Justworx IoT SIM

R399.00 incl. VAT

Ajax Hubs must be connected to the internet for remote communication and software updates. It is highly recommended to have a SIM card inserted into the Hub as either backup to your existing internet connection or for use without the internet. 

Justworx IoT SIM cards include DATA, No no monthly payments, No subscriptions. (Cannot be used for phone calls or surfing the internet).

Activate your Justworx IoT SIM card HERE and select the following options for your Ajax Hub:

  • Data4Life (10MB/month) if used as backup to an existing internet connection – DATA will last for 30 years
  • 100MB/month if you don’t have internet and only the SIM card will be used DATA will last for 2 years
  • Top-up data available online and never expires

Other activation options are available for different use of Justworx IoT SIM

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Benefits of Justworx IoT SIM cards:

  • Once-off purchase (or Free with our Ajax specials)
  • No Subscriptions
  • No Monthly Payments
  • No Recharge Fees
  • Data Never Expires
  • Automatically connects to the strongest local network (Vodacom and MTN in South Africa)
  • Ultra-Secure connectivity
  • Works on 2G, 3G and 4G (LTE) networks
  • Top-up data available online, never expires
  • Weekly usage reports via email and low-data alerts via email


Justworx has a coverage on over 230 networks in 105 countries, multi-network in each country. See this list of countries HERE

How to Activate your Justworx SIM card and adjust the settings on the Ajax Hub mobile app.



  • Service Provider

– Justworx

  • SIM Card Format

– Full Size with Micro + Nano Push Outs           

  • Network Selection Handling

– Non-Steering (Multi-Network)

  • Optional Data Plans

– Data4Life

– Micro 30

– Micro 50

– Micro 100

  • No. of Countries Supported

– 105 (Coverage List)

  • No. of Networks Supported

– 230 (Coverage List)

  • Optional Top-Up

– Available on All Data Plans

  • SMS Functionality

– Supported

  • Top-Up Rollover Validity

– 12 Months

  • SIM Activation Page

– Justworx SIM Activation


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