SIM802 Hardware Design
z
Enhanced Full Rate (ETS 06.50 / 06.60 / 06.80)
z
Adaptive multi rate (AMR)
z
Echo Cancellation
Serial interface and
Debug interface
z
Serial Port: Seven lines on Serial Port Interface
z
Serial Port can be used for CSD FAX, GPRS service and
sending AT command of controlling module.
z
Debug port: provide two lines on Serial Port Interface /TXD
and /RXD
z
Debug port is only used for debugging
Phonebook management
Support phonebook types: SM, FD, LD, MC, RC, ON,
ME,BN,VM,LA,DC,SD
SIM Application Toolkit
Support SAT class 3, GSM 11.14 Release 99
Real time clock
Implemented
Timer function
Programmable via AT command
Physical characteristics
Size: 33±0.15 x 33±0.15 x 5.15±0.15 mm
Weight: 10g
Firmware upgrade
Firmware upgrade over serial interface
SRD frequency Bands
SIM802-A :433MHz– 434.79MHz
SIM802-B: 863MHz – 870MHz
SIM802-C: 902MHz – 928MHz
SRD modulation schemes GFSK
SRD frequency interval
100KHz
SRD maximum transmit
power
18dBm
SRD receive sensitivity
-118dBm@2400bps
SRD air interface date
rate
2400 – 128000bps
SRD TX current
consumption
100mA@18dBm (peak value)
SRD RX current
consumption
29mA
Table 4: Coding schemes and maximum net data rates over air interface
Coding scheme
1 Timeslot
2 Timeslot
4 Timeslot
CS-1:
9.05kbps
18.1kbps
36.2kbps
CS-2:
13.4kbps
26.8kbps
53.6kbps
CS-3:
15.6kbps
31.2kbps
62.4kbps
CS-4:
21.4kbps
42.8kbps
85.6kbps
SIM802_HD_V2.01
12.01.2010
16