产品描述：高新兴 GM351A车规级无线通信模组
GM351A 是基于LTE Cat.1标准的车规级无线通信模组，满足客户对于高性价比和低功耗的应用需求。
产品亮点：高新兴 GM351A车规级无线通信模组
LGA Form Factor
GNSS
VoLTE
LTE Cat.1/GSM双模全频段
IATF16949
APQP、PPAP
超宽温度范围（-40 °C ~ +85 °C）
通过1800h高温耐久工作试验
支持多个网络协议
WeFOTA
WelinkOpen
Auto suspend & remote wakeup
基本属性
* LGA Form Factor
* Dimensions: 32mm × 32mm × 2.9mm
* Weight: 5.0g
* Frequency Band :
-LTE FDD/LTE TDD/GSM
* GNSS: GPS/Beidou/GLONASS/Galileo
电气及灵敏度
* Transmit Power:
--3.4V ~ 4.5V (3.8V is recommended)
* Power Supply :
--LTE: 23 ±2.7dBm (Power Class 3)
--GSM900: 33±2dBm (Power Class 4)
--GSM1800: 30±2dBm (Power Class 1)
环境适应性
* Operation temperature: -30°C to +75°C
* Extreme Operating temperature: -40°C to +85°C
* Storage temperature: -40°C to +85°C
* Humidity: 5%~ 95%
频段信息：PID--Band
* For China
--LTE FDD: B1/B3/B5/B8
--LTE TDD: B38/B39/B40/B41
--GSM: 900/1800 MHz
数据特性
* LTE FDD
--Uplink 5Mbps / Downlink 10 Mbps
* TD-LTE
--Uplink 3.1Mbps / Downlink 8.9Mbps
* EDGE (Multi-slot Class 12)
--Uplink 236.8 kbps / Downlink 296 kbps
* GPRS (Multi-slot Class 10)
--Uplink 85.6 kbps / Downlink 107 kbps
应用功能
* Support GOSUNCN WelinkOpen* secondary development
* Support Android 4.x/5.x/6.x/7.x/8.x/9.xRIL driver
* TCP/UDP/FTP/HTTP/HTTPS*/SSL*/TLS*/NTP*/MQTT*/PING*/SMS*/FILE*/CMUX*
* Sleep/wake up*
* Phone book *
* ECM/RNDIS*
* Local difference/FW Updater*
* Support3GPP TS27.005, 27.007
* Support GOSUNCN enhanced AT command
音频特性
* Voice mode:FR/EFR/HR/AMR-NB /MP3
* Echo algorithm:echo cancellation/noise suppression
* VoLTE
* Stereo output
* Audio
驱动&工具
* Drivers
--Windows XP, Vista, 7 , 8, Win CE, Windows M o b i l e
--Linux 2.6.20 or above
--Android 4.x/5.x/6.x/7.x/8.x
* Diag-log Tool
* Firmware Update Tool
模组接口
* USB 2.0 (maximum 480Mbps)
* UART
* SIM(1.8/3.0V)
* SPI
* SDIO(wifi/emmc)
* I2C
* I2S
* LED
* PCM
* ADC(12-bit precision)
* GPIO
* Antenna (RF pads for Main, GNSS)
* Power on: low level/pulsen
* Reset (active low)
* WAKE-IN & WAKE-OUT
* Mic & EAR & LINEOUT (differential output)
