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PTT-624G Quickstart User Guide

PTT-624G Quick Start User Guide

Thank you for purchasing the PTT-624G from Peak PTT.  If at any time you have any questions, please feel free to contact us via phone, 855-600-6161, or complete our online technical support form

PTT-624G Overview

PTT-624G Front Diagram

LED Indicator
 Operating State LED
Battery Charging Red (Steady)
Charging Completed Green (Steady)
Low Battery Red (Blinking)
PTT Transmitting Red (Steady)
PTT Receiving Green (Steady)

PTT-624G Operation

Press and hold the power button for 3 seconds, release and the screen will turn on.

PTT-624G Power Button

Power button is top left of radio when facing screen, below the channel selector knob. 

Back Of Radio

PTT-624G Back

Charging The PTT-624G

Connect The PTT-624G and power adapter using the USB C Data Cable to the bottom USB Port.

PTT-624H Charge Port

Red LED on the PTT-624G indicates battery charging is in progress.

Green LED on the PTT-584G indicates charging is complete.

Optional Desktop Charger Is Available. 

 Always use original batteries and chargers.

Internal Battery Info:PTT-624G Internal Battery

3.8V 5000mAh 19.0 Wh
Li-Polymer Rechargeable Battery
Limited Charge Voltage: 4.35V

IP 68 Rating Notice:

The PTT-624G is rated to IP68.  Ensure that Charger/USB port, microSD card/SIM card slot covers are properly seated and secured, with no foreign objects obstruction the seals. 

Do not use the charger/USB port for charging, data transmission, etc. until the phone is completely dry.

Other Notices:

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:  (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may caused undesired operation.

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

—Reorient or relocate the receiving antenna.
—Increase the separation between the equipment and receiver.
—Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
—Consult the dealer or an experienced radio/TV technician for help.

Specific Absorption Rate (SAR) Information:

The PTT-624G meets the government's requirements for exposure to radio waves.  The guidelines based on standards that were developed by independent scientific organizations through periodic and thorough evaluation of scientific studies.  The standards include a substantial safety margin designed to assure the safety of all persons regardless of age or health. 

FCC RF Exposure Information & Statement:

The SAR limit is 1.6 W/kg averaged over one gram of tissue.  This device was tested for typical body-worn operations when the device was used at 25mm from the front face, and 10mm from the product, as well as 0mm from the belt. 


  1. Risk Of Explosion if battery is replaced by incorrect type.  Dispose of used batteries in accordance with with instructions.
  2. The PTT-624G should only be connected to a USB interface with version USB 2.0 or higher.
  3. The Operating temperature of the PTT-624G should not exceed 104°F, and should not be lower then -4°F.