Unpacking the Retevis RT73: Your Next Dual-Band DMR & Analog APRS Ham Radio

Ready to elevate your amateur radio experience? In this episode, we dive deep into the Retevis RT73 Dual Band GPS Mini DMR Mobile Amateur Ham APRS Radio, a versatile device designed for enthusiasts. Whether you're a seasoned operator or looking to upgrade your setup, the RT73 offers a robust set of features for both analog and digital communication.

What you'll discover in this episode:

• Dual-Band Versatility: Learn how the RT73 operates on both 2m (144-148MHz) and 70cm (430-450MHz) bands, offering both analog FM and digital DMR capabilities.
• DMR Powerhouse: Explore its DMR digital technology, compliance with ETSI TS 102 361-1,-2 digital protocol, dual DMR time slot capabilities, and features like single/group calling, messaging, and TOT for clear and powerful communication.
• Analog APRS Uncovered: Get a comprehensive breakdown of the RT73's Analog APRS functionality. We'll discuss essential settings like Tx Frequency, Transmit Power, Your Callsign, Destination Callsign, APRS Symbol Table, and Dignal Path (e.g., WIDE2-2).
• GPS Integration & Tracking: Understand how the built-in GPS allows the RT73 to transmit your current coordinates via Beacon packets, enabling you to check your movement trajectory on platforms like aprs.fi.
• Crucial Firmware & Configuration: We'll highlight the importance of having firmware version 20210329 or above to access APRS features and where to find the necessary software and firmware.
• DTMF Tones Explained: Learn how the RT73 is capable of sending DTMF tones, including the specific steps to enter DTMF TX mode by long-pressing the "1" key on the microphone and sending tones without needing to hold the PTT.
• Understanding APRS Limitations: While integrated, the RT73's APRS implementation is noted as basic and might not fulfill the needs of those seeking a full "tracker" style setup.
• Purchasing with Confidence: We'll touch on how retailers like Fleetwood Digital, a Canadian small business, facilitate a smooth purchase experience with carbon-neutral shipping, flexible payment options (like Sezzle and Shop Pay Installments), CPS Extended Warranty Plans, and Route Package Protection.

Tune in to get the insights, details, and setup tips you need to maximize your Retevis RT73 experience!