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| Joined: | Saturday Apr 29th, 2006 |
| Location: | Singapore |
| Posts: | 5500 |
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UCM/GSM4 was based on 2G GSM network, so if there is no (3G) suffix the product supports 2G
The 3G version was only released this year in 2017, called UCM/GSM4 (3G), which is sold at a higher price
The 2G model was renamed UCM/GSM4(2G)
Hence existing stock of UCM/GSM4 would be the 2G model
I suggest that you either use a SIM card that supports 2G which includes most networks on the UK, or return the module and pay the difference for the 3G model
Our apologies for the confusion
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