GB
Validity
15 days
Price
$18.53
$18.53
$18.53
$6.18/GB
$1.24/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
3GB
Validity
30 days
Network
Airtel
Price
$19.26
$19.26
$19.26
$6.42/GB
$0.64/day
0% off applied
Data
3GB
Validity
30 days
Price
$19.26
$19.26
$19.26
$6.42/GB
$0.64/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
3GB
Validity
15 days
Network
Airtel
Price
$28.35
$28.35
$28.35
$9.45/GB
$1.89/day
0% off applied
Data
3GB
Validity
15 days
Price
$28.35
$28.35
$28.35
$9.45/GB
$1.89/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
3GB
Validity
30 days
Network
Airtel
Price
$28.45
$28.45
$28.45
$9.48/GB
$0.95/day
0% off applied
Data
3GB
Validity
30 days
Price
$28.45
$28.45
$28.45
$9.48/GB
$0.95/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
3GB
Validity
7 days
Network
Airtel Congo Rep
Price
$13.21
$13.21
$13.21
$4.40/GB
$1.89/day
0% off applied
Data
3GB
Validity
7 days
Price
$13.21
$13.21
$13.21
$4.40/GB
$1.89/day
0% off
Plan type: Data only
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Data
5GB
Validity
7 days
Network
Airtel Congo Rep
Price
$20.36
$20.36
$20.36
$4.07/GB
$2.91/day
0% off applied
Data
5GB
Validity
7 days
Price
$20.36
$20.36
$20.36
$4.07/GB
$2.91/day
0% off
Plan type: Data only
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Network: Airtel Congo Rep
Speed: 3G
Hotspot supported
Data
1GB
Validity
7 days
Network
Airtel
Price
$7.50
$7.50
$7.50
$7.49/GB
$1.07/day
0% off applied
Data
1GB
Validity
7 days
Price
$7.50
$7.50
$7.50
$7.49/GB
$1.07/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
1GB
Validity
7 days
Network
Airtel
Price
$9.06
$9.06
$9.06
$9.06/GB
$1.29/day
0% off applied
Data
1GB
Validity
7 days
Price
$9.06
$9.06
$9.06
$9.06/GB
$1.29/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
1GB
Validity
7 days
Network
Airtel
Price
$11.15
$11.15
$11.15
$11.15/GB
$1.59/day
0% off applied
Data
1GB
Validity
7 days
Price
$11.15
$11.15
$11.15
$11.15/GB
$1.59/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Network: Airtel
Speed: 4G
Internet breakout: United Kingdom
Top-up available
Hotspot supported
Data
1GB
Validity
5 days
Network
Airtel
Price
$5.39
$5.39
$5.39
$5.39/GB
$1.08/day
0% off applied
Data
1GB
Validity
5 days
Price
$5.39
$5.39
$5.39
$5.39/GB
$1.08/day
0% off
Plan type: Data only
Network: Airtel
Speed: 4G/5G/LTE
Hotspot supported
Network: Airtel
Speed: 4G/5G/LTE
Hotspot supported
Data
Unlimited
Validity
1 days
Fair use
?
2GB / day
then 512kbps
Price
$12.99
$12.99
$12.99
0% off applied
Data
Unlimited
Validity
1 days
Price
$12.99
$12.99
$12.99
0% off
High-speed data: 2GB / day
Then unlimited at: 512kbps
Plan type: Data only
Internet breakout: United Kingdom
Hotspot supported
Then unlimited at: 512kbps
Plan type: Data only
Internet breakout: United Kingdom
Hotspot supported
No plans match these filters
Try widening your search or browsing all plans.
Popular destinations
Staying connected in Republic of the Congo
A quick look at what the eSIM plans for Republic of the Congo in our index offer, plus a few practical essentials for your trip.
Networks the plans use
Airtel
3G / LTE / 4G / 5G
Based on the plans currently listed for Republic of the Congo in our index. Network details are provided by suppliers and may change.
Travel essentials
- CurrencyCentral African CFA franc (XAF)
- Dialling code+242
- Local timeWAT (GMT+1)
- LanguageFrench
Guides for visiting the Republic of the Congo
How much travel data do you really need abroad?
From Google Maps and WhatsApp to streaming, hotspotting and remote work, travel data usage varies far more tha...
Read guide →Do you actually need calls and SMS on a travel eSIM?
Many travel eSIMs are data only, which often raises the same question for travellers before a trip: what happe...
Read guide →What is an eSIM and how does it work?
eSIMs are becoming increasingly common for travel, but many people still are not entirely sure how they work....
Read guide →How to choose the best Republic of the Congo eSIM for your trip
On eSIM Indexer, you can compare 98 active eSIM plans for Republic of the Congo from 4 providers (Astaroam, Mood, Roamix and abestesim). Prices start at $6.37 and go up to $20,964.21.
Both fixed-data plans (up to 30GB) and unlimited options are available; validity ranges from 1 to 365 days.
What travellers usually ask
For a short trip, many travellers can manage with 3GB to 10GB if they mainly use maps, messaging, email and browsing. Choose a larger plan if you use hotspot, video calls or streaming.
An eSIM can often be cheaper than standard roaming and gives you a separate travel data plan for Republic of the Congo without changing your physical SIM.
Yes. WhatsApp, iMessage, FaceTime, email and other apps work normally as long as your eSIM plan has mobile data available.
Yes. Your phone must support eSIM and be network unlocked. If your device is locked to one network, a travel eSIM may not connect.
This depends on the provider. Many travel eSIMs start when they first connect to a supported network, but some may start after installation or purchase. Always check the plan details before buying.
Many eSIM plans support hotspot, but it depends on the provider and plan. If hotspot is important for laptops or sharing data, check the plan details before purchasing.
Unlimited plans may include a fair-use policy, such as a daily high-speed allowance. After that limit, speeds may be reduced until the allowance resets.
Some providers allow top-ups, while others require buying another plan. If you think you may need more data, choose a plan with top-up support or a larger allowance.