Quectel SC20 Series - Page 19

Smart Module Series
SC20_Series_Hardware_Design 18 / 133
Memory
SC20-CE R1.1/-CEL R1.1, SC20-E/-EL, SC20-A/-AL, SC20-AU/-AUL,
SC20-J/-JL, SC20-EU:
8 GB eMMC + 1 GB LPDDR3 (default)
16 GB eMMC + 2 GB LPDDR3 (optional)
SC20-AX, SC20-EX:
4 Gb NAND + 4 Gb LPDDR2
Operating System Android/Linux
Power Supply
Supply voltage: 3.5–4.2 V
Typical supply voltage: 3.8 V
Transmitting Power
Class 4 (33 dBm ±2 dB) for GSM850 and EGSM900
Class 1 (30 dBm ±2 dB) for DCS1800 and PCS1900
Class E2 (27 dBm ±3 dB) for GSM850 and EGSM900 8-PSK
Class E2 (26 dBm ±3 dB) for DCS1800 and PCS1900 8-PSK
Class 3 (24 dBm +1/-3 dB) for WCDMA bands
Class 3 (24 dBm +3/-1 dB) for EVDO/CDMA BC0
Class 2 (24 dBm +1/-3 dB) for TD-SCDMA bands
Class 3 (23 dBm ±2 dB) for LTE-FDD bands
Class 3 (23 dBm ±2 dB) for LTE-TDD bands
LTE Features
Supports 3GPP R10 Cat 4 FDD and TDD
Supports 1.4/3/5/10/20 MHz RF bandwidth
Supports DL 2 × 2 MIMO
 FDD: Max. 150 Mbps (DL)/Max. 50 Mbps (UL)
 TDD: Max. 130 Mbps (DL)/Max. 30 Mbps (UL)
UMTS Features
Supports 3GPP R8 DC-HSDPA/HSPA+/HSDPA/HSUPA/WCDMA
Supports 16QAM, 64QAM and QPSK modulation
 DC-HSDPA: Max. 42 Mbps
 HSUPA: Max. 5.76 Mbps
 WCDMA: Max. 384 kbps (DL)/Max. 384 kbps (UL)
TD-SCDMA Features
Supports CCSA Release 3 TD-SCDMA
 Max. 4.2 Mbps (DL)/Max. 2.2 Mbps (UL)
CDMA2000 Features
Supports 3GPP2 CDMA2000 1X Advanced, CDMA2000 1xEV-DO Rev.A
 EVDO: Max. 3.1 Mbps (DL)/Max. 1.8 Mbps (UL)
 1X Advanced: Max. 307.2 kbps (DL)/Max. 307.2 kbps (UL)
GSM Features
R99:
CSD: 9.6 kbps, 14.4 kbps
GPRS:
Supports GPRS multi-slot class 33 (33 by default)
Coding scheme: CS-1, CS-2, CS-3 and CS-4
Max. 107 kbps (DL)/Max. 85.6 kbps (UL)
EDGE:
Supports EDGE multi-slot class 33 (33 by default)
Support GMSK and 8-PSK for different MCS