Installation Instructions
Table Of Contents
- Contents
- List of Table
- List of Figures
- 1 About this document
- 2 Product Overview
- 3 Mechanical Dimensions
- 4 Interface description
- 4.1 Pin Definition
- 4.2 Operating conditions
- 4.3 Digital logic characteristics
- 4.4 Power interface
- 4.5 USIM card interface
- 4.6 PCM interface
- 4.7 USB2.0 interface
- 4.8 UART interface
- 4.9 SPI interface
- 4.10 I2C interface
- 4.11 Network light
- 4.12 System Status Indication
- 4.13 Flight Mode
- 4.14 Forced USB download interface
- 4.15 SD card interface
- 4.16 SDIO_WIFI/EMMC interface
- 4.17 PCIe interface
- 4.18 RMII/RGMII interface
- 4.19 AUDIO interface
- 4.20 ADC
- 4.21 GPIOs
- 4.22 Power on/off and reset interface
- 4.23 Antenna interface
- 5 Product characteristics
- 6 Design Guideline
- 7 Storage, Production and Package
- 8 Safety Information
- 空白页面
- 空白页面
L508 Hardware Design
Copyright© Shanghai Mobiletek Communication Ltd 21
GPS L1 BAND 1574.4～1576.44 MHz
GLONASS 1598～1606 MHz
BEIDOU B1 1559.05～1563.14 MHz
Table 5 Conducted transmission power
Working band Maximum power Minimum Power
UMTS850 24dBm +1/-3dB <-50dBm
UMTS900 24dBm +1/-3dB <-50dBm
UMTS1900 24dBm +1/-3dB <-50dBm
UMTS2100 24dBm +1/-3dB <-50dBm
GSM900 33dBm ±2dB 5dBm ± 5dB
DCS1800 30dBm ±2dB 0dBm ± 5dB
GSM900(8-PSK) 27dBm ±3dB 5dBm ± 5dB
DCS1800(8-PSK) 26dBm +3/-4dB 0dBm ± 5dB
FDD_LTE B1 23dBm +/-2.7dB <-40dBm
FDD_LTE B2 23dBm +/-2.7dB <-40dBm
FDD_LTE B3 23dBm +/-2.7dB <-40dBm
FDD_LTE B4 23dBm +/-2.7dB <-40dBm
FDD_LTE B5 23dBm +/-2.7dB <-40dBm
FDD_LTE B7 23dBm +/-2.7dB <-40dBm
FDD_LTE B8 23dBm +/-2.7dB <-40dBm
FDD_LTE B20 23dBm +/-2.7dB <-40dBm
FDD_LTE B28 23dBm +/-2.7dB <-40dBm
TDD_LTE B34 23dBm +/-2.7dB <-40dBm
TDD_LTE B38 23dBm +/-2.7dB <-40dBm
TDD_LTE B39 23dBm +/-2.7dB <-40dBm
TDD_LTE B40 23dBm +/-2.7dB <-40dBm