global-ptt | The World's NO. 1 PoC Radio Brand
global-ptt | The World's NO. 1 PoC Radio Brand
global-ptt | The World's NO. 1 PoC Radio Brand
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global-ptt G388 Push-to-Talk over Cellular Radio

4.9 (7124 reviews)
$130.00 USD $200.00 USD Save $70.00 USD
Shipping calculated at checkout.
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global-ptt G388 Push-to-Talk over Cellular Radio

4.9 (7124 reviews)
$130.00 USD $200.00 USD Save $70.00 USD
Shipping calculated at checkout.
COLOR : Black
SIZE : 1-Unit
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  • Nationwide Communication
  • Multi-carrier network support
  • Self-Managed User & Group Control
  • Ready to use out of the box
Free worldwide shipping
60-Day Money-Back Guarantee
Carbon neutral
Secure payments

Small Size. Long Battery Life. Instant 4G LTE Push-to-Talk Communication.

The GLOBAL-PTT G388 is a compact Push-to-Talk Over Cellular radio built for teams that need reliable voice communication without traditional radio distance limits. It works over 4G LTE cellular networks for long-distance team communication where compatible cellular service is available.

Designed with a small rugged body, screen display, built-in flashlight, group call, private call, monitor function, Type-C charging, and a large 6000mAh battery, the G388 is a practical communication tool for business teams, security patrols, warehouses, construction sites, farms, logistics, events, and outdoor operations.

Key Features

4G LTE Push-to-Talk Over Cellular

The GLOBAL-PTT G388 uses 4G LTE cellular networks for instant Push-to-Talk communication. It allows teams to stay connected across job sites, routes, cities, and service areas where compatible cellular coverage is available.

Compact and Easy to Carry

With a small body size of 78 × 58 × 33 mm and a weight of only 197 g, the G388 is easy to carry during long work shifts, patrols, outdoor tasks, and daily business operations.

Built-In Flashlight

The integrated flashlight provides extra visibility during nighttime work, security patrols, power outages, roadside situations, warehouse inspections, and emergency use.

Group Communication

Create talk groups for team communication. The G388 supports instant group talk, making it ideal for security teams, warehouse staff, construction crews, farm workers, logistics teams, and event staff.

Private Call Function

In addition to group communication, users can make private one-to-one calls within the GLOBAL-PTT system, helping supervisors and team members communicate directly when needed.

Monitor Function

The monitor function helps users stay aware of team activity and communication status, supporting better coordination during daily work operations.

Pre-Installed IoT SIM Card

Each G388 package includes a GLOBAL-PTT IoT SIM card for PoC communication. The SIM is designed for stable Push-to-Talk communication and can connect through supported cellular networks where service is available.

Multi-Carrier Network Support

In supported countries, the GLOBAL-PTT IoT SIM can connect to major local cellular carriers and automatically select the strongest available supported signal, helping improve communication stability across different locations.

Large 6000mAh Battery

The G388 is equipped with a 6000mAh battery to support long work shifts and extended field use.

5–7 Days Standby Time

With low-power standby design, the G388 supports approximately 5–7 days of standby time depending on signal strength, usage frequency, and operating environment.

Type-C Charging

Modern Type-C charging makes daily charging easier, faster, and more convenient.

Simple Operation

The G388 features a clear screen, PTT button, up/flashlight button, down button, switch button, microphone, earpiece/Type-C port, antenna, and built-in flashlight. It is simple to use and suitable for teams that need fast deployment.

Best For

Security teams

Warehouses

Construction sites

Farms and ranches

Logistics and delivery teams

Property management

Hotels and facilities

Event staff

Outdoor work teams

Schools and campuses

Small business teams

Field operations

Core Benefits

4G LTE Push-to-Talk communication

Long-distance communication where cellular service is available

Compact pocket-size design

Built-in flashlight

6000mAh large battery

Type-C charging

Group call and private call

Monitor function

Pre-installed IoT SIM card

No traditional repeater required for PoC mode

Easy team communication through the GLOBAL-PTT system

Specifications

Brand: GLOBAL-PTT

Model: G388

Product Type: PoC Radio / Push-to-Talk Over Cellular Walkie Talkie

Network: 4G LTE

Communication Range: Global / long-distance communication where compatible cellular service is available

Battery Capacity: 6000mAh

Charging Port: Type-C

Standby Time: 5–7 days

Size: 78 × 58 × 33 mm

Weight: 197 g

Main Functions: Group call, private call, monitor, flashlight, Push-to-Talk communication

Controls: PTT button, switch button, up/flashlight button, down button

Ports: Earpiece / Type-C

Recommended Use: Work, security, construction, warehouse, farm, logistics, events, and field teams

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From No Signal to Instant Push-to-Talk
See how global-ptt keeps connected where cellular service is available.
Drag Handle
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No Signal Zones
Smartphones may fail in remote or weak coverage areas.
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Stay Connected
keeps your team connected where cellular service is available.
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Instant Push-to-Talk
Press one button to talk with your team instantly.
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Multi-Carrier SIM
Automatically connects to the strongest available supported network.
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No Signal Zones
Smartphones may fail in remote or weak coverage areas.
image
Stay Connected
keeps your team connected where cellular service is available.
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Instant Push-to-Talk
Press one button to talk with your team instantly.
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Multi-Carrier SIM
Automatically connects to the strongest available supported network.
Take a look at the real feedback from our users
Overwhelmingly positive reviews
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Rated 4.9/5 by 91,319+ Happy Customers
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Frequently Asked Questions
Product
Shipping
Disclaim
A Push-to-Talk over Cellular (PoC) radio, works like a walkie talkie but uses cellular networks instead of traditional radio frequencies. This allows users to communicate over long distances without needing repeaters or radio towers.
global-ptt PoC radios can communicate nationwide and across supported regions as long as the device has cellular network coverage and an active SIM service plan.
Yes. Each global-ptt radio comes with a pre-installed SIM card. The SIM connects through supported cellular networks to help provide reliable communication coverage.
Yes. Additional global-ptt radios can be added to your existing company account or talk group, allowing your team to expand as needed.
global-ptt is a leading PoC radio manufacturer with integrated research, design, production, sales, and service capabilities. Trusted by customers worldwide and supporting OEM and ODM projects for top global PoC brands, global-ptt delivers reliable push-to-talk over cellular communication for businesses, fleets, farms, drivers, security teams, and field operations.
We currently ship global-ptt products to supported regions depending on product availability and SIM service coverage.
Most orders are processed within 1 business days after payment is confirmed.
For products available in our local warehouse, delivery usually takes 1–3 business days. For products shipped directly from our supplier or overseas warehouse, delivery usually takes 7–12 business days.
The global-ptt system only supports official global-ptt radios purchased directly from global-ptt. Radios from other brands, third-party suppliers, resellers, or unauthorized sellers cannot be connected, activated, bound, unbound, or supported on our platform.
The global-ptt SIM card is specially designed and optimized for global-ptt devices and our multi-carrier network service. It is configured to work with the global-ptt platform, supported network profiles, and compatible global-ptt radios.We cannot guarantee compatibility with other PoC radio brands, third-party devices, or non-global-ptt systems. For the best performance and reliable Push-to-Talk service, we recommend using global-ptt SIM cards only with official global-ptt radios.
Questions? We’ve Got You Covered
Some sellers may advertise “lifetime free SIM service,” but customers should be careful with this type of claim. Cellular SIM service depends on mobile network operators, data plans, carrier agreements, and ongoing network costs. In any cases, SIM data service cannot truly be provided for free forever.If a seller claims lifetime free SIM service, we recommend confirming exactly what is included, which carrier network is used, whether the service has data limits, and whether the service can be guaranteed long term.global-ptt provides a transparent SIM service model. Our radios include a pre-installed IoT SIM card with the included service period clearly stated. After the included period ends, customers can renew the SIM service annually to keep the radio connected and working reliably.
The global-ptt management platform is free for lifetime use. You can create talk groups, manage users, add or remove radios, and organize your communication network without any recurring platform fee.
Smartphones are great for daily communication, but they are not always the best choice for team Push-to-Talk operations. A smartphone usually requires opening an app, unlocking the screen, selecting a contact or group, and relying on normal phone operation.global-ptt PoC radios are built for instant team communication. With one dedicated PTT button, users can talk to the whole group immediately. They are easier to use while working, more suitable for outdoor or job-site environments, and help teams stay connected without complicated phone steps.global-ptt radios also use a multi-carrier SIM service designed for reliable Push-to-Talk communication where cellular service is available. This makes them a better choice for security teams, construction crews, farms, logistics, events, and other professional users who need fast and simple group communication.