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4. Phone

The Mio’s GSM module is triband, the E-TEN’s one is quadband. This cannot be tested in Europe as

here only the 900/1800 MHz frequencies are used and our cell phones switch between these two without

any sign (according to which network is more crowded). The 850 and 1900 MHz frequencies, used in the

USA and in Asia are similar to the European ones: they are usually present simultaneously, so the cell

phones are able to find either one. Still, one can say that it’s a tiny advantage of the E-TEN that it also

works in the 850 MHz range.

In voice quality, the Mio seems better than the E-TEN. Calling them, I could hear my friend calling

from the Blue Angel a little better when I had the Mio in my hand. My friend heard me as good with the

G500 as with the A701, but I heard him not so clearly and good with the E-TEN.

Their ringing is not loud enough, both of them are too silent, so one depends more on the vibration

when having the PDA in the pocket. I’m not saying that my Blue Angel rings loud enough, but having a

well chosen ring tone with high pitches, the BA can yell if it wants too. The G500 and the A701 are more

solid in this sense.

Both devices have GPRS, but the E-TEN also supports the CSD (modem-type) Internet connections.

Because I have to make a decision, here the Mio wins because of the voice quality difference.

5. GPS

Both devices have very-very limited (basically no) instructions in their manuals regarding the

built-in GPS modules. They both leave the settings to Windows and the user’s navigation software. This

is OK, if one has a nice navigation software setting the GPS automatically. Both GPS modules are set by

default to COM4. This is funny though because my navigation software (iGO) worked on COM2 on the

Mio. iGO can be bought only on its own SD card, so I couldn’t run it on the E-TEN as it’s equipped only

via a mini SD slot. In the Mio’s COM port list, COM4 is an “Active Device” and COM2 is the GPS even

though in Settings the GPS port is set to 4. My other navigation software, GarminQue + GPSProxy

(running on both machines) however used COM4 on both PDA’s. It was pretty difficult to set up

GPSProxy on both devices.

The E-TEN’s settings are very difficult. We don’t have any information of the GPS module, if no

automatic configuring software runs on it (I tried installing Destinator 3.0.75, but neither of the machines

accepted the installation for unknown reasons, as the WM5 compatibility settings were made). Finally I

installed GPSProxy and Garmin Que on the E-TEN as well and started to figure out the GPS information.

I knew that COM4 is the used port (could read it out from Settings), but I knew not the baud rate. Trying

57600, 9600 and everything, finally, after two hours of pain, I set it to 4800 bps and then it finally started

to work.

Forgetting these pains above (if one buys an E-TEN after reading this test, he’ll know what the

settings are because I figured them out) one difference between the GPS modules is their transmission

speed: 57600 (Mio) vs. 4800 (E-TEN) bps. By the way this is absolutely no disadvantage to the G500, as

according to the GPS standard, a GPS receiver sends one “GPS sentence” every second and a sentence is

usually 50-100 characters long. This is 50-100 bytes = 800 bits for every second. This clarifies that the E-

TEN’s 4800 bps is more than enough for GPS operation.

Sensitivity: I called “cold boot” the case when the GPS was turned off for at least 10 hours. The Mio’s

receiver found its location after a cold boot in ca. 2-5 minutes, whereas the E-TEN in ca. 4-6 minutes. I

called “warm boot” the case when the GPS was turned off for ca. one hour and then turned back on. For

“hot start” I meant a short “no signal” period (e.g. in a tunnel). Both GPS’s found their locations with the

same speed: 20-60 seconds for warm boot and 5-10 seconds for hot start. Once they found their position,

they didn’t let it go easily. Even in a vehicle having them on the seat they navigated precisely.

Conclusion: the G500’s receiver cold boots on an average one minute longer than the A701.

Other than this, their accuracy and warm/hot start times are absolutely the same.

The E-TEN also has a built-in TMC chip supporting TMC (Traffic Message Channel). The TMC uses

an FM radio’s RDS signals and if a radio station broadcasts TMC signals about traffic jams and

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Mio A701 Technical Information Seite 6

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