Review Modem Maestro 100 Lite

Voucha team this time trying Maestro Lite 100 modem GSM. These modems made in China and using the engine as a Wavecom wireless CPU Q24. For the data connection using a serial RS-232 cable, so no need to install the various drivers. Full specifications, you can get on his website

http://www.maestro-wireless.com

Maestro 100 modems are designed for industrial applications and issued in 3 versions namely: a Maestro 100 (GPRS + Full TCP / IP stack), Maestro 100 Ext (GPRS + Full TCP / IP stack + extended temperature range) and Maestro 100 Lite (GPRS + Basic TCP / IP stack). For testing this time using a Maestro Team Voucha 100 Lite.

Voucha3 Device Testing using 3.1 for Windows XP SP2 Indosat deal SEV.Menurut technical specifications, Maestro 100 Lite modem is compatible with AT Command AT Command 07.05 and Wavecom, so there should be no significant obstacles.

First time used, this modem running at 9600 baudrate. Transaction went smoothly with Simtoolkit mode. But it feels a little slower. The following results using screenshotnya baudrate 9600.

To use baudrate 115200, we send the following Command AT commands via PuTTY

AT + IPR = 115200

Then do reconnection at 115,200. To save the default baudrate of 115200, we send the command:

AT & W

After that, we run the Device Voucha3 with baudrate Indosat SEV 115,200. Here are the results:

Start

Cek Stok

Transactions

In the baudrate 115200, faster transaction processing 4-8 seconds. Of course, until a reply is received from Indosat SEV, not only to the message sent. So the time delay between messages sent and replies received transaction is also calculated.

Pros

* Compatible with AT Command and Wavecom GSM
* Support features simtoolkit
* Can use generic components of Wavecom Supreme 10 such as serial cables, adapters and antennas.
* Molding for a more orderly casing from other China-made modem.
* The price is cheaper (relative) from Wavecom Supreme 10

Disadvantages

* Antenna is less compact spiral. Maybe because it was designed for telemetry applications with GPRS and TCP / IP which requires a good signal quality.

General assessment

For server applications toll sms feature, USSD, and simtoolkit, the modem is running very well and stable. Not much different from the other modem based on Wavecom

http://blog.pulsa.web.id/2009/09/05/review-modem-maestro-100-lite.html.