Duplex MMDVM Hotspot Support D-Star DMR YSF Pi+ OLED Revision 1.3 VHF ADF7021 US
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Product Overview
Use this digital radio hotspot module to restore dependable operation or replace a worn component in the intended application. It is a practical choice when the original part is damaged, missing, worn, or no longer operating correctly.
Before purchase, compare the original component or required specifications with the listing photos, dimensions, connections, and fitment details.
Key Features & Performance
- High-performance 32-bit ARM processor for fast and reliable signal processing
- Dual ADF7021 on-board enables duplex operation with two time slots on DMR
- Designed for the stated application
- Helps restore normal equipment function
Fitment & Compatibility
Raspberry Pi Zero, Zero W, and Zero 2W; Raspberry Pi 2B, 3B, 3B+, and 4B; Orange Pi (specific models supporting GPIO MMDVM hats); Compatible with Pi-Star and WPSD software distributions.
Technical Specifications
- Product Type: Digital Radio Hotspot Module
- Hardware Revision: 1.3
- Radio Frequency Support: UHF (430-450MHz) and VHF (144-148MHz)
- RF Power: Up to 10mW
- Antenna Connectors: Dual SMA connectors (Antennas included)
- Modem Selection: STM32_HS_GPIO
Frequently Asked Questions
Q: How do I confirm fitment for my equipment? A: Match the original part number when available, then compare the mounting points, connections, dimensions, and overall design.
Q: Is this an original OEM part? A: This is an aftermarket replacement; brand names and part numbers are used only to identify compatibility.
Compatibility may vary by model, serial number, production date, and equipment configuration. Verify fitment before purchase.