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GlobalSat - GTR-388C1

GTR-388C1
This information only is for informational purposes only, ALTAGAMA GPS does not have relationship with the device's manufacturer, for more information check the manufacturer's website or user manual.

The GTR-388C1 from a rugged device family is a compact, ALTAGAMA GPS compatible GPS tracker engineered for eBikes, motorcycles and small vehicles. Built around 4G LTE (Cat 1) connectivity with automatic fallback to 3G and 2G, the GTR-388C1 delivers reliable real-time tracking and telemetry to the ALTAGAMA GPS platform, packaged in an IPX7 waterproof enclosure designed for exposed outdoor installations.

With a high-sensitivity GNSS receiver (A-GPS), integrated antennas, an 820 mAh rechargeable backup battery, and firmware updates over-the-air, the GTR-388C1 is optimized for fleet management, anti-theft protection and compact vehicle deployments where concealed mounting, robust sealing and efficient power management matter.

Key Highlights

  • ALTAGAMA GPS compatible for real-time tracking and fleet management via TCP/UDP/HTTP or SMS.
  • 4G LTE (Cat 1) with automatic fallback to dual-band UMTS/HSDPA (3G) and dual-band GSM (2G) for wide area coverage.
  • High-sensitivity GNSS with A-GPS for fast position fixes and accurate route replay.
  • IPX7 waterproof enclosure with waterproof cable connector and thermal solution for exposed vehicle installations.
  • Built-in 820 mAh rechargeable backup battery to maintain operation on power loss and support anti-theft scenarios.
  • Rich I/O: ACC detection (ignition), multiple digital inputs (including emergency button), one analog input, and a digital output for relay control.
  • Lightweight, compact form factor (~66.5 g) with accessory options for flexible mounting and integration.

How It Works with ALTAGAMA GPS

When installed and configured, the GTR-388C1 streams GNSS location and vehicle telemetry to ALTAGAMA GPS using standard protocols. ALTAGAMA GPS ingests position updates and I/O events for live dashboards, geofencing alerts, route replay and scheduled reports—turning device-level signals into actionable fleet intelligence.

  • Real-time location and telemetry updates routed to ALTAGAMA GPS via TCP, UDP, HTTP or SMS.
  • Ignition (ACC) detection reports allow ALTAGAMA GPS to correlate driving time, idling and ignition events for driver and vehicle reporting.
  • Motion detection by the built-in G-sensor supports movement alerts and tamper/theft detection workflows.
  • Analog input can be integrated for telemetry such as fuel-level sensor readings when connected and calibrated through ALTAGAMA GPS.
  • Digital output can drive an external relay (optional accessory) to implement remote relay control or immobilizer workflows under ALTAGAMA GPS control.

Technical Overview

Connectivity4G LTE (Cat 1) with automatic fallback to 3G (UMTS/HSDPA) and 2G (GSM)
BandsDual-band UMTS/HSDPA and dual-band GSM; LTE band variations are SKU dependent
Power & BatteryOperating voltage +12 V to +30 V; built-in rechargeable 820 mAh backup battery
InterfacesDigital inputs (including ACC/ignition and emergency button), 1 analog input, 1 digital output for relay control; 8-pin hard-wire power/I/O cable included
GNSSHigh-sensitivity GPS receiver with A-GPS support; built-in GNSS antenna
AntennasBuilt-in high-sensitivity GPS and GSM antennas
Remote ManagementFirmware updates over-the-air (FOTA); supports SMS/TCP/UDP/HTTP configuration and reporting
EnvironmentalIPX7 waterproof enclosure, waterproof cable connector, thermal solution for exposed mounting
CertificationsCE, FCC, NCC, PTCRB
Form Factor & WeightCompact unit for concealed installation; approximately 66.5 g; ships with magnetic mount, double-sided tape and Velcro

Use Cases

  • Motorcycle and eBike anti-theft protection with movement alerts, backup battery persistence and remote relay control via ALTAGAMA GPS-managed workflows.
  • Compact fleet management for small vehicles and last-mile delivery with real-time tracking, route replay and ignition-based duty reporting.
  • Route replay and monitoring for safety and compliance—store and transmit GNSS fixes to ALTAGAMA GPS for historical analysis.
  • Vehicle diagnostics and telemetry integration when used with optional accessories (relay, OBDII cable) to extend ALTAGAMA GPS telemetry data.
  • Concealed asset tracking for rental fleets and shared micromobility where waterproofing and compact mounting are required.

Why Choose This Tracker with ALTAGAMA GPS

The GTR-388C1 pairs rugged hardware and focused connectivity with the ALTAGAMA GPS platform to deliver reliable real-time tracking and actionable telemetry for small vehicles and two-wheel fleets. Its IPX7-rated enclosure and thermal design make it suitable for exposed installations, while the built-in backup battery and efficient power management ensure continuity during power interruptions—critical for effective anti-theft and fleet monitoring. With versatile I/O (ACC detection, emergency input, analog telemetry and relay output) and support for FOTA, the device simplifies installation, maintenance and scalable fleet rollouts on ALTAGAMA GPS.

ALTAGAMA GPS's ecosystem also supports additional sensor types and platform features, so fleet managers can combine the GTR-388C1's wired telemetry (ignition, analog fuel sensors, relay-based immobilization) with ALTAGAMA GPS dashboards and alerts. The result is a compact, dependable GPS tracker that integrates into broader asset management, telemetry and anti-theft strategies without unnecessary complexity.

Set Up GTR-388C1

Country
Carrier
APN
internet.comcel.com.co
User
COMCELWEB
Password
COMCELWEB

To set the tracker send the following commands by SMS messages, Format used by ALTAGAMA GPS zaf1QFVtlboo8PNVZbkg4E

Type the IMEI number
  1. Setup the tracker
    GSS,{{imei}},3,0,D1={{apn}},D2={{apnu}},D3={{apnp}},E0=54.85.159.138,E1=8888,A1=1*{{checksum}}!

Reboot the device GSC,{{imei}},3,0,LH*{{checksumreeboot}}!