User's Manual
UMTS/HSPA Module Series
UC20 User Manual
UC20_Hardware_Design Confidential / Released 14 / 84
2.3. Key Features
The following table describes the detailed features of UC20 module.
Table 2: UC20 Key Features
Feature
Details
Power Supply
Supply voltage: 3.3V~4.3V
Typical supply voltage: 3.8V
Frequency Bands
UC20-G: GSM850/900/1800/1900, UMTS800/850/900/1900/2100
Transmission Data
HSPA R6: Max 14.4Mbps (DL)/Max 5.76Mbps (UL)
UMTS R99: Max 384kbps (DL)/Max 384kbps (UL)
EDGE: Max 236.8kbps (DL)/Max 236.8kbps (UL)
GPRS: Max 85.6kbps (DL)/Max 85.6kbps (UL)
CSD: 14.4kbps
Transmitting Power
Class 4 (33dBm±2dB) for GSM850 and EGSM900
Class 1 (30dBm±2dB) for DCS1800 and PCS1900
Class E2 (27dBm±3dB) for GSM850 and EGSM900 8-PSK
Class E2 (26dBm+3/-4dB) for DCS1800 and PCS1900 8-PSK
Class 3 (24dBm+1/-3dB) for UMTS800/850/900/1900/2100
HSPA and UMTS Features
HSPA data rate is corresponded with 3GPP R6. 14.4Mbps on downlink
and 5.76Mbps on uplink.
WCDMA data rate is corresponded with 3GPP R99/R4. 384kbps on
downlink and 384kbps on uplink.
Support both 16-QAM and QPSK modulation.
GSM/GPRS/EDGE
Data Features
GPRS:
Support GPRS multi-slot class 12 (10 by default)
Coding scheme: CS-1, CS-2, CS-3 and CS-4
Maximum of four Rx time slots per frame
EDGE:
Support EDGE multi-slot class 12 (12 by default).
Support GMSK and 8-PSK for different MCS (Modulation and Coding
scheme).
Downlink coding schemes: CS 1-4 and MCS 1-9
Uplink coding schemes: CS 1-4 and MCS 1-9
CSD:
CSD transmission rates: 14.4kbps non-transparent
Support Unstructured Supplementary Services Data (USSD).
Internet Protocol Features
Support TCP/UDP/PPP/FTP/SMTP/HTTP/FILE/MMS/SSL protocols
Support the protocols PAP (Password Authentication Protocol) and
CHAP (Challenge Handshake Authentication Protocol) usually used