GM552A无线通信模组是一款生产和设计按照IATF 16949:2016要求,遵循汽车电子严格的质量管控流程打造的车规级模组。GM552A系列模组支持LTE Cat.4,可提供最大50Mbps上行和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,通过主分集双天线提高无线连接通信质量和可靠性。支持宽温范围工作,具有较好的EMC特性,良好的机械特性和高可靠性。
GM552A模组支持多种网络协议(PAP、CHAP、TCP、UDP)和多种功能(GNSS, Remote wakeup, SMS, WelinkOpen™等),可应用在诸多车联网应用场景。
产品亮点:
- 采用高通车规级芯片平台开发,性能卓越
- 4G/3G/2G七模全网通,畅行无忧
- LTE Cat.4 150Mbps DL/50Mbps UL,高速连接
- LGA封装,适合车载领域
- 高精度定位GNSS+RKT
- 专为有 IATF 16949:2016标准需求的汽车领域应用而设计
- 符合车载要求的GSDK接口和AT指令集
- 通过1800h高温耐久工作试验
- 超宽温度范围(-40 °C ~ +85 °C),可以在 95 °C 环境温度下支持eCall 功能
| 基本属性 | - LGA 封装 (199pins) - 尺寸: 34mm × 36mm × 2.9mm - 重量: 7.6g - 频段 : LTE FDD/LTE TDD/WCDMA/TD-SCDMA/GSM/CDMA EVDO/CDMA 1x GNSS: GPS/Beidou/GLONASS/Galileo |
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 - SGMII* - PCM* - ADC ×3(15 bits) - GPIO >15 - Antenna (RF pads for Main, Diversity and GNSS) - Reset & Power-on - WAKE-IN & WAKE-OUT |
| 频段信息 |
- For China LTE FDD: B1/B3/B5/B8 LTE TDD: B34/B38/B39/B40/B41 UMTS: B1/B8 TDSCDMA: B34/B39 CDMA: BC0 GSM: 900/1800 MHz |
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| 电气特性及灵敏度 | - Power Supply : 3.4V ~ 4.2V (3.8V is recommended) - Transmit Power: 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 |
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 & QDR* |
| 数据特性 |
- LTE:Uplink 50Mbps / Downlink 150 Mbps - TD-LTE:Uplink 30Mbps / Downlink 112Mbps - 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 / Downlink85.6 kbps - CDMA2000 EVDO:Uplink1.8Mbps / Downlink 3.1Mbps - CDMA2000 1:Uplink 153.6 kbps / Downlink 153.6 kbps |
短信功能 | - Support Text and PDU mode - Point to point MO and MT - SMS Status Report - SMS center address setting - Management of SMS |
| 环境适应性 | - Operation temperature:-30°C ~ +75°C - Extreme Operating temperature:-40°C~+85°C - Ecall temperature:+95°C - Humidity:5%~ 95% |
驱动&工具 | - Drivers Windows XP, Vista, 7 , 8, Win CE, Windows Mobile Linux 2.6.20 or above Android 4.x/5.x/6.x/7.x/8.x - Diag-log Tool - Firmware Update Tool |

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