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Inmarsat Prepaid SIM Plans are a flexible way to stay connected when you're travelling beyond mobile coverage. They are suited to travellers, marine users, remote workers, and anyone needing reliable communication in areas where standard networks are not available.
With prepaid, you purchase units upfront and use them for calls and messages as needed. This gives you clear control over your costs without any ongoing monthly billing.
You can choose from a range of plan options with different unit amounts and validity periods, making it easy to match your usage to your trip or situation.
Each plan comes with a set validity period, and unused units can roll over if you recharge before expiry. This makes prepaid a practical option for both occasional use and longer-term travel.
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Voucher Options
| Plan | ISATPP100 | ISATPP250 | ISATPP500 | ISATPP1000 | ISATPP2500 | ISATPP5000 |
|---|---|---|---|---|---|---|
| Price (AUD) | $225 | $455 | $895 | $1,545 | $3,595 | $5,995 |
| Units Per Voucher | 100 | 250 | 500 | 1,000 | 2,500 | 5,000 |
| Validity | 90 days | 180 days | 365 days | 365 days | 365 days | 365 days |
| Approx. Minutes (GSPS)* | 60 mins | 165 mins | 330 mins | 650 mins | 1,500 mins | 3,000 mins |
*Approximate minutes based on standard fixed/mobile call rate of 1.5 units per minute.
Usage & Conditions
No activation fee applies.
Calls are billed for the first 30 seconds, then in 15 second increments.
Prices are in AUD and include GST.
Vouchers are issued electronically by email.
Vouchers must be activated within 12 months of purchase.
Unused units are forfeited once validity expires.
If topped up before expiry, unused units roll into the new validity period.
Vouchers cannot be refunded once issued.
Prepaid amounts cannot be split across multiple SIM cards.
Vouchers apply to individual Inmarsat SIMs only.
Balance check: Dial *106# and press the green key (free of charge).
Unit Deductions
| Call Type | Units per Minute |
|---|---|
| Fixed, Mobile, PSTN, GSPS | 1.5 |
| SMS | 0.6 per message |
| Iridium | 12.7 |
| Other MSS Carriers | 8 |
| Inmarsat GAN / Fleet / Swift Voice | 5.6 |
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Prepaid Flexibility: Pay upfront and use your balance when needed without ongoing costs.
Multiple Plan Options: Choose from a range of voucher sizes to suit your expected usage.
Calls & Messaging: Stay in touch with reliable satellite communication when mobile coverage is not available.
Clear Cost Control: Units are deducted based on usage so you can easily track how your balance is used.
Electronic Delivery: Voucher codes are delivered by email for quick and convenient activation.
Rollover Available: Unused units can carry forward when recharged before expiry.
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