Venus VT-12 CDMA USB is probably the cheapest CDMA USB modem. Below the technical specifications:
[*] CDMA 20001x RTT
[*] 800 Mhz, support Flexi, FREN, StarOne & Esia.
[*] R-UIM Card
[*] Sensitifity: -104 dBm (FER <= 0,5%) dan (-25dBm FER
[*] USB 2.0 compatible with USB 1.0
[*] Uplink & downlink speed 153.6 Kbps
Steps to install:
[*] Login to your box via SSH as root
[*] Put the Venus VT-12 CDMA USB modem to any free USB port.
[*] Check if CentOS recognize the modem.
tail /var/log/messages
[*] You’ll see something like these:
Mar 8 10:24:09 centos1 kernel: usb 2-1: new full speed USB device using uhci_hcd and address 5
Mar 8 10:24:09 centos1 kernel: usb 2-1: configuration #1 chosen from 1 choice
Mar 8 10:24:09 centos1 kernel: option 2-1:1.0: GSM modem (1-port) converter detected
Mar 8 10:24:09 centos1 kernel: usb 2-1: GSM modem (1-port) converter now attached to ttyUSB0
Mar 8 10:24:09 centos1 kernel: option 2-1:1.1: GSM modem (1-port) converter detected
Mar 8 10:24:09 centos1 kernel: usb 2-1: GSM modem (1-port) converter now attached to ttyUSB1
Means CentOS recognized the modem.
[*] Create the modem configuration in /etc/wvdial.conf
wvdialconf /etc/wvdial.conf
You’ll see something like these:
Scanning your serial ports for a modem.
ttyS0<*1>: ATQ0 V1 E1 -- failed with 2400 baud, next try: 9600 baud
ttyS0<*1>: ATQ0 V1 E1 -- failed with 9600 baud, next try: 115200 baud
ttyS0<*1>: ATQ0 V1 E1 -- and failed too at 115200, giving up.
ttyS1<*1>: ATQ0 V1 E1 -- failed with 2400 baud, next try: 9600 baud
ttyS1<*1>: ATQ0 V1 E1 -- failed with 9600 baud, next try: 115200 baud
ttyS1<*1>: ATQ0 V1 E1 -- and failed too at 115200, giving up.
Port Scan<*1>: S2 S3
WvModem<*1>: Cannot get information for serial port.
ttyUSB0<*1>: ATQ0 V1 E1 -- OK
ttyUSB0<*1>: ATQ0 V1 E1 Z -- OK
ttyUSB0<*1>: ATQ0 V1 E1 S0=0 -- OK
ttyUSB0<*1>: ATQ0 V1 E1 S0=0 &C1 -- OK
ttyUSB0<*1>: ATQ0 V1 E1 S0=0 &C1 &D2 -- OK
ttyUSB0<*1>: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 -- OK
ttyUSB0<*1>: Modem Identifier: ATI -- ERROR
ttyUSB0<*1>: Speed 4800: AT -- OK
ttyUSB0<*1>: Speed 9600: AT -- OK
ttyUSB0<*1>: Speed 19200: AT -- OK
ttyUSB0<*1>: Speed 38400: AT -- OK
ttyUSB0<*1>: Speed 57600: AT -- OK
ttyUSB0<*1>: Speed 115200: AT -- OK
ttyUSB0<*1>: Speed 230400: AT -- OK
ttyUSB0<*1>: Speed 460800: AT -- OK
ttyUSB0<*1>: Max speed is 460800; that should be safe.
ttyUSB0<*1>: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 -- OK
WvModem<*1>: Cannot get information for serial port.
ttyUSB1<*1>: ATQ0 V1 E1 -- failed with 2400 baud, next try: 9600 baud
ttyUSB1<*1>: ATQ0 V1 E1 -- failed with 9600 baud, next try: 115200 baud
ttyUSB1<*1>: ATQ0 V1 E1 -- and failed too at 115200, giving up.
Found a modem on /dev/ttyUSB0.
Modem configuration written to /etc/wvdial.conf.
ttyUSB0
[*] Done.
[/list]
Good luck!
[b]Update: [/b]
To use these modem with TelkomFlexi FlexiNet Unlimited see the following:
How to configure Venus VT-12 CDMA USB modem with TelkomFlexi
[…] you haven’t installed the modem, see this link before proceed with the following […]