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  • One Cable, Endless Capabilities: The BTECH APRS-K1 PRO Cable is your gateway to advanced digital communication and audio interfacing. Designed for use with a wide range of radios, this cable transforms your device into a powerful tool for APRS, telemetry, and more.
  • Versatile Functionality: The APRS-K1 PRO Cable is not just limited to APRS applications. Whether you need to record audio, transmit data, or operate as a KISS modem, this cable provides seamless connectivity and functionality for various uses, including line-in, mic-in, and speaker system transmissions.
  • Enhanced Audio Clarity: Equipped with a built-in custom circuit board, the APRS-K1 PRO ensures clear and reliable packet transmissions. It’s engineered to prevent over-modulation, delivering high-quality audio for your communication needs.
  • USB-C and Kenwood K1 Standard Compatibility: The APRS-K1 PRO Cable features universal compatibility with USB-C devices and the Kenwood K1 accessory slot. It works effortlessly with hundreds of radio models, including those from BaoFeng, BTECH, Kenwood, Wouxun, TYT, and more, as well as with Android, iOS, Windows, and Mac systems.
  • Auto PTT and Real-Time Data Relaying: The APRS-K1 PRO Cable automatically triggers PTT upon detecting an input signal and relays audio packets directly to your connected device, making it perfect for APRS, data logging, and remote operations.
  • Universal Connectivity: Whether you’re using a smartphone, tablet, or computer, the APRS-K1 PRO Cable connects via USB-C, providing a stable and high-speed interface for all your communication needs. It’s the ultimate accessory for amateur radio enthusiasts seeking a versatile, reliable, and high-performance cable.
  • BTECH is proud to be in the USA, which allows you to have the best available local support for any issue that may arise. BTECH only engineers and develops radio products. That brand focus allows you to have the best available radios and accessories with the most features, with real USA warranty and support.

Product Description

Transform Your Communication Setup

Effortlessly Connect Any K1 Radio to Any USB-C Device with the APRS-K1 PRO

The BTECH APRS-K1 PRO Multi-Function Audio Interface Cable bridges the gap between your K1-compatible radios and modern USB-C devices. With its universal audio input/output capabilities, this cable enables data transmission, audio recording, and APRS functionalities, transforming your radio setup into a communication powerhouse. No matter what device is used, the APRS-K1 PRO offers plug-and-play connectivity and high-quality performance for both amateur and professional radio operators.

Universal TNC Interface - Versatile APRS and Digital Mode Cable for Radios

Advanced Digital Radio Interface

Universal TNC Interface – Versatile APRS and Digital Mode Cable for Radios

Perfect for APRS, SSTV, data transmission, and various digital modes, the APRS-K1 PRO provides automatic PTT activation and flawless audio I/O for uninterrupted operations. Easily visualize your network on real-time maps, send APRS messages, or log data directly to your device with minimal effort. Designed for both amateur enthusiasts and professionals, the APRS-K1 PRO consolidates complex, daisy-chained hardware setups into a single, efficient solution.

BTECH APRS-K1 PRO with Intelligent Auto PTT - Effortless Real-Time Communication

Smart PTT Activation for Radios

BTECH APRS-K1 PRO with Intelligent Auto PTT – Effortless Real-Time Communication

The APRS-K1 PRO features an intelligent Auto PTT system that detects incoming audio signals and instantly activates Push-to-Talk (PTT) on your connected radio. This built-in functionality allows for seamless, hands-free communication and real-time data relay without manual intervention. Whether sending APRS messages, data packets, or telemetry, the APRS-K1 PRO ensures efficient operation by automatically managing transmissions, making it ideal for dynamic and mobile environments.

Quick Frequency Sync and Channel Cloning

The BF-F8HP PRO allows you to quickly clone channels from nearby transmitting radios with ease. Whether you’re in the field or coordinating with a team, this feature ensures you’re instantly synced with the right communication, making it the ideal choice for rapid response situations.

Single Watch Mode for Focused Frequency Monitoring

With Single Watch Mode on the BF-F8HP PRO, you can focus on monitoring one frequency with clarity and precision. Perfect for situations where you need undivided attention on a specific communication channel, ensuring reliable and uninterrupted connectivity in critical moments.

Adjustable Sensitivity Control

Easily manage your communications with dual independent zones. Monitor two zones simultaneously, easily organizing up to 1000 channels in 10 zones.

4+ Foot Cable for Flexibility

The APRS-K1 PRO features a 53-inch long cable, providing flexibility and ease of use in various setups and field environments.

Superior Audio Quality

Our custom APRS-K1 PRO circuit board ensures clear, crisp audio transmissions and protects against signal distortion and over-modulation.

Quick Plug-and-Play Setup

No complex installation needed—just connect the APRS-K1 PRO to your radio and USB-C device for instant, hassle-free operation.

Compatibility Works with K1-compatible radios (BTECH, BaoFeng, Kenwood, TYT, Wouxun, AnyTone, etc.)
Connectivity USB-C to K1 accessory connector
 Cabel Length 53 inches (135 cm)
Functionality Universal TNC Interface, Audio I/O, Auto PTT, APRS, Data Transmission, Audio Recording Cable
Sensitivity Control Adjustable sensitivity dial for Auto PTT settings
Audio Clarity Built-in custom circuit board for enhanced audio quality; prevents over-modulation and distortion
Supported Modes APRS, Data Logging, Digital Modes (PSK31, FT8, RTTY, SSTV, CW, FSK441, JT65, JT9, WSPR, Winlink, MFSK, PACTOR, VARA, Olivia, Contestia, etc.)
Applications APRS Messaging, Real-Time Data Relaying, Audio Recording, Satellite Communication, Remote Station Control, Emergency Communication, Portable Packet Radio Station, Digital Mode Operation, Field Reporting
Product Dimensions Approximately 2 x 1.5 x 0.5 inches (main control box)
Visual Indicators LED indicator for PTT activation
Included Components APRS-K1 PRO Interface Cable, Quick Start Manual

Product Description

BTECH APRS-K1 PRO Multi-Function Audio Interface Cable – USB-C Universal TNC Adapter with Built-in Auto PTT & Audio I/O – Compatible with APRSpro, APRSDroid