MLB-G1101 DTU User Guide
11
Rev 1.1
1.4.2 DTU Features and Electrical Specifications
Table 2: Features and Specifications
S/N
Feature
Specifications
1
Frequency Bands
EU GSM/GPRS/EDGE: 900/1800MHz and UMTS/HSPA+:
900/2100MHz
US GSM/GPRS/EDGE: 850/1900MHz and UMTS/HSPA+:
850/1900MHz
2
RF Output Power
Class 4 (+33dBm ±2dB) for EGSM850 (quad band only)
Class 4 (+33dBm ±2dB) for EGSM900
Class 1 (+30dBm ±2dB) for GSM1800
Class 1 (+30dBm ±2dB) for GSM1900 (quad band only)
3
GSM Phase
Release 99
4
Power Supply
5 o 32 VDC
5
Power Consumption
- DATA mode : GPRS 1TX, 4RX
GSM 850/EGSM 900
GSM 1800/1900
180mA
145mA
- DATA mode : GPRS 2TX, 3RX
GSM 850/EGSM 900
GSM 1800/1900
330mA
260mA
6
Operating Temperature
Normal operation: -40°C to +85°C
Restricted operation: -40°C to -30°C, +85°C to +90°C
7
Data Transfer
GPRS
Multi-slot Class 12 max 85.6kbps (Downlink and Uplink)
Full PBCCH Support
Mobile Station Class B
Coding Scheme 1~4
PPP stack
CSD
V.110, RLP, non-transparent @2.4, 4.8, 9.6 & 14.4kbps
USSD
PPP-stack for GPRS data transfer
8
SMS
Point-to-Point MT and MO
Cell Broadcast
Text and PDU Mode
Storage: SIM Card plus 25 SMS locations in mobile equipment
Transmission of SMS alternatively over CSD or GPRS. Preferred
mode can be user defined.
9
AT Commands
AT-Hayes 3GPP TS 27.007, TS 27.005
10
TCP/IP Stack
Access by AT Commands
Internet Services include TCP, UDP, HTTP, FTP
11
Serial Interface
DB9 connector
8-wire Modem Interface with status and control lines, unbalanced,
asynchronous
Fixed bit rate: 300bps to 460,800bps
Autobauding: 1,200bps to 460,800bps
