How many groups (areas) can be configured on the GD-48?
The GD-48 supports up to 8 independent groups (areas). Higher-tier models such as the GD-96 support 16 groups, while the GD-264 and GD-520 support up to 32 groups. (Page 6)
From the official Honeywell GD-48 Security System Control Panel manual, page 6
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