Am 31.07.2016 um 04:59 schrieb Aardvarks:
On Sat, 30 Jul 2016 17:49:59 -0700, Jeff Liebermann wrote:

As you walk away from the wireless router,
instead of a general slowdown, you'll see an abrupt drop in speed,
possibly followed by a disconnect.

Eureka! That's the test I need to run!

The typical 2.4GHz 802.11g system
will go about 10 meters before the speed drops abruptly. Measure and
record this distance along with the test conditions (devices,
frequency, protocol, fixed speed, etc).

That's a PERFECT test!
My hypothesis is that the iOS devices will drop in half the distance that
the Android devices will drop - but that remains to be seen in the test.

You will want to test different device orientations as well. Reception
might (from my experience: does) differ depending on device orientation
(e.g.: with the back facing in the AP direction, with the
top/bottom/left/right sides facing the AP).

Additionally, reception will differ as well depending on how/where you
put your hands (for an extreme example see the old iPhone4 Antennagate,
where bridging the different antenna segments of the frame could lead to
a dramatical decrease of signal strength), which hand you're using (a
ring on one hand might influence the readings), whether there's a
protective cover on the phone (and of which type, ...), ...

Obviously, you will need to test several devices for each device model
(in order to rule out issues with a specific device), and different
models altogether.

Lot's of influencing factors, that you want to take into consideration.

Best of luck,

Michael