Chapter 2 – QuickCarrier USB GPRS (MT100UCC-G2)
26
QuickCarrier Developer’s Guide
RF Performances
RF performances are compliant with 3GPP TS 05.05 (R99)
All values indicated are conducted.
Receiver Features
Category
Description
GSM 850 Sensitivity
< -108 dBm
E-GSM 900 Sensitivity
< -108 dBm
DCS 1800 Sensitivity
< -107 dBm
PCS 1900 Sensitivity
< -107 dBm
Transmitter Features
Category
Description
Maximum output power (E-GSM 900 & GSM 850)
33 dBm ± 2 dB
Maximum output power (DCS 1800 & PCS 1900)
30 dBm ± 2 dB
Changing the Quad Band
If for any reason, such as moving the modem from one geographical area to another, you want to change
the band, you can accomplish this by using the
+WMBS
AT Command.
Changing the GSM Band
Use a terminal application such as HyperTerminal for entering the AT Command.
1.
Issue command
AT+WMBS=<Band><Param>
.
Press
Enter
.
2.
Enter one of the following
<Band>
options:
4
= Dual-band mode 850/1900MHz
5
= Dual-band mode 900/1800MHz
3.
Enter one for the following
<Param>
options:
0
= Modem must be reset in order to use the specified band(s). This is the default.
1
= Modem restarts immediately using the specified band(s).
For example, type
AT+WMBS=4,0
and press
Enter
.
For additional band settings and information, refer to
GPRS AT Commands for Multi-Tech G2 Cellular
Modems
(S000463). To request this document, contact
