产品描述：GM552A车规级车载模组

GM552A系列无线通讯模组支持LTE Cat.4，可以提供zui大50Mbps上行速率和150Mbps下行速率，并支持切换到3G或2G网络。
该模组支持分集接收。分集接收能够通过双天线提高无线连接通讯质量和通讯可靠性。

产品亮点：GM552A车规级车载模组

LGA Form Factor
GNSS
Rx diversity
LTE FDD & LTE TDD
TD-SCDMA & WCDMA & EVDO
CDMA 1x & GSM
LTE FDD: DL 150Mbps / UL 50Mbps
4-wires UART
USB 2.0
WeFOTA
-40℃ ~ 85 ℃
Auto suspend & remote wakeup

基本属性

* LGA Form Factor (199pins)

* Dimensions: 34mm × 36mm × 2.8mm

* Weight: 7.6g

* Frequency Band :

-LTE FDD/LTE TDD/WCDMA/TD-SCDMA/GSM/CDMA EVDO/CDMA 1x

* GNSS: GPS/Beidou/GLONASS/Galileo

电气及灵敏度

* Transmit Power:

--3.4V ~ 4.2V (3.8V is recommended)

* Power Supply :

--LTE: 23 ±2.7dBm (Power Class 3)

--WCDMA: 24 +1/-3dBm (Power Class 3)

--TD-SCDMA: 24 +1/-3dBm

--GSM900: 33±2dBm (Power Class 4)

--GSM1800: 30±2dBm (Power Class 1)

--CDMA: 24 ±1dBm @ All up bits

* Receiving sensitivity:

--Rx Diversity

--Exceed 3GPP standard

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

--UMTS: B1/B8

--TDSCDMA: B34/B39

--CDMA: BC0

--GSM: 900/1800 MHz

* For Europe

--LTE FDD: B1/B3/B7/B8/B20/B28

--LTE TDD:B38(B40/B41)

--UMTS: B1/B5/B8

--GSM: B2/B3/B8

数据特性

* LTE FDD

--Uplink 50Mbps / Downlink 150 Mbps

* TD-LTE

--Uplink 30Mbps / Downlink 112Mbps

* WCDMA

--Cat.4: Uplink30Mbps / Downlink 130Mbps

* WCDMA

--Uplink 5.76Mbps / Downlink 42Mbps

* TD-SCDMA

--Uplink 2.2Mbps / Downlink 2.8Mbps

* EDGE (Multi-slot Class 12)

--Uplink 236.8 kbps / Downlink 236.8 kbps

* GPRS (Multi-slot Class 10)

--Uplink 85.6 kbps / Downlink 85.6 kbps

* CDMA2000 EVDO

--Uplink 1.8Mbps / Downlink 3.1Mbps

* CDMA2000 1X

--Uplink 153.6 kbps / Downlink 153.6 kbps

应用功能

* Support WelinkOpen?

* Support Multi-APN

* Support TCP/UDP/PPP/FTP/HTTP/HTTPS/SSL/TLS/SMS protocols

* USB Selective Suspend & Remote wakeup

* Update via USB/UART/FOTA

* RAS/ECM/NDIS

* AT Commands according to 3GPP TS27.005, 27.007 and GOSUNCN extended AT commands

* RTK & DR*

短信特性

* Support Text and PDU mode

* Point to point MO and MT

* SMS Status Report

* SMS center address setting

* Management of SMS

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 ×1 (High speed up to 480Mbps)

* UART ×4

* SIM × 2(1.8/3.0V)

* SPI ×1

* SDIO ×2(wifi/emmc)

* I2C ×1

* LED ×2

* RGMII*

* PCM*

* ADC ×3(15 bits)

* GPIO >15

* Antenna (RF pads for Main, Diversity and GNSS)

* Reset & Power-on

* WAKE-IN & WAKE-OUT