Altec gsm socket al7024s Manuale Utente

AL7020S, AL7024S Designer’s Guide 

 

Doc. No. DG_7024E 

Altec Electronic AG  

Seite 6 / 32 

 
 
 

Product Features 

Operating 
systems:

 

EGSM: 900/1800 MHz 
GSM: 850/1900 MHz

 

Physical Characteristics 

Size:

 

64.5 x 26.5 mm Socket 
Modem Form Faktor  

Mounting: 

Through DIL-64 connectors 

Weight:  

Environmental 

Operational 
temp. 

-20°C +60° C 

Functional temp.  -30°C +70° C 

Storage temp. 

-40°C +85°C 

Performance 

Operating 
Voltage: 

3.3V / 5V 

Current 
consumption : 

< 2.5 mA @ DRX9 (Idle 
mode 

Tx power: 

• 0.8 W, 850 MHz 
• 2 W, 900 MHz 
• 1 W, 1800/1900 MHz 

Interfaces 

Connectors: 

• DIL-64 Header (RM2) 
• RF MMCX 

SIM Card: 

• Local SIM connectivity 
• 32K SIM 
• 1.8 / 3.0 V 

Serial RS232: 

• BR from 300 bps to 115  
   Kbps 
• Auto BR from 300 bps 
   to 115 Kbps 

Data Features 

GPRS:  

• Multi-slot class 8 / 10 
  (4 down; 2 up) 
• Max BR 85.6 Kbps 
• Class B GSM 07.10 
   multiplexing protocol 
• Coding scheme CS1-CS4 

CSD: 

Max BR 14.4 Kbps 

SMS:  

• MO/MT Text and PDU  
   modes 
• Cell broadcast 

FAX Class 1 

 

 
 
 
 
 
 
 

 
 
 
 

 

 

Voice Functions 

Telephony 
Digital audio 
Differential analog audio lines 
Vocoders EFR/ER/FR/AMR 
DTMF support 
Audio control: echo cancellation, noise 
suppression, side tone and gain control

 

GSM Supplementary Services 

USSD Phase II 
Call forwarding 
Call hold, waiting and multiparty 
Call diverting 
Missed-call indicator 
AOC 
Call barring

 

Character Set 

UTF8 
UCS2

 

Control / Status Indicators 

GPRS coverage 
Wakeup 
TX enable 
Reset

 

Features over RS232 

Embedded TCP/IP stack 
STK Class II

 

Emergency and Location 

FCC E911 Phase II Location Mandate using 
EOTD

 

AT Command Set 

GSM 07.05 
GSM 07.07 
Motorola proprietary AT commands

 

Accessories 

Developer Kit 
Antennas 
RF Cables