S120 is for Bluetooth 4.1? what 's different from S110?

Question

Can I build mesh connexion with S120 or S110? 
 I just need more than 8 ble device work together.

Ole Morten · Accepted Answer

S120 is a Central softdevice, capable of keeping a connection to up to 8 Peripherals while scanning. See the S120 SoftDevice specification for details. 
 There is no built-in meshing capabilities in BLE, and the S120 can not be both a Central and a Peripheral simultaneously, so it's not easy to use it for mesh topologies. For such use cases, it's probably better to either build on ANT, or build something custom directly on the RADIO peripheral of the nRF51822. Beware that this is not trivial however, and would require significant development effort. You may have use in taking a look at this question .

S120 is for Bluetooth 4.1? what 's different from S110?

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