Sim800 hardware design v1.05
Table Of Contents
- Version History
- 1. Introduction
- 2. SIM800 Overview
- 3. Package Information
- 4. Application Interface
- 4.1. Power Supply
- 4.2. Power on/down SIM800
- 4.3. Power Saving Mode
- 4.4. RTC Backup
- 4.5. Serial Port and USB Interface
- 4.6. RI Behaviors
- 4.7. Audio Interfaces
- 4.8. Bluetooth
- 4.9. SIM Card Interface
- 4.10. PCM Interface
- 4.11. Keypad Interface
- 4.12. I2C BUS
- 4.13. General Purpose Input/Output (GPIO)
- 4.14. ADC
- 4.15. PWM
- 4.16. Network Status Indication
- 4.17. Operating Status Indication
- 4.18. KPLED
- 4.19. RF Synchronization Signal
- 4.20. Antenna Interface
- 5. PCB Layout
- 6. Electrical, Reliability and Radio Characteristics
- 6.1 Absolute Maximum Ratings
- 6.2 Recommended Operating Conditions
- 6.3 Digital Interface Characteristics
- 6.4 SIM Card Interface Characteristics
- 6.5 SIM_VDD Characteristics
- 6.6 VDD_EXT Characteristics
- 6.7 VRTC Characteristics
- 6.8 Current Consumption (VBAT=4V)
- 6.9 Electro-Static Discharge
- 6.10 Radio Characteristics
- 6.11 Module RF Receive Sensitivity
- 6.12 Module Operating Frequencies
- 7. Manufacturing
- 8. Appendix
Smart Machine Smart Decision
SIM800_Hardware Design_V1.05 11 2014-03-25
Transmitting power
z Class 4 (2W):GSM850,EGSM900
z Class 1 (1W):DCS1800,PCS1900
GPRS connectivity
z GPRS multi-slot class 12（default）
z GPRS multi-slot class 1~12 (option)
Temperature range z Normal operation:-40°C ~ +85°C
z Storage temperature -45°C ~ +90°C
Data GPRS
z GPRS data downlink transfer: max. 85.6 kbps
z GPRS data uplink transfer: max. 85.6 kbps
z Coding scheme: CS-1, CS-2, CS-3 and CS-4
z PAP protocol for PPP connect
z Integrate the TCP/IP protocol.
z Support Packet Broadcast Control Channel (PBCCH)
z CSD transmission rates:2.4,4.8,9.6,14.4 kbps
CSD z Support CSD transmission
USSD z Unstructured Supplementary Services Data (USSD) support
SMS
z MT, MO, CB, Text and PDU mode
z SMS storage: SIM card
SIM interface Support SIM card: 1.8V, 3V
External antenna Antenna pad
Audio features
Speech codec modes:
z Half Rate (ETS 06.20)
z Full Rate (ETS 06.10)
z Enhanced Full Rate (ETS 06.50 / 06.60 / 06.80)
z Adaptive multi rate (AMR)
z Echo Cancellation
z Noise Suppression
Serial port and USB
interface
Serial port:
z Full modem interface with status and control lines, unbalanced, asynchronous.
z 1200bps to 115200bps
z Can be used for AT commands for data stream
z Support RTS/CTS hardware handshake and software ON/OFF flow control
z Multiplex ability according to GSM 07.10 Multiplexer Protocol
z Autobauding supports baud rate from 1200 bps to 57600bps
USB interface:
z Can be used as debugging and firmware upgrading
Phonebook
management
Support phonebook types: SM, FD, LD, RC, ON, MC
SIM application
toolkit
Support SAT class 3, GSM 11.14 Release 99
Real time clock Support RTC
Alarm function Can be set by AT command
Physical
characteristics
Size:24*24*3mm
Weight:3.2g
Firmware upgrade Firmware upgrading by serial port and USB interface