Enhance your long-distance communication capabilities with this Walkie-Talkie Two Way Relay Box, designed to extend communication range by more than 10 kilometers through effective signal repeating. Constructed from durable ABS material, this relay box offers reliable performance and wear resistance for long-term use in various demanding environments. Its simple plug-and-play design requires no additional power supply or modification to your existing walkie-talkies—just connect two portable units via the external mic/speaker ports (2.5mm and 3.5mm) for instant extended communication. Key Features: · Long-Distance Communication Enhancement: Significantly increases walkie-talkie communication range over 10 kilometers, enabling clear two-way communication between devices. · Easy Installation and Operation: No power supply or internal modifications needed; simply connect two walkie-talkies using the included cable to the external mic/spk ports for immediate use. · Durable ABS Construction: Made from high-quality ABS plastic, providing excellent wear resistance and extended service life under various working conditions. · Wide Application Scenarios: Ideal for relay station connections, signal extension in relay coverage areas, construction sites, underground mines, emergency rescue operations, culverts, V-U section relays, basement-to-ground intercoms, large-scale event communications, and more. · Flexible Operating Modes: Supports one-way relay (conventional relay station mode) and two-way forwarding, allowing machine A to receive uplink signals while machine B transmits downlink signals for effective relay communication. · Audio Trigger Relay Function: Automatically triggers full-volume audio output upon receiving a walkie-talkie signal, ensuring clear and immediate communication. · Compatible Connector: Equipped with a K port connector compatible with Kenwood and most other walkie-talkie brands using the same connector type. · Antenna and Duplexer Support: Compatible with original multiplexers requiring two separate antennas spaced at least 5 meters apart, or duplexers that simplify antenna setup by combining transmit and receive signals, recommended for ease of installation and improved performance. Specifications: · Item Type: Walkie-Talkie Two Way Relay Box · Material: ABS Plastic · Color: Black · Connector: K Port (compatible with Kenwood and similar walkie-talkies) Package Includes: · 1 x Walkie-Talkie Two Way Relay Box This relay box is an essential communication accessory for professionals requiring reliable, extended-range walkie-talkie connectivity. Its robust construction, ease of use, and versatile application make it suitable for various industries and emergency scenarios, ensuring uninterrupted communication over long distances.