Cradlepoint CBA850 Cellular Broadband Adapter with Generic multi-band 3G/4G integrated modem

Hey everyone! Steve the network advisor.   we had a video I did on cradle points   a while back. And I got a few comments about adding  sim cards to a cradle point. And I have to admit it   probably wasn't clear in that video. So I'm going  to stop now and do another one to kind of help   clear that up. So this is a cradle point MBR  1400. There's also, I think maybe in that video I   might have shown either this one. Or, a Cradlepoint  1200. They look pretty much the same except the  1400 has the little Wi-Fi antennas on the front.  But anyway, what this does not have is the   ability to put a sim card in it unless you have  this piece. So this is an optional modular add-on   that slips onto the back like this. This is called  a.... well the part number is MC 400  LPE All right, so in this  portion is a place to put the sim cards .  So what I can do now... It takes what's kn