UMTS/HSPA Module Series
UC20 Hardware Design
UC20_Hardware_Design Confidential / Released 13 / 84
Table 2: UC20 Key Features
Feature
Details
Power Supply
Supply voltage: 3.4V~4.3V
Typical supply voltage: 3.8V
Frequency Bands
UC20-A: UMTS850/1900
Transmission Data
HSPA R6: Max 14.4Mbps (DL)/Max 5.76Mbps (UL)
UMTS R99: Max 384kbps (DL)/Max 384kbps (UL)
CSD: 14.4kbps
Transmitting Power
Class 3 (22.5dBm+1/-1dB) for UMTS 850/1900/
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.
Internet Protocol Features
Support TCP/PPP/UDP protocols
Support the protocols PAP (Password Authentication Protocol) and
CHAP (Challenge Handshake Authentication Protocol) usually used
for PPP connections.
SMS
Text and PDU mode
Point to point MO and MT
SMS cell broadcast
SMS storage: ME by default
USIM Interface
Support USIM/SIM card: 1.8V, 3.0V
Audio Features
Support one digital audio interface: PCM interface
WCDMA: AMR/AMR-WB
Echo cancellation and noise suppression
PCM Interface
Used for audio function with external codec.
Support 8-bit A-law, μ-law and 16-bit linear data formats.
Support long frame sync and short frame sync.
Support master and slave mode, but must be the master in long frame
sync.
UART Interface
Support two UART interfaces: main UART interface and debug UART
interface
