Enhance your digital communication setup with this high-performance Hotspot Board, specifically designed for Pi-star general configuration with MMDVM_DUPLEX systems. Crafted from durable printed circuit board material, this compact and lightweight board supports versatile radio frequency bands and multiple operating modes, making it an ideal choice for amateur radio enthusiasts and professionals seeking reliable duplex or simplex repeater functionality. Key Features: · Pi-star General Configuration Compatible: Optimized for seamless integration with MMDVM_DUPLEX, supporting advanced digital voice modes. · Flexible Controller Modes: Easily switch between Duplex Repeaters and Simplex modes to suit your communication needs. · Wide Radio Frequency Range: Covers primary bands including 144-148 MHz, 219-225 MHz, 420-475 MHz, and 842-950 MHz for extensive coverage and versatility. · Duplex and Simplex Mode Examples: Supports configurations such as RX:438.000000 MHz / TX:433.000000 MHz, RX:145.000000 MHz / TX:433.000000 MHz, and RX:438.000000 MHz / TX:438.000000 MHz, ensuring compatibility with various repeater setups. · Compatible Radio/Modem Types: Works flawlessly with STM32-DVM, MMDVM_HS Raspberry Pi Hat (GPIO), and other GPIO-based boards for flexible hardware integration. · Firmware and Offset Adjustments: Features default RXOFFSET=0 and TXOFFSET=0 with a new 3225 TCXO for minimal frequency offset; firmware updates available via Pi-star Expert SSH access to maintain optimal Bit Error Rate (BER) below 5%. · Compact and Lightweight Design: Measures 80 x 50 x 20 mm and weighs only 10g, making it easy to install and integrate into existing Raspberry Pi setups. · Easy Setup and Configuration: Supports straightforward software adjustments through Pi-star’s Admin and Expert menus for personalized performance tuning. Specifications: · Material: Printed Circuit Board · Package Size: 80 x 50 x 20 mm (3.15 x 1.97 x 0.79 inches) · Package Weight: 10 g (0.35 ounces) Package Includes: · 1 x Hotspot Board This Hotspot Board delivers reliable, efficient digital communication capabilities for MMDVM_DUPLEX users, providing broad frequency support and flexible operating modes. Its robust design and easy firmware update process ensure consistent performance and low error rates, making it an essential component for your Raspberry Pi-based digital radio projects.