Handheld radio HYTERA S1 HYT-S31 B1 UHF 446 MHz 0.5W with 2200 mAh battery

The Handheld radio HYTERA S1 (HYT-S31 B1) is a compact UHF 446 MHz two-way radio with 0.5 W transmit power and a removable 2200 mAh battery. Engineered for short-range voice communication, this model offers straightforward push-to-talk operation and simple controls suited to on-site coordination in retail, hospitality, event management and small teams. The standard UHF 446 MHz band delivers reliable indoor penetration and predictable coverage for everyday use.

Advantages

The HYTERA S1 provides compact dimensions and lightweight handling while maintaining a removable 2200 mAh battery for extended operational time and easy battery replacement. Its 0.5 W output keeps transmissions appropriate for license-exempt UHF 446 MHz use, and the simple user interface reduces training time for staff. Built with practical ergonomics and basic but reliable radio functions, it is optimized for consistent short-range voice communication.

Suitable for

• Retail stores and supermarkets for floor staff coordination
• Hospitality and hotels for service and maintenance teams
• Event staff and small production crews for backstage communication
• Small business sites and facilities management for on-site coordination

Key specifications

• Frequency band: UHF 446 MHz
• Transmit power: 0.5 W
• Battery type: removable rechargeable battery
• Battery capacity: 2200 mAh
• Form factor: handheld compact radio
• Operation: push-to-talk two-way voice communication

How to use

Install the removable 2200 mAh battery, switch the radio on, and select the appropriate channel within the UHF 446 MHz band. Use the push-to-talk (PTT) button to transmit voice messages and release it to receive. Adjust the volume control for comfortable listening and carry or clip the radio for convenient access during shifts. Charge the battery using the compatible charger and replace the battery as needed for extended operation.

Recommendations

For consistent short-range coverage, keep users within typical indoor distances and avoid prolonged transmission bursts. Charge the removable 2200 mAh battery before each shift, store the device in a dry environment, and perform routine checks of the push-to-talk button and antenna connection to ensure reliable operation.