If it's less than that however they can do a point-to-point wireless directed at your building and then just do smaller wireless antennas for each unit and that's a pretty economical solution that the smaller wireless ISPs will consider.

Do you need to have wireless routers in the rental to work properly?  

We have moved to hardwired-interconnected with battery backup (in older buildings we use the ones that interconnect wirelessly if we cannot easily pull a 14/3 between the detectors).We also make it very clear in our lease that disabling or impairing the functionality of any fire/gas detection or suppression equipment is a minimum $200.00 fine and cause for termination of the tenancy.

Property managers may also implement a wireless toilet usage monitor.

Wireless OvensWireless ovens are the hottest new thing in the market and many house owners are getting their hands on them.

HI IS THERE SUCH A THING AS A WIRELESS BATTERY OPERATED HALWWAY LIIGHT WITH A MOTION SENSOR, THAT IS BRIGHT ENOUGH TO BE ABLE TO SEE AT NIGHT ON STAIRCASE?   

You can set up stuff to help you manage remotely while you are there such as wireless door locks, ring camera, wifi thermostats, etc..  

Also any recommendations for meters would also be appreciated planning for wireless ones so I don't have to physically check the meter and it'll just send it to my email.2.

I would put no trespassing signs, install an alarm system (you can get a wireless cellular one like Simplisafe for $300) and report any breakins to the police as a break-in as well.

Blink is an Amazon company and they have wireless, battery operated cameras with motion detection at a very high quality and relatively low cost.