Installation
(O2 Data Expres - detailed information about the service.)
If you've already purchased your modem, you can install it yourself. Simply follow the directions contained below.
Modem installation
1. Insert the battery into your modem.
2. Take out the small removable antenna.

3. Connect the antenna adapter to the external antenna.

4. Connect the adapter with antenna to the modem.

5. Using the button shown, turn on your modem.

6. Insert the installation CD into your computer.
7. Insert the power cable into the socket on your modem.

8. Plug the power cable into a wall outlet.
9. Connect the modem to your computer.

Note: Our certified specialists can conduct the installation for you in your home or office, or at brand stores. A list of technical specialists can be found here.
Connection parameters
- username: 601xxxxxx@etcz (or MSISDN@etcz, using the MSISDN code the customer recieved upon activation)
- password: received upon activation (note: passwords are case-sensitive)
- IP and DNS adresses: assigned dynamically
- Telephone number: #777
- SMTP server: smtp.etmail.cz
Download the driver for the GPC-6420 modem
AT commands for the GPC-6420 modem