SIM908

Product Overview

SIM908 is a SIMCom GSM/GPRS and GPS integrated communication module designed for M2M, tracking and mobile communication applications. This compact SMT module combines a quad-band GSM/GPRS engine with a GPS receiver, supporting global GSM frequency bands of 850/900/1800/1900MHz and providing reliable positioning and wireless data transmission capabilities. With a compact 30mm × 30mm × 3.2mm package, SIM908 integrates multiple interfaces including UART, audio, GPIO, charging interface and GPS serial interface, making it suitable for vehicle tracking, IoT devices, security systems and portable terminals. 

Key Features

• Manufacturer: SIMCom Wireless Solutions

• Part Number: SIM908

• Product Type: GSM/GPRS + GPS Module

• Communication Technology: Quad-Band GSM/GPRS

• GSM Frequency Bands: GSM 850 / EGSM 900 / DCS 1800 / PCS 1900MHz

• GPRS Multi-Slot Class: Class 10

• GPRS Coding Schemes: CS-1, CS-2, CS-3, CS-4

• GSM Output Power: Class 4 (2W @ 850/900MHz), Class 1 (1W @ 1800/1900MHz)

• GPS Receiver: Integrated GPS Engine

• GPS Receiver Type: 42-channel GPS receiver

• GPS Frequency: L1 C/A Code

• GPS Tracking Sensitivity: Approx. -160dBm

• GPS Cold Start Sensitivity: Approx. -143dBm

• Position Accuracy: Less than 2.5m CEP

• Time-To-First-Fix: Approx. 30s cold start, 1s hot start

• Control Interface: AT Commands

• Communication Interface: UART Serial Interface

• Audio Interface: Two audio inputs and two audio outputs

• Additional Interfaces: GPIO, SPI display interface, keypad interface and charging interface

• Operating Voltage: 3.2V to 4.8V

• Power Saving Mode: Low-power sleep mode

• Power Consumption: Approx. 1mA in sleep mode

• Package Type: SMT Module

• Dimensions: 30mm × 30mm × 3.2mm

• Weight: Approx. 5.2g

• Mounting Type: Surface Mount Technology (SMT)

• Operating Temperature Range: -40°C to +85°C

• Features: Integrated GSM/GPRS communication, GPS positioning, compact design and low power consumption

• Typical Applications: Vehicle trackers, asset tracking systems, IoT terminals, security equipment and portable communication devices

• Datasheet: SIM908 datasheet PDF available for technical verification before production use. 

Applications

SIM908 is widely used in applications requiring wireless communication and location tracking capabilities. Typical applications include vehicle GPS trackers, fleet management systems, smart logistics equipment, M2M terminals, security monitoring devices, handheld devices, industrial IoT equipment and remote data acquisition systems. 

Quality & Sourcing

Antrex Electronics can support SIM908 sourcing with stock availability checks, RFQ quotation, package confirmation, date code review and shipment arrangement. For project-based purchasing, customers can provide quantity requirements, delivery schedules, application details and technical specifications for faster quotation support.

For quality assurance, Antrex Electronics can assist with product photos, marking verification, visual inspection and third-party testing services when required. OEM manufacturers, IoT solution providers, communication equipment suppliers and electronic component buyers are welcome to submit BOM lists or hard-to-find module requirements for sourcing assistance.