Duplex MMDVM Hotspot Support D-Star DMR YSF Pi+ OLED Revision 1.3 VHF ADF7021 US
Duplex MMDVM Hotspot Support D-Star DMR YSF Pi+ OLED Revision 1.3 VHF ADF7021 US
Need help? Call Us: 314-403-0109
Couldn't load pickup availability
Duplex MMDVM Hotspot Support D-Star DMR YSF Pi+ OLED Revision 1.3 VHF ADF7021 US
Upgrade your digital radio setup with this high-performance duplex MMDVM hotspot module. This premium aftermarket part is designed for enthusiasts who demand stable and versatile communication across multiple digital modes. Featuring a dual ADF7021 design, it allows for true duplex operation, doubling your capacity with two time slots on DMR. This revision 1.3 board is engineered for 24/7 reliability, ensuring you stay connected to the global ham radio community with ease. Paired with a Raspberry Pi and the included OLED screen, this hotspot provides clear visual feedback and a seamless user experience for both new and seasoned operators.
Key Features & Benefits
- 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
- Supports multiple digital modes including DMR, D-Star, P-25, and System Fusion (YSF)
- Includes an integrated OLED display for real-time status updates and frequency monitoring
- Tantalum capacitor filtering circuit ensures stable, long-term operation for 7x24 hour use
- Pre-loaded firmware that is easily upgradeable via software for future-proof connectivity
Compatible Models
- 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
Product Specifications
- 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
- Interface: Onboard LEDs for TX, RX, PTT, and Mode status
Frequently Asked Questions
Is this an OEM part?
No, this is a premium aftermarket part designed to be fully compatible with Raspberry Pi hardware and digital radio protocols; it is not manufactured by the original equipment manufacturer.
How do I confirm compatibility?
This module is designed to mount directly onto the GPIO pins of standard Raspberry Pi models (0 through 4). To ensure full compatibility, verify that your specific controller board supports the MMDVM_HS_Hat layout and that you are using updated Pi-Star or equivalent software.
Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.