KSP-N51U-M.2 Overview
Introduction
KSP-N51U-M.2 is a slot-type internal LTE-M and NB-IoT module in the KORLINX industrial LTE-M product series. It is designed for products that require cellular connectivity through an M.2 2230 Key E pluggable form factor.
The module supports LTE-M / NB-IoT communication, GNSS positioning, cloud-oriented IoT protocols, and AT command-based control. With a U.FL antenna connector and M.2 interface, KSP-N51U-M.2 is suitable for systems that require easy module replacement, flexible upgrades, and compact internal integration.
KSP-N51U-M.2 is well suited for industrial gateways, communication platforms, development environments, and IoT products that need a slot-in cellular module.
Key Features
KSP-N51U-M.2 provides LTE-M / NB-IoT connectivity in a compact M.2 2230 Key E pluggable module format.
Low-power Operation
Under 5 µA in PSM / DRX power-saving mode.
M.2 Slot Type
M.2 2230 Key E pluggable connection for slot-in integration.
Protocols Supported
MQTT, CoAP, HTTP, and LwM2M.
GNSS Supported
GNSS support for location-enabled IoT applications.
Security
Arm TrustZone and Arm CryptoCell 310 support.
Easy Replacement
Slot-in design for module-only replacement and flexible upgrades.
Why Choose KSP-N51U-M.2?
KSP-N51U-M.2 is designed for systems that need an internal LTE-M / NB-IoT module with easy replacement and upgrade flexibility.
Compared with fixed internal modules, KSP-N51U-M.2 provides:
- M.2 2230 Key E pluggable connection
- Easy module replacement
- No soldering required for module replacement
- UART and I2C interface support
- U.FL antenna connection
- AT command-based control
- SDK support for common MCU platforms
This makes KSP-N51U-M.2 suitable for products that need cellular connectivity with a slot-in module architecture.
Typical Applications
KSP-N51U-M.2 can be used in systems where module replacement, testing convenience, and long-term maintenance are important.
Typical use cases include:
- Industrial gateways — slot-in LTE-M / NB-IoT connectivity
- Communication platforms — cellular module integration for connected systems
- Development and testing environments — easy module testing and replacement
- Remote monitoring systems — cellular connectivity for field equipment
- IoT edge devices — compact internal modem integration with flexible upgrades
Technical Highlights
| Item | Specification |
|---|---|
| Cellular Network | LTE-M / NB-IoT |
| MCU | 64 MHz Arm Cortex-M33 |
| Memory | 1 MB Flash + 256 KB RAM |
| External Flash | 4 MB |
| GNSS | Supported |
| USIM | Nano USIM, Supported Global and KT |
| Protocols | MQTT, CoAP, HTTP, LwM2M |
| Control | AT-COMMAND (UART) |
| SDK | ESP32, STM32 Series, nRF52 Series |
| Security | Arm TrustZone + Arm CryptoCell 310 |