GSM gateway Elgato G20 updated to be scalable up to 20 and 24 channels by applying new firmware and by installing extension cards.

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Previously Elgato G20 was capable to scale till 16 channels only.

Now owners of GSM-gateway G20 can scale it till 20 and 24 channels. In order to enable this feature, you need to make firmware update (manually or with Elgato tech.support team) and check if it is technically possible to install extension boards in the gateway.