Raspberry Pi MMDVM Digital Hotspot Expansion Board Versatile Amateur and Professional Digital Radio Communications Board Support Open-source Firmware

The circuit board integrates a powerful 32-bit ARM processor that can provide strong processing power. The expansion board comes fully assembled and rigorously tested, ready for use and minimizes the setup time. The display shows Tx, Rx, PTT, and mode information, while the SMA connector supports a variety of antenna types, including ultrahigh frequency antennas for the 430-450MHz, 43MHz, and 900MHz bands, and veryhigh frequency antennas for the 144-220MHz frequency band. The firmware is pre-loaded and easily upgradeable through software updates. By offering open-source 3D printable files, we empower users to personalize and customize the product to suit their various requirements, adding a layer of enjoyment and individuality to their projects.

Features:

【32-bit ARM Processor】: The circuit board integrates a powerful 32-bit ARM processor that can provide strong processing power to ensure the smooth and efficient operation of digital radio protocols. This enhances the overall performance and reliability of your digital radio communications, thereby improving the user experience.

【Pre-assembled and Tested】: The expansion board comes fully assembled and rigorously tested, ready for immediate integration with your Raspberry Pi, which ensures out-of-the-box functionality and minimizes the setup time. Support the testing of PI-STAR.

【Supports Multiple Digital Radio Standards】: Supports 10 MW radio frequency power. Compatible with DMR, P25, D-STAR, and SystemFusion standards. Whether you're involved in amateur radio, public safety, or commercial applications, this board meets the different needs of users and has high flexibility in use.

【User-Friendly Interface and Connectivity】: With an onboard OLED display and SMA antenna connector, the board provides a convenient way to view radio status and connectivity options. The display shows Tx, Rx, PTT, and mode information, while the SMA connector supports a variety of antenna types, including ultrahigh frequency antennas for the 430-450MHz, 43MHz, and 900MHz bands, and veryhigh frequency antennas for the 144-220MHz frequency band.

【Pre-loaded Firmware & Open-source 3D Print Files】: The device comes with pre-installed firmware that can be effortlessly updated through software upgrades, granting users access to high-level features and enhancements, thus significantly enriching the user experience. By offering open-source 3D printable files, we empower users to personalize and customize the product to suit their various requirements, adding a layer of enjoyment and individuality to their projects.

Specifications:

Name: MMDVM Board

Material: printed circuit board

Type: without housing, with housing (optional)

Item size: 65 * 30 * 23mm / 2.56 * 1.18 * 0.91in

Package size: 130 * 90 * 25mm / 5.12 * 3.54 * 0.98in

Package weight:

Without housing: 22g / 0.78ounce

With housing: 60g / 2.12ounce

Packing List (without housing):

1 * MMDVM Board

1 * Antenna

2 * Pins

OR

Packing List (with housing):

1 * MMDVM Board

1 * Antenna

2 * Pins

1 * Housing