Tangxi NPR-70 Ham Radio Modem
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The Tangxi NPR-70 V05 is a compact USB-connected TNC modem designed for APRS and packet radio operations on the 70cm band (430-450MHz), offering 500mW RF output in a portable form factor. It simplifies digital mode setup by allowing straightforward PC configuration via USB, making it accessible even for operators who are new to packet radio. Overall it represents a budget-friendly entry point into data communication for amateur radio enthusiasts without sacrificing essential functionality.
Key Features & Specs
| Frequency Band | 70cm band, covering 430-450MHz UHF range |
|---|---|
| RF Output | 500mW transmit power suitable for local APRS and packet radio links |
| Connectivity | USB interface for easy plug-and-play PC configuration and power |
| Primary Use | APRS tracking, packet radio, and general digital data communication modes |
| Form Factor | Compact and portable design ideal for mobile, portable, or home station use |
| Compatibility | Works with common PC-based APRS and packet radio software via virtual COM port |
| Version | V05 revision with updated firmware and hardware refinements over earlier models |
Best for: Licensed amateur radio operators who want an affordable, easy-to-configure TNC for getting started with APRS tracking or packet radio on the 70cm band without complex hardware setup.