SIMCOM A7665SA LTE Cat 1 bis Module

SIMCom A7665SA is a brand-new, ultra-compact LTE Cat 1 bis module that was just unveiled at MWC 2026 (Mobile World Congress). It is specifically designed to bring high-speed 4G connectivity to the smallest of IoT devices, particularly targeting the South American (Latin American) market.

Its standout feature is its "micro" size, which allows it to fit into hardware designs previously reserved for much slower 2G or NB-IoT modules.

SIMCom A7665SA Module Specifications:

* Network Standards: 3GPP Release 14 LTE Cat 1 bis (Single Antenna)

* Target Market: South America / Latin America (SA suffix)

* Data Rates: Downlink: up to 10 Mbps / Uplink: up to 5 Mbps

* Dimensions: 17.6 mm × 15.7 mm × 2.1 mm (Ultra-compact LGA)

* Compatibility: Pin-compatible with SIM800C (2G) and SIM7080G (LPWA)

* Functions: Supports FOTA, LBS (Location Based Services), MQTT, HTTP/HTTPS

* Power Efficiency: Optimized for battery-powered "always-on" connectivity

Core Advantages
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* Smallest in Class: At roughly 17.6 x 15.7 mm, this is one of the smallest Cat 1 bis modules on the market. It solves the "integration headache" for engineers trying to fit 4G connectivity into sleek wearables or tiny industrial sensors.

* The "Easy Upgrade" Path: It is designed to be package-compatible with the SIM800C and SIM7080G. This means if you have an existing product using 2G (SIM800C) or NB-IoT (SIM7080G), you can swap in the A7665SA to upgrade to 4G LTE without a total PCB redesign.

* Cost-Performance Balance: By using Cat 1 bis (which requires only one antenna instead of the two required by standard Cat 1), the A7665SA reduces both the module cost and the complexity of the device's antenna system.

* South American Band Support: The "SA" variant ensures that the module supports the specific LTE frequency bands used across Latin American carriers, which can often differ from European or North American configurations.

Primary Use Cases
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* Micro-Mobility: Ideal for e-bikes and electric scooters where space is tight but real-time data and high-speed updates are needed.

* Smart Security: Used in smart locks and compact home security sensors that require more bandwidth than NB-IoT can provide (for faster wake-up times and firmware updates).

* Asset Tracking: Perfect for ultra-slim trackers for high-value goods, luggage, or even livestock.

* Smart Cities: Integrated into remote smoke detectors and smart meters that need long-term stability and FOTA (Firmware Over-The-Air) capabilities.