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sniffing a laser tape

First time using the sniffer.

I want to sniff out the communication for a laser tape measuring device (Boosch GLM 50C)

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I noticed that I am unable to sniff out anything when using with an android phone (is it because of a pairing operation?) I did get some information in packets when using an iphone, but after the initial connection, I can only see the advertisement packets (when not connected)..

Can't it be done?

Wireshark log bosch.pcapng

CONNECT_REQ recieved bosch_2_.pcapng

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  • From your sniffer log it's obvious that it missed the connection (assuming there was some, gap in timing after packet #46 suggests that). What nRF51 board are you using? Do you have all phone, sniffer and Bosh thing close together during experiments? Note that Nordic sniffer has some limitations in sensitivity and that people who do such tasks for living are using specialized and much more expensive tools like Frontline or Ellysis analyzers (1-20k USD).

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  • From your sniffer log it's obvious that it missed the connection (assuming there was some, gap in timing after packet #46 suggests that). What nRF51 board are you using? Do you have all phone, sniffer and Bosh thing close together during experiments? Note that Nordic sniffer has some limitations in sensitivity and that people who do such tasks for living are using specialized and much more expensive tools like Frontline or Ellysis analyzers (1-20k USD).

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