Hi Paul I've used them on the Map2n - same as any other routerboard/mikrotik really however they require the micro usb to normal usb cable which is clumsy at the best of times. I don't know if I've done it on a hap (so much Mikrotik gear here) Things to remember: You can use POE in as well as DC in (Dual power supply - on some you can monitor the dc voltage - if it's 0v then you know you have a drop but are still running on POE) You can plug in a USB HUB In this hub you can plug your USB ups in or your RS232 adaptor into your ups as well as your dongle The UPS package will tell you if it's on battery or not (we use it for ups monitoring for the smaller ups's that don't come with network) You can script up a SMS straight from the Mikrotik on an alert - like a power on/off event on the ups. (I'm about to start working on this) You also have SNMP at your disposal Any of the serial ports on the other models you can change from console to a serial port. I'd go the hAP purely from the perspective of having a normal size USB port. - I haven't tested them with both POE and PS Pack. But yes they are awesome and cheap, I use them for 3/4G failover if we lose fibre/xdsl/eoc as well as OOB at the DC's and as a serial host for switches/ups's James -----Original Message----- From: Public [mailto:public-bounces@talk.mikrotik.com.au] On Behalf Of Paul Julian Sent: Monday, 31 August 2015 5:54 PM To: public@talk.mikrotik.com.au Subject: [MT-AU Public] 3G/4G on mAP2n or hAP-2nD Hi guys, just wondering if anybody has used the Routerboard mAP2n with a USB dongle for 3G/4G access ? We are looking at some out of band options for some remote sites and also a way to identify if there has been a power problem on site, so thinking that these things are pretty cheap and we can configure them as an out of band router which plugs into the mains power rather than UPS, that way if we see it drop we know we are running on UPS and if our other gear fails for any reason we can get in remotely using the unit as long as the mains power is working. The other option I am considering is the hAP-2nD which has the advantage of additional ports which I can connect to different devices on site if need be. Both units are the same price. Any thoughts ?? Regards Paul _______________________________________________ Public mailing list Public@talk.mikrotik.com.au http://talk.mikrotik.com.au/mailman/listinfo/public_talk.mikrotik.com.au