What cellular connectivity does Karoo have? Laurence Wattrus April 19, 2017 13:53 Follow Karoo is equipped with a 3G - WCDMA antenna and modem covering these bands. 850/900/1900/2100 MHz. Related articles What other bluetooth functions are possible? How do live-features work? Do I need a phone to use Karoo? What sensors can Karoo connect to? What positioning systems does Karoo use? Comments 5 comments Sort by Date Votes Philippe Demay February 21, 2018 18:39 Hi, I have just received my Karoo and I am quite impatient to start using it on the road. My question is: where should I insert a sim card? I do not see any slot on my Karoo... 1 Permalink Frank Bosma February 23, 2018 18:22 I have exactly the same question, looked under the mounting bracket, but can't find anything for the SIM card... 0 Permalink Dr. Alexander R. K. Ceccucci-Völker February 23, 2018 22:04 Edited Here you see how it works https://youtu.be/tlUAhYsn0_M 0 Permalink Frank Bosma February 23, 2018 22:25 thx! (but it won't open... how hard I try :-(…. ) Already made some dents... 0 Permalink Dr. Alexander R. K. Ceccucci-Völker February 24, 2018 07:35 Edited Karoo does not work with my Sim from O2 Germany. No Connectivity. I assume no supported Frequency? 1 Permalink Please sign in to leave a comment.