A7670E - LTE Cat-1 GSM/GPRS IoT Module | SIMCom
부품 번호: A7670E ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $8.68 | $8.68 |
| 10 | $8.25 | $82.50 |
| 100 | $7.6 | $760.00 |
| 500 | $6.95 | $3,475.00 |
| 1,000 | $6.3 | $6,300.00 |
A7670E 개요
An LTE Cat-1 module is a category of 4G LTE wireless transceiver defined by 3GPP UE Category 1, which provides moderate data throughput with lower cost and power than Cat-4 and above. Within the system hierarchy, the A7670E sits at the connectivity layer of an IoT device: sensor/MCU -> application processor or microcontroller -> cellular module -> LTE network. Cat-1 modules are the standard migration path from 2G (GSM/GPRS) and NB-IoT/Cat-M radios as 2G/3G networks sunset worldwide.
Key features include the LCC+LGA footprint compatible with SIM7000, SIM7070, SIM800A, and SIM800F series modules, enabling pin-compatible migration from 2G/NB/Cat-M designs to LTE Cat-1 with minimal PCB changes. Interfaces cover USB 2.0, UART, I2C, GPIO, ADC, and SIM card, and voice and SMS are supported alongside packet data.
Technically, the A7670E integrates an LTE Cat-1 modem with multi-band RF front end (LTE B1/B3/B5/B7/B8/B20 plus GSM 900/1800 MHz are cited for regional variants such as A7670E-LASE). The module supports AT command control, making firmware integration straightforward on virtually any microcontroller platform including ESP32, STM32, Arduino, and Raspberry Pi.
Typical applications include asset trackers, smart metering, payment terminals, vehicle telematics, and industrial gateways that require reliable M2M cellular connectivity with voice/SMS fallback. The compact 24 x 24 mm SMD footprint suits high-density designs.
Design consideration: supply the module from a low-impedance 3.8V rail capable of handling LTE burst currents; insufficient decoupling causes brownout resets during transmit bursts. Antenna layout and keep-out zones follow the SIMCom hardware design guide.
This page synthesizes distributor pricing, drop-in migration options, and practical design notes not found in the manufacturer datasheet.
드롭인 대체품: A7670E — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: A7670E (동일 폼 팩터 및 풋프린트) — 차이점: Footprint Compatibility, Product Series.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
이 제품에는 사용 가능한 드롭인 대체품이 없습니다.
대체품 요청A7670E 사양 (제조사 공개)
| Product Type | LTE Cat-1 cellular module with GSM/GPRS/EDGE fallback |
| Network Standards | LTE Cat-1 / GSM / GPRS / EDGE |
| Downlink Data Rate | Up to 10 Mbps |
| Supply Voltage Range | 3.4 V to 4.2 V (typical 3.8 V) |
| LTE Bands (A7670E-LASE variant) | B1/B3/B5/B7/B8/B20 |
| GSM Bands | 900 MHz / 1800 MHz |
| Interfaces | USB, UART, I2C, GPIO, ADC, SIM card |
| Control Interface | AT commands |
| Package Type | LCC+LGA |
| Package Dimensions | 24 x 24 mm |
| Footprint Compatibility | SIM7000 / SIM7070 / SIM800A / SIM800F series |
| 실장 유형 | SMD |
| Regional Coverage | Europe, Southeast Asia, West Asia, Africa, China, South Korea |
| Voice / SMS | Supported |
| Positioning | LBS (location-based service); GNSS depends on variant |
| RoHS 상태 | Compliant (per JLCPCB listing for A7670E-FASE) |
A7670E 인터페이스 및 커넥터
A7670E은(는) 제조사에서 공개한 대로 다음 인터페이스와 커넥터를 제공합니다: 전력 입력. 확장 헤더 핀아웃, 커넥터 핀 번호, 전기적 한계는 제조사 문서에 정의되어 있습니다.
| 전력 입력 | 3.4 V to 4.2 V (typical 3.8 V) |
다음을 참조하십시오: 제조사 문서 전체 확장 헤더 핀아웃 및 커넥터 핀 번호는 다음을 참조하십시오.
전력 및 열 특성
| 전력 입력 | 3.4 V to 4.2 V (typical 3.8 V) |
제조사에서 공개한 A7670E의 전력 입력 및 열 파라미터입니다.
일반적인 애플리케이션
A7670E 적합 용도: 6 애플리케이션s: Asset Tracking and Fleet Telematics, Smart Metering and Smart Grid, Payment Terminals and POS, Industrial IoT Gateways, Security and Alarm Systems, Portable and Maker IoT Devices.
Asset Tracking and Fleet Telematics
The A7670E is a strong fit for vehicle trackers and fleet telematics because LTE Cat-1 delivers 10 Mbps downlink / 5 Mbps uplink - ample for position reporting, geofencing, and driver-app communication - while GSM/GPRS fallback preserves connectivity in areas without LTE coverage. The module's 3.4V-4.2V supply range matches a single Li-ion cell directly, simplifying battery-powered tracker power design, and the 24 x 24 mm LCC+LGA footprint keeps the radio section compact on dense PCBs. In a typical architecture, an MCU reads GNSS or LBS position data and forwards NMEA/AT traffic over UART to the A7670E, which establishes TCP/UDP or MQTT sessions over the carrier network. The I2C and ADC interfaces allow battery-voltage monitoring and peripheral expansion without extra components.
추천
Smart Metering and Smart Grid
Smart electricity, gas, and water meters require long-life, low-cost wide-area connectivity - exactly the niche LTE Cat-1 occupies as 2G networks sunset. The A7670E's footprint compatibility with the SIM800F 2G module means meter OEMs can refresh an existing PCB design to LTE Cat 1 without a full redesign, protecting certified metering hardware investments. Its AT command interface lets a metering MCU push DLMS/COSEM or MQTT telemetry over TCP, and 10 Mbps downlink supports firmware-over-the-air updates of large meter firmware images. The module's regional band variants (B1/B3/B5/B7/B8/B20 on the LASE build) cover European and Asian utility deployments. Burst-current handling via a well-decoupled 3.8 V rail is the main hardware consideration in sealed meter enclosures.
추천
Payment Terminals and POS
Payment terminals need reliable, secure cellular data with voice/SMS backup - the A7670E provides LTE Cat-1 data (10 Mbps downlink) plus voice call and SMS support in one module. The 24 x 24 mm LCC+LGA package fits the compact, impact-resistant enclosures typical of handheld POS devices, and the USB 2.0 interface offers the throughput and driver support that Linux/Android-based payment platforms expect. Footprint compatibility with the SIM800 series lets POS makers migrate 2G-only designs as GSM networks retire, without changing mechanical enclosures or antennas. The 3.4V-4.2V supply range aligns with Li-ion battery packs used in portable terminals, and ADC inputs support battery gauging. CE certification documentation for the A7670E is available from SIMCom for regulatory filings.
추천
Industrial IoT Gateways
Industrial gateways aggregate Modbus, CAN, or sensor-bus traffic and backhaul it over cellular - the A7670E serves as the WAN radio, providing 10 Mbps LTE Cat-1 downlink that comfortably carries aggregated telemetry, OPC-UA payloads, and remote-configuration sessions. Its AT command interface works over UART with any industrial MCU, while the USB interface supports Linux-based edge gateways (Raspberry Pi, ESP32-S3 carrier boards such as the Waveshare A7670E-4G). GSM/EDGE fallback ensures uptime where LTE coverage is weak. The module's -controlled GPIO pins give the host direct network-status and ring indications for watchdog logic. Hardware-wise, designers should place bulk capacitance near the VBAT pins because LTE burst currents stress long power traces common in DIN-rail gateway layouts.
추천
Security and Alarm Systems
Intrusion alarms, elevator emergency phones, and surveillance panels rely on the A7670E's voice and SMS support in addition to LTE data - the module can place a voice call to a monitoring center or send SMS alerts even when the IP path is unavailable. LTE Cat-1's 10 Mbps downlink supports IP camera streams and event-image upload, while GPRS fallback keeps the communicator online in legacy coverage areas. The SIM800F-compatible footprint lets alarm-panel makers upgrade installed-base designs to LTE without new PCB tooling. The 3.4V-4.2V input accepts the sealed lead-acid or Li-ion backup batteries standard in security hardware, and the ADC input provides battery supervision. Antenna placement should follow SIMCom's design guide to preserve RF performance inside metal enclosures.
추천
Portable and Maker IoT Devices
The A7670E is the de facto cellular radio of the maker IoT ecosystem: Waveshare's Raspberry Pi Cat-1 HAT ($29.99) and ESP32-S3 A7670E-4G board, plus LilyGO's T-A7670X series, all embed this module. Its AT command control makes SMS and TCP/MQTT connectivity reachable from Arduino sketches and MicroPython with minimal code, while USB provides full-speed data on Linux. The 3.4V-4.2V supply range matches Li-ion and LiPo cells directly, and LBS positioning offers coarse location without GNSS hardware. The 24 x 24 mm footprint is carried from the SIM7070 series, so hobbyist and commercial designs share reference layouts. Power design - bulk capacitance for LTE bursts - is the single most common pitfall in first-time integrations.
추천
추천 제품 요약
엔지니어링 참조 데이터: A7670E — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | A7670E-FASE | A7670E-LASE | A7670G | SIM7070G |
|---|---|---|---|---|---|
| Package | LCC+LGA 24 x 24 mm | LCC+LGA 24 x 24 mm - same | LCC+LGA 24 x 24 mm - same | LCC+LGA 24 x 24 mm - same | LCC+LGA (SIM7070 compatible footprint) |
| Brand | SIMCom Wireless Solutions | SIMCom Wireless Solutions | SIMCom Wireless Solutions | SIMCom Wireless Solutions | SIMCom Wireless Solutions |
| Radio Technology | LTE Cat-1 + GSM/GPRS/EDGE | LTE Cat-1 + GSM/GPRS/EDGE | LTE Cat-1 + GSM/GPRS/EDGE | LTE Cat-1 + GSM/GPRS/EDGE + GNSS | NB-IoT / Cat-M / GPRS |
| LTE Bands | Regional variant dependent | Europe/Middle East bands | B1/B3/B5/B7/B8/B20 | Global variant with GNSS | NB/Cat-M bands (multi-region) |
| GNSS Positioning | LBS (GNSS on select variants only) | No GNSS | No GNSS | Yes - integrated GNSS | Yes - integrated GNSS |
주요 차별점
- Footprint migration from 2G and NB-IoT designs (vs SIM7070G)
- Cost-effective Cat-1 with voice/SMS (vs A7670G)
- Regional variant coverage within one platform (vs A7670SA)
설계 노트
The A7670E requires a 3.4V-4.2V supply with low source impedance: LTE transmitters draw high burst currents at slot boundaries, and rail sag below 3.4V causes brownout resets that appear as random disconnects. Place at least one bulk capacitor (per SIMCom hardware design guidance, typically hundreds of microfarads) close to the VBAT pins, plus ceramic decoupling. If powering from a 5V or 12V rail, use a buck converter rated for the burst current with good transient response; a single Li-ion cell is the ideal direct source.
Leverage the footprint compatibility deliberately: the A7670E's LCC+LGA outer-circle pins match the SIM7070 series and its form factor targets SIM800F/SIM7000 migration, but power, USB, and antenna nets should still be re-verified pin-by-pin against the SIMCom A7670 and SIM7070 Compatible Design Guide (V1.00) before reusing an old footprint. Keep the SIM interface short and guarded, and follow the design guide's antenna keep-out and 50-ohm feed recommendations for the LTE primary and diversity antennas.
Do not assume all A7670E suffixes are interchangeable - band configuration differs by variant (e.g., LASE covers B1/B3/B5/B7/B8/B20; FASE targets Europe/Middle East; MASC and LASA have their own regional plans). Ordering the wrong suffix for a market yields a module that cannot register on local carriers. Also confirm the LASE supply-voltage note on its LCSC listing (3V-3.6V shown) against the official datasheet before finalizing the power tree.
규정 준수 정보
RoHS compliance explicitly stated for A7670E-FASE on JLCPCB listing. CE certificate (2020) published on SIMCom product page. REACH/lead-free/halogen-free declarations must be requested from SIMCom.
