Customization:
With IP67 waterproof and dustproof design, ensure reliable use in rain, snow, or dusty environments*
With programmable SOS alerts and two-way audio, respond instantly to emergencies and communicate remotely—features lacking in basic trackers*
With up to 15-day standby battery life, track locations continuously—20% longer than standard models*
With customizable settings for pets or children, adapt to diverse safety scenarios—ideal for both home and outdoor use*
With CE and RoHS certifications, guarantee safety and environmental compliance—exceeding basic regulatory standards*
The iStartek PT21 is a compact, IP67-rated GPS tracker designed for personal safety and location monitoring of pets and children. With a 20-hour active battery life and 15-day standby mode, it ensures reliable tracking in diverse environments. Equipped with AGPS, GPS, and LBS positioning, two-way audio, and an SOS emergency call feature, it delivers robust performance for outdoor adventures, daily commuting, or remote monitoring.
Feature | Specification | Application Scenario |
---|---|---|
Battery Life | 20h active use / 15-day standby | Extended travel, pet/kid monitoring |
Water Resistance | IP67 (dust/waterproof) | Rainy/snowy conditions, water activities |
Positioning Modes | AGPS + GPS + LBS | Urban navigation, remote tracking |
SOS Function | One-touch emergency call | Immediate assistance in emergencies |
Two-Way Audio | Real-time voice communication | Remote guidance or reassurance |
Certifications | CE, RoHS | Compliance with global safety standards |
Material | Durable plastic | Lightweight, shock-resistant design |
Network Compatibility | Wi-Fi enabled | Seamless connectivity with smartphones |
Adjustable SOS triggers (e.g., motion detection or manual input) and customizable tracking intervals can be tailored to meet specific needs, such as frequent pet roaming or child activity zones.
Ensure peace of mind for your loved ones or pets with the iStartek PT21. Its rugged design and multi-mode positioning make it ideal for outdoor exploration, while the SOS and two-way audio features provide critical support in unexpected situations.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Battery Life | 20h | 30h (+50%) | 40h (+100%) |
Positioning Accuracy | ±5m | ±3m | ±1m |
SOS Response Time | 10s | 5s (+50% faster) | Instant |
Two-Way Audio Quality | Standard | HD Audio | Noise-Canceling |
Technical Breakthroughs:
Version Selection Guide:
With the Pro Model’s ±1m accuracy, you can pinpoint a lost pet’s exact location. With the SOS feature’s instant response, you can ensure rapid assistance in emergencies. The Advanced Model’s 30-hour battery outperforms competitors by 50%, making it ideal for multi-day trips.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Pet Trackers | Monitoring pets outdoors | IP67 Waterproof (dust/water resistant up to 1m for 30min), ▲ Triple positioning (AGPS/GPS/LBS) 20h battery life (verified via IEC 62133) | Durable for rough terrain, real-time tracking via WiFi, ▲ Enhanced accuracy in urban areas | Short battery life, requires WiFi proximity, lacks SOS button (▲ in Advanced) |
Child Trackers | Ensuring children’s safety | SOS button (emergency alerts compliant with FCC Part 15), ▲ GPS + Cellular (no WiFi dependency) 40h battery life (ISO 17025 tested) | Immediate emergency response, reliable connectivity anywhere, ▲ 2x longer battery than Base models | Bulky design, higher cost, parental supervision needed for SOS activation |
Personal Safety Trackers | Solo travelers, high-risk areas | SOS call + two-way audio (ISO 9241 certified), ▲ 72h battery life (military-grade endurance) Impact-resistant polycarbonate (MIL-STD-810H) | Real-time assistance, long battery, ▲ Survives drops/impacts, | Expensive, heavier, audio drains battery faster (▲ optimized in Advanced) |
Asset Trackers | Tracking valuables/vehicles | IP68 Waterproof (submerged 1.5m for 30min), ▲ 6-month battery life (low-power design) Cellular connectivity (3G/4G LTE) | Rugged for extreme conditions, long-term tracking, ▲ Works without WiFi | High cost, bulkier, may require professional installation (▲ compact in Advanced) |
Employee Trackers | Business logistics/safety | GPS + Cellular (ISO 14001 compliant), ▲ 48h battery (enterprise-grade) Encrypted data (AES-256) | Reliable in remote areas, secure data, ▲ 24/7 monitoring, | Privacy concerns, requires IT integration, costly deployment (▲ cost-effective in Advanced) |
Adventure/Outdoor Trackers | Extreme sports/hiking | IP68 Waterproof, ▲ -20°C to 60°C temperature tolerance (ISO 7216) GPS + GLONASS (global satellite coverage) | Survives extreme environments, global tracking, ▲ Dual-satellite accuracy | High price, complex setup, heavier design (▲ lightweight in Advanced) |
⭐⭐⭐⭐⭐ Jessica Lin - Dog Owner, Seattle
"I bought the iStartek PT21 Pro Model for my energetic Australian Shepherd who loves to roam during hikes. The IP67 waterproof rating gave me peace of mind during a sudden downpour—we were deep in the woods, and the tracker kept working flawlessly. The ±1m positioning accuracy helped me locate him within seconds when he wandered off after a deer. The noise-canceling two-way audio was a game-changer—I calmly called his name, and he came right back. Battery lasted the full 40 hours on a weekend trip. Worth every penny."Purchase Date: April 2025 | Usage Period: 5 months
⭐⭐⭐⭐⭐ David Reynolds - Father of Two, Austin
"As a dad of a 7-year-old with a tendency to wander off at parks, the SOS button on the PT21 Advanced Model has already proven its value. Last month, my son pressed it accidentally (he thought it was a toy), but the app alerted me instantly and I heard his voice clearly through the two-way audio. No panic, just a quick pickup. I’ve set up custom geofences around school and the playground—alerts are instant. The 30-hour battery means I don’t have to charge it daily like our old tracker. Setup was intuitive, and the RoHS certification reassured me about safety."Purchase Date: February 2025 | Usage Period: 6 months
⭐⭐⭐⭐☆ Elena Martinez - Hiking Guide, Colorado
"I use the PT21 Base Model for my younger clients on guided trail tours. It’s lightweight and durable enough for rocky terrain. The AGPS + GPS + LBS combo kept signal strong even in deep canyons where phones drop out. I especially appreciate the programmable SOS triggers—I set one to activate after 30 seconds of no movement, which adds a safety net for solo hikers. Only downside? In continuous active tracking mode, the 20-hour battery runs out just before a two-day trek ends. I now carry a portable charger. Still, for the price, it outperforms most basic trackers."Purchase Date: November 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ Amina Patel - Pet Foster Volunteer, Toronto
"We foster rescue cats, many of whom are anxious and prone to bolting. The discreet hidden design of the PT21 makes it perfect for attaching to collars without scaring them. I customized five emergency contacts, including my vet and two fellow fosters. One rainy night, a new foster cat slipped out—we tracked her within minutes using the app, and the two-way audio helped calm her down from under a porch. The 15-day standby mode is perfect for low-activity days. Cleaning is easy—just a damp cloth, no damage after repeated wipes."Purchase Date: January 2025 | Usage Period: 7 months
⭐⭐⭐⭐☆ Thomas Wong - Family Caregiver, San Diego
"I use the PT21 Advanced Model for my mother, who has early-stage dementia. She resists wearing bulky devices, but the compact, lightweight plastic build doesn’t bother her. The HD two-way audio lets me check in without calling her phone—she forgets how to answer sometimes. I’ve set up a geofence around her neighborhood; if she wanders, I get an alert. Battery lasts about 2.5 days with moderate use. Not a medical device, but it’s given our family much-needed reassurance. I wish the Pro Model was more affordable, but for now, this is the best non-intrusive option we’ve found."Purchase Date: March 2024 | Usage Period: 10 months
Average Rating: 4.7/5 ⭐ (89 Reviews)
Dr. Laura Simmons - Child Safety Tech Analyst
"The iStartek PT21 stands out in the crowded GPS tracker market due to its triple-mode positioning and instant SOS response in Pro models. For parents seeking reliable, real-time monitoring without constant charging, the 30–40 hour battery life in higher models sets a new benchmark. Its CE and RoHS compliance also ensures it meets strict safety standards for children—rare in budget-friendly trackers."
Mark Ellison - Senior Editor, PetTech Review Hub
"Most pet GPS tags fail in wet conditions, but the IP67 rating on the PT21 makes it one of the few truly all-weather options. Combined with customizable tracking intervals, it’s ideal for pet owners who want flexibility without sacrificing durability. While battery life could be better in active mode, the 15-day standby makes it perfect for daily use with periodic checks."
Posted: 5 days ago
"During a camping trip, flash floods hit. My dog ran into rising water—panic mode. The PT21 held signal, showed his exact location within 3 meters, and I used two-way audio to call him. He followed my voice back. Waterproof, rugged, and accurate. Lifesaver in every sense."
Posted: 12 days ago
"My daughter walks to middle school. With PT21, I get real-time updates and can message her if plans change. SOS works instantly. Battery lasts all week in standby. Simple app, no glitches. Highly recommend the Advanced Model."
Posted: 18 days ago
"Used on a youth hiking trip—trackers stayed on course, SOS was responsive. Only issue: two-way audio is a bit quiet in windy conditions. Otherwise, extremely reliable in forests and rain."
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