voice – Hamtech Electronics Technologies https://hamtechtechnologies.com Sun, 21 Jun 2026 07:49:08 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.3 https://hamtechtechnologies.com/wp-content/uploads/2025/11/h-100x100.webp voice – Hamtech Electronics Technologies https://hamtechtechnologies.com 32 32 SIM800L https://hamtechtechnologies.com/product/sim800l/ https://hamtechtechnologies.com/product/sim800l/#respond Thu, 20 Nov 2025 04:03:25 +0000 https://hamtechtechnologies.com/?post_type=product&p=279 The SIM8000L is a compact and versatile cellular communication module supporting GSM, GPRS networks. It allows microcontrollers like Arduino, ESP32, and Raspberry Pi to send/receive SMS, make voice calls, and transmit IoT data. With multi-band support and low-power operation, it is perfect for remote monitoring, smart metering, asset tracking, and other IoT applications.

Key Features

  • Multi-Band Support
    Works globally on GSM/GPRS networks for reliable connectivity.

  • SMS and Voice Communication
    Send/receive text messages and make voice calls directly from your IoT project.

  • Data Transmission
    Supports Internet connectivity over GPRS for telemetry and cloud integration.

  • Low-Power Operation
    Sleep mode reduces energy consumption for battery-powered devices.

  • Easy Integration
    UART/Serial interface for simple connection with Arduino, ESP32, and Raspberry Pi.

Variants

  • SIM8000L Standard – Core module with GSM/GPRSsupport.

  • SIM8000L with Antenna Kit – Includes external antenna for improved signal reception.

Specifications

Feature Details
Voltage 3.4–4.4V
Frequency Bands Multi-band GSM/GPRS/LTE
Communication Interface UART / Serial
SMS Yes
Voice Calls Yes
Data GPRS
Power Consumption Low-power sleep mode
Operating Temperature -40°C to +85°C

Applications

  • Remote IoT telemetry systems

  • Asset tracking and fleet management

  • Smart water/electricity/gas metering

  • Industrial automation

  • Security and alarm systems

  • SMS notification devices

Compatible Microcontrollers / Boards

  • Arduino (Uno, Mega, Nano, etc.)

  • ESP32 / ESP8266

  • Raspberry Pi (all models with UART capability)

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