Cat-M1 NB-IoT Modem – SAM Mini 232 Lite Compact for Industrial IoT

Reliable RS232 CAT-M1 NB-IoT Modem for Industrial IoT

The SAM Mini 232 Lite CAT-M1 NB-IoT Modem is a compact industrial modem featuring simple RS232 serial communications for telemetry, remote monitoring, Industrial IoT and M2M applications.

Designed specifically for Machine-to-Machine (M2M) and Internet of Things (IoT) deployments, it supports Cat-M1 and NB-IoT 4G technologies while providing low-power operation and reliable long-range connectivity.

Featuring a USB-C port and a 6-pin Molex socket for RS232 communications, the modem is ideal for industrial automation, smart metering and remote monitoring applications. Native DIN Rail mounting and a compact form factor make it particularly suited to space-constrained installations.

Cat-M1 NB-IoT Modem

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Reliable RS232 CAT-M1 NB-IoT Modem for Industrial IoT Applications

The SAM Mini 232 Lite (SAMMXQL) is a compact CAT-M1 NB-IoT Modem designed for Industrial IoT, telemetry, remote monitoring and M2M communications applications. This Industrial IoT Modem provides reliable low-power cellular connectivity for industrial automation, smart metering and remote asset monitoring projects.

The RS232 Modem includes a 6-pin Molex Micro-fit socket for power input and simple 3-wire RS232 serial communications (TX/RX/GND), along with an SMA antenna connector, USB-C port, SIM card holder and LED status indication. Native DIN Rail mounting, ultra-low power consumption and a compact form factor make this Serial Modem ideal for space-constrained installations and modern low-power IoT deployments.

As organisations continue migrating to low-power LTE Cat-M1 and NB-IoT networks, the SAM Mini 232 Lite CAT-M1 NB-IoT Modem provides a reliable and cost-effective solution for connecting legacy serial equipment to modern cellular networks.

Ideal for industrial automation, smart metering, telemetry and remote asset monitoring applications, the SAM Mini 232 Lite RS232 Modem enables existing RS232 devices to be integrated into modern Industrial IoT and M2M networks.

Key Features

  • Remote Configuration: Supports standard 3GPP AT commands TS 27.007.
  • Output Power: Max. 23dBm.
  • Interfaces: Includes a 6-pin Molex Micro-fit socket with a simple RS232 3-wire interface (TX/RX/GND), RS232 for local device programming and a USB-C port.
  • SIM Card Support: Compatible with 3V/1.8V U-SIM cards.
  • Dimensions: Compact size of 21mm × 57mm × 67.7mm.
  • Operating Temperature: -40°C to +85°C.
  • Power Supply: Supports a wide input voltage range of 5V to 24VDC.

Data Features & Connectivity

  • CAT-M1 Speed: Max. 588 Kbps (DL), Max. 1119 Kbps (UL).
  • NB-IoT Speed: Max. 127 Kbps (DL), Max. 158 Kbps (UL).
  • Supported Bands: 4G LTE B1/B2/B3/B5/B8/B12/B13/B18/B19/B20/B25/B26/B27/B28/B66.
  • SMS: Mobile Terminate/Originate.
  • TCP/UDP: Intercel Smart Stack (Smart Only).
  • FOTA & DOTA: Firmware Over-The-Air and Download Over-The-Air supported.
  • Data Cable: CABSAMMINIUPC.
  • Power Supply: PSU12V2AMICRO.
  • Recommended Antennas: ANTLTE2F, ANTMULTIPATCH, ANT4GMAG, ANTLTE3SP.

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