# Bluetooth Version of BC127 Classic Profile - Secure Connections (4.2)

**URL:** <https://forum.sierrawireless.com/t/bluetooth-version-of-bc127-classic-profile-secure-connections-4-2/13901>\
**Category:** WiFi and Bluetooth Modules\
**Created:** [September 19, 2018, 2:17pm UTC](https://forum.sierrawireless.com/t/bluetooth-version-of-bc127-classic-profile-secure-connections-4-2/13901 "2018-09-19T14:17:05Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![alho](https://avatars.discourse-cdn.com/v4/letter/a/cc9497/32.png) [@alho](https://forum.sierrawireless.com/u/alho)\
**Post date:** [September 19, 2018, 2:17pm UTC](https://forum.sierrawireless.com/t/bluetooth-version-of-bc127-classic-profile-secure-connections-4-2/13901/1 "2018-09-19T14:17:05Z")

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Hi there,

I was trying to find out (without a Bluetooth Analyzer) what Bluetooth Version the BC127 is working with?  
The Melody 7.1 must have parts of BT5.0 (I guess the Broadcasting stuff), it’s also written in the User Guide. But what about the Classic Profiles?  
Is the BC127 able to make a Secure Connections instead of a Just Works SSP? How can it be configured?

Thanks and regards,  
Alex

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**Author:** ![mlw](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/mlw/32/3706_2.png) [@mlw](https://forum.sierrawireless.com/u/mlw)\
**Post date:** [September 19, 2018, 2:59pm UTC](https://forum.sierrawireless.com/t/bluetooth-version-of-bc127-classic-profile-secure-connections-4-2/13901/2 "2018-09-19T14:59:47Z")

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@alho,

Yes you can set this using the SSP\_CAPS parameter in the configuration. If something then tries to connect to you then the connection will need to explicitly be accepted.

Regards

Matt