RA616 helmet license-free Walkie Talkies Radio
Hidden intercom system, long standby time up to 130h.

Safety first, prevention first
Outdoor ultra-high temperature operation warning.

One key press emergency signal
The built-in radio alarm function can quickly send out a remote alarm.

PMR446 (Private Mobile Radio, 446 MHz)
PMR446 (Private Mobile Radio, 446 MHz)is a licence exempt service in the UHF radio frequency band and is available for business and personal use in most countries throughout the European Union


Safe and reliable, comfortable to wear
The Suspension system disperses the pressure and protects the head. And it has good ventilation and heat dissipation capabilities.
Frequency Range | PMR | |
Channel number | 16 | |
Frequency Stability | ±2.5ppm | |
Working Voltage | 3.7V DC | |
Antenna Impedance | 50Ω | |
Operation Temperature Range | -30℃~+60℃ | |
Storage Temperature Range | -45℃~+85℃ | |
Battery capacity | 3800mAh | |
Transmitter: | ||
Output Power | <2W | |
Current | ≤1.4A | |
Modulation Sensitivity | 12mV@3KHz | |
Modulation Deviation | ≤5% | |
Maximum Frequency Deviation | ≤5KHz | |
Remanent Radiation | ≤-36dBm | |
Modulation Mode | FM | |
Remanent Modulation | ≤-35dB | |
Receiver: | ||
RF Sensitivity | ≤-120dBm | |
Silent Sensitivity | ≤0.15uV | |
Audio Frequency Power | 500mW | |
Audio Distortion | ≤5% | |
Spurious Rejection | ≥55dB | |
Selectivity | ≥65dB | |
Intermodulation | ≥60dB | |
Blocking | ≥85dB |
Firmware/Software
- win11-DriverInstaller
The win11 driver is compatible with win10, win8 and win7 systems.
- RA616_software_V1.0
Accreditations
RA616 ultra-high temperature warning helmet PMR446 Radio
$139.99
$ 139.99 (100% off)
SKU: A9204B-Z
- Outdoor ultra-high temperature operation warning.
- Optional transparent protective mask, shawl, windproof, dustproof, and fireproof (need to be purchased separately).
- They are two way radios for manufacturing, constructing, etc.
Order Handling Time within 3 Working days(Pre-sale products excluded).
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What’s in the Box?
- 1 x Helmet Two Way Radio
- 1 x Charging Line
- 1 x User’s Manual