There is no maximum, neither as a central nor as a peripheral, nor combined.
Whatever you can fit in RAM and in multiplexed time (depending on connection intervals, use of slave latency, etc).
From: devel@... <devel@...> On Behalf Of josef via Lists.Zephyrproject.Org
Sent: 05 March 2019 10:05
Subject: [Zephyr-devel] BLE Central max concurrent connections #ble #hci #nrf52480 #uart