SIM7670G - LTE Cat-1 10Mbps GNSS Module | SIMCom
料号： SIM7670G ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $11.24 | $11.24 |
| 10 | $10.68 | $106.80 |
| 100 | $10.12 | $1,012.00 |
| 500 | $9.56 | $4,780.00 |
| 1,000 | $9.01 | $9,010.00 |
SIM7670G 概述
An LTE Cat-1 module is a cellular IoT device category defined for machine-type communications that balances moderate data throughput with low cost and wide 4G LTE network coverage. Within the power-management hierarchy of connected devices, cellular modules such as the SIM7670G sit alongside NB-IoT (Cat-M/NB1) modules and full Cat-4 modems, occupying the sweet spot for devices that need several megabits per second, voice capability, and fallback-free LTE-only connectivity as 2G/3G networks sunset worldwide.
Key features include Cat-1 peak rates of 10 Mbps DL and 5 Mbps UL, integrated GNSS receiver for positioning alongside cellular data, voice call support, and a supply voltage range of 3.4 V to 4.2 V. Typical quiescent/standby current figures of approximately 3 mA are cited by distributors for comparable SIMCom Cat-1 modules, and the module exposes a rich industrial interface set: UART, USB, I2C, SPI, GPIO, ADC, and SIM card interfaces.
Technically, the SIM7670G uses the Qualcomm platform, which distinguishes it from the pin-similar SIMCom A7670X series based on the ASR platform; AT command compatibility across the SIMCom module ecosystem shortens software integration cycles. Embedded network protocol stacks and USB drivers for Windows, Linux, and Android reduce host-side development effort.
Typical applications include cellular IoT gateways, vehicle trackers and telematics units, payment terminals, smart metering backhaul, and Raspberry Pi/ESP32-based HAT designs such as the Waveshare SIM7670G LTE Cat-1/GNSS HAT and LilyGo T-SIM7670G-S3.
Design consideration: because the module requires a tightly regulated 3.4-4.2 V supply with adequate burst-current headroom during RF transmission, budget the power rail carefully and follow the manufacturer hardware design guide for antenna and keep-out layout.
This page synthesizes distributor pricing, regional variant comparisons, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： SIM7670G ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
快速对比工具——选择替代料号进行并排对比：
SIM7670E
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$8.95 / 个
查看数据手册 →SIM7670SA
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
A7670G
✅ 直接替换📋 参考替代料（不在目录中）
SIM7670G 规格参数（制造商发布）
| Product Type | LTE Cat-1 cellular module with GNSS |
| Chipset Platform | Qualcomm QCX216 |
| Wireless Standards | LTE-FDD, LTE-TDD (4G LTE) |
| Peak Downlink Rate | 10 Mbps |
| Peak Uplink Rate | 5 Mbps |
| GNSS Support | Yes (integrated GNSS receiver) |
| Voice Support | Yes |
| Supply Voltage Range | 3.4 V to 4.2 V |
| Region Variant | G (Global) |
| Form Factor | LCC+LGA, SMT |
| Package Dimensions | 24.0 x 24.0 mm |
| Interfaces | UART, USB, I2C, SPI, GPIO, ADC, SIM card |
| Host OS USB Drivers | Windows, Linux, Android |
| AT Command Compatibility | SIMCom module series (A7670X series AT set per Seeed Studio spec document) |
| 安装类型 | Surface Mount (SMD) |
| RoHS 状态 | Compliant (per JLCPCB listing) |
SIM7670G 接口与连接器
SIM7670G 提供制造商发布的以下接口和连接器：无线, 功率输入, USB。扩展排针引脚定义、连接器引脚编号和电气限值在制造商文档中定义。
| 无线 | LTE-FDD, LTE-TDD (4G LTE) |
| 功率输入 | 3.4 V to 4.2 V |
| USB | Windows, Linux, Android |
请参阅 制造商文档 以查看完整的扩展排针引脚和连接器引脚编号。
功率与热特性
| 功率输入 | 3.4 V to 4.2 V |
SIM7670G 的功率输入和热参数（由制造商发布）。
典型应用
SIM7670G 适用于 6 应用s: Cellular IoT Gateways, Vehicle Tracking and Telematics, Payment Terminals and POS, Raspberry Pi HAT Development, Smart Metering Backhaul, ESP32-S3 Cellular Development Boards.
Cellular IoT Gateways
The SIM7670G fits IoT gateway designs that need reliable broadband backhaul without Cat-4 cost: its 10 Mbps downlink and 5 Mbps uplink LTE Cat-1 rates comfortably aggregate multiple downstream sensor nodes over MQTT or HTTP, while the Qualcomm QCX216 platform runs embedded network protocols natively. The module connects to the gateway MCU via USB (with Windows, Linux, and Android drivers) or UART, and I2C/SPI/GPIO interfaces handle peripherals such as secure elements and status LEDs. Compared with NB-IoT alternatives, Cat-1 keeps latency low for command-and-control traffic; compared with Cat-4 parts like SIM7600, it trims cost and power. Design the 3.4-4.2 V supply rail with burst-current headroom for RF transmission peaks.
推荐
Vehicle Tracking and Telematics
Fleet trackers and telematics units benefit from the SIM7670G's combination of LTE Cat-1 data, integrated GNSS positioning, and voice support in one 24 x 24 mm module, removing the need for a separate GPS receiver and its antenna floor space. The 10 Mbps/5 Mbps throughput supports periodic position batch uploads, driver-interaction voice channels, and over-the-air firmware updates to the host MCU. Operating from a 3.4-4.2 V supply, the module pairs naturally with vehicle battery input through a buck regulator sized for RF burst currents. UART and ADC interfaces simplify integration with ignition sensing and external peripherals, while AT command compatibility with the wider SIMCom ecosystem shortens firmware porting from legacy 2G trackers being retired as 2G networks shut down.
推荐
Payment Terminals and POS
Payment terminals require authenticated, low-latency cellular connectivity plus audio capability for cardholder interaction - precisely the SIM7670G's profile. LTE Cat-1's 10 Mbps downlink handles TLS-encrypted transaction traffic and terminal software updates quickly, while voice call support enables assisted-payment and verification flows that data-only NB-IoT modules cannot serve. The Qualcomm QCX216 platform's built-in network protocols offload the terminal's main SoC, and the USB interface with Android driver support suits smart-POS designs built on Android platforms. The 3.4-4.2 V input maps efficiently onto single-cell lithium battery packs common in handheld terminals. Refer to the manufacturer hardware design document for SIM slot, antenna, and audio circuit layout requirements to pass payment-industry EMC and reliability testing.
推荐
Raspberry Pi HAT Development
The Waveshare SIM7670G LTE Cat-1/GNSS HAT demonstrates the module's suitability for Raspberry Pi projects: a 4-pin DIP switch routes the module's UART to the Pi's GPIO header and provides ON/OFF and programming-mode control, while the Pi's 5 V rail is converted to the module's 3.4-4.2 V domain. Developers gain 10 Mbps downlink / 5 Mbps uplink connectivity plus GNSS for location-aware applications such as remote monitoring, mobile dashboards, and field data loggers. Community libraries including TinyGSM and TinyGPSPlus provide PPP and NMEA integration out of the box. Because the module draws burst currents during LTE transmission, size the HAT's buck converter and input cabling adequately, and keep the GNSS and LTE antennas separated per the hardware design guide to preserve positioning sensitivity.
推荐
Smart Metering Backhaul
Electricity, water, and gas meters increasingly use LTE Cat-1 as 2G/3G sunsets, and the SIM7670G provides the right balance: 10 Mbps/5 Mbps rates comfortably carry interval metering data, DLMS/COSEM-over-TCP sessions, and firmware updates, while Cat-1 network coverage reuses existing LTE basestation infrastructure without Cat-M dependency. The module's 3.4-4.2 V input and low standby characteristics cited for the SIMCom Cat-1 family (approximately 3 mA class) suit battery-buffered meter designs, and the UART plus I2C interfaces connect cleanly to metering MCUs and metrology front ends. The global G-region variant simplifies sourcing for multi-country meter deployments. Follow the manufacturer hardware design guide for antenna placement inside meter enclosures, which are often metallic and require external antenna routing.
推荐
ESP32-S3 Cellular Development Boards
The LilyGo T-SIM7670G-S3 pairs the SIM7670G with an ESP32-S3 (240 MHz, 16 MB flash, 8 MB PSRAM, Wi-Fi 802.11 b/g/n, Bluetooth 5 LE) and a TF card slot, creating a compact cellular development platform. The SIM7670G's UART links to the ESP32-S3, and the open-source LilyGo-Modem-Series firmware plus TinyGSM, TinyGPSPlus, PubSubClient, and ArduinoHttpClient libraries provide cellular data, GNSS, and MQTT connectivity within the Arduino ecosystem. LTE Cat-1's 10 Mbps/5 Mbps rates make the board practical for IoT prototypes that stream sensor batches, receive OTA updates, or bridge Wi-Fi and cellular networks. Developers should manage the module's power-on sequence through the documented control pins and verify the 3.4-4.2 V rail stability during simultaneous Wi-Fi and LTE activity.
推荐
推荐产品汇总
工程参考数据： SIM7670G ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | SIM7670E | SIM7670SA | A7670G |
|---|---|---|---|---|
| Package | LCC+LGA 24x24 mm SMT | LCC+LGA 24x24 mm - same series | LCC+LGA 24x24 mm - same series | LCC+LGA 24x24 mm - similar footprint |
| Brand | SIMCom Wireless Solutions | SIMCom Wireless Solutions | SIMCom Wireless Solutions | SIMCom Wireless Solutions |
| Network Standard | LTE-FDD / LTE-TDD Cat-1 | LTE-FDD / LTE-TDD Cat-1 | LTE-FDD / LTE-TDD Cat-1 | GSM, FDD-LTE, TDD-LTE Cat-1 |
| Peak Downlink Rate | 10 Mbps | 10 Mbps | 10 Mbps | 10 Mbps (Cat-1 class) |
| Peak Uplink Rate | 5 Mbps | 5 Mbps | 5 Mbps | 5 Mbps (Cat-1 class) |
| Chipset Platform | Qualcomm QCX216 | Qualcomm | Qualcomm | ASR |
| Supply Voltage | 3.4 V to 4.2 V | 3.4 V to 4.2 V (series typical) | 3.4 V to 4.2 V (series typical) | 3.4 V to 4.2 V |
| Region Variant | G (Global) | E (Europe) | SA (Americas) | G (Global) |
关键差异点
- Qualcomm QCX216 platform with voice support （对比 A7670G)
- Global band coverage in one SKU （对比 SIM7670E)
- Integrated GNSS removes a discrete GPS receiver （对比 SIM7600G-H)
设计说明
The SIM7670G requires a 3.4 V to 4.2 V supply per JLCPCB listing. LTE transmission draws pulsed burst currents well above average levels; size the DC-DC converter and input capacitors for these peaks to avoid brown-out resets during transmit. A single Li-ion cell (3.7 V nominal) is ideal. Estimated: if bursts reach 0.5 A class at 3.7 V, a 100-470 uF bulk capacitor near the module VBAT pins plus low-ESR ceramics absorbs droop - verify exact burst figures against the manufacturer hardware design guide, which contains the authoritative power supply design section.
Place the module per the SIM7670G hardware design document: keep the LTE antenna feed (50-ohm controlled impedance) short, separate the GNSS antenna from the LTE antenna to protect positioning sensitivity, and honor module keep-out zones underneath for RF performance. The LCC+LGA pad pattern requires precise stencil design for reflow on the 24 x 24 mm footprint. Ground stitching vias around the module perimeter improve RF grounding; follow the reference layout in the manufacturer design guide rather than improvising the RF section.
Do not treat the SIM7670G and A7670G as interchangeable without validation: per the LilyGo platform comparison, SIM7670G uses the Qualcomm platform while A7670X uses ASR, so firmware, some AT commands, and possibly pin functions differ even in similar footprints. Also, 3.3 V logic hosts should verify UART level compatibility (module I/O domains are documented in the hardware design guide) before direct connection. Finally, when migrating from SIM800L 2G designs, expect a different supply range and higher peak currents.
合规信息
RoHS compliance stated on JLCPCB listing (LCC-LGA-124_24x24mm SMT ROHS). REACH, lead-free, halogen-free, and conflict-minerals status not stated in provided web data.
