Best Mmdvm Raspberry Pi 3

MMDVM Duplex Hotspot Module Dual Hat V1.3 Support P25 DMR YSF NXDN DMR Slot 1 + Slot 2 for Raspberry pi with USB Port (Without OLED)

  • if the board fails to work on duplex mode, please run the upgrade command: sudo pistar-mmdvmhshatflash hs_dual_hat.
  • HIGH PERFORMACE: 32-bit ARM processor, up to 10mW RF power, fully tested every piece..
  • WIDELY COMPATIBLE: Supports DMR, P-25, D-Star and System Fusion.
  • WORK with RASBERRY Pi: Mounts cleanly on current Raspberry Pi including the Pi Zero , NOT compatible with Rasberry Pi 4..
  • Update new FW: (pi-star / expert / ssh access / user :pi-star pass:raspberry) then run sudo pistar-mmdvmhshatflash hs_dual_hat set Jumper BOOT0=1,BOOT1=0 and soler JP1 First! After upgraded finished, disconnect JP1.
  • FREQUENCY: Radio Frequency : Freq:144-148,219-225, (Main Band) 420-475,842-950 NOTE: TX =0, RX=0. Modem select: STM32-DVM/MMDVM_HS-Raspberry pi Hat(GPIO) or any other (GPIO board).
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MMDVM Hotspot Board + Aluminium Case Support UHF VHF Support P25 DMR YSF DSTAR NXDN POCSAG for Raspberry Pi-Zero W, Pi 3 (Raspberry Pi NOT Included)

  • Save electricity, High quality TCXO, stable, low BER. Note: This is NOT a completed or assembled Hotspot, it is just MMDVM Board with Aluminum case..
  • Support Raspberry Pi 3B, Pi ZERO, compatible with NanoPi NEO, Orange Pi, compatible with BlueDV (requires USBtoTTL or Bluetooth model).
  • Support VHF/UHF, frequency range: 144MHz-148MHz, 420MHz-475MHz, 842MHz-950MHz (depending on ADF7021 and TCXO, HAT firmware amateur radio brand license restrictions).
  • Support MMDVM mode DMR / YSF / P25 / NXDN / DSTAR / POCSAG.
  • Support online upgrade, User-friendly OLED and Nextion special design location, reserved for additional installation of Bluetooth modules.
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Zopsc Digital Trunk Board with Expansion Board for Raspberry Pi GS68 MMDVM DMR Repeater, Support for Upgrades via for ST-Link, USB, GPIO.

  • With USB interface, can connect for Raspberry Pi and PC, built-in PL2303 model..
  • Support MMDVM mode for DMR / YSF / P25 / NXDN / DSTAR / POCSAG..
  • The Repeater and Simplex modes can be changed at any time by changing the RX / TX board sequence..
  • Support for Raspberry Pi 3B/ 3B/ Pi ZERO, compatible with for NanoPi NEO, for Orange Pi, compatible with for BlueDV (requires USB to TTL or Bluetooth model)..
  • Support for VHF / UFH, frequency range, depending on your external radio..
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MMDVM Hotspot Spot Radio Station WiFi Digital Voice Modem Supports Digital Radio Only NXDN POCSAG P25 YSF DSTAR C4FM DMR

  • ✔➸ Added external inductor. Support VHF communication, the effect cannot reach the perfect effect of UHF.
  • ✔➸ MMDVM hotspot is a fully-assembled device..
  • ✔➸ HOTSPOT comes pre-configured for a Wi-Fi network. SSID: Pi-Star (or Pi-Star-Setup) Password: raspberry, Just connect to temporarily WIFI: pi-star then you can access the device through your web browser using Pi-Star. And then save your own house WIFI details to HOTSPOT according to the step 2 of the instruction manual..
  • ✔➸ HOTSPOT size: 2.8 x 1.3 x 0.9” inch.
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MMDVM Duplex Hotspot Module Dual Hat with 0.96 OLED Display V1.47 Support P25 DMR YSF NXDN DMR Slot 1 + Slot 2 for Raspberry pi (with OLED)

  • if the board fails to work on duplex mode, please run the upgrade command: sudo pistar-mmdvmhshatflash hs_dual_hat.
  • HIGH PERFORMACE: 32-bit ARM processor, up to 10mW RF power, fully tested every piece..
  • WIDELY COMPATIBLE: Supports DMR, P-25, D-Star and System Fusion.
  • WORK with RASBERRY Pi: Mounts cleanly on current Raspberry Pi including the Pi Zero , NOT compatible with Rasberry Pi 4..
  • EASY OPERATION: The firmware is pre-loaded and is easily upgraded via software. Onboard LEDs showing status (Tx,Rx,PTT,Mode).
  • FREQUENCY: UHF 433-900MHz, VHF 144-220 MHz. NOTE: TX =0, RX=0. Modem select: STM32_HS_GPIO.
  • To leave the screen on all the time In Pi-Star configuration, ensure you have "OLED Type 3" in the display type field at the top of the page, set Port to: modem. Also, in the Expert section, go to MMDVM host, and scroll down to the OLED section. Make sure LogoScreensaver is set to 1. This leaves the screen on all the time. Otherwise, it goes blank when idle.
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Smraza Raspberry Pi 3 B+ Case with Fan, 5V 2.5A Power Supply and 3 Heat Sinks for Raspberry Pi 3 Model B+ (B Plus), 3B, 2B

  • ✓ The Latest Version 9 Layers case for Raspberry Pi 3 model B+ / Raspberry pi 3 /pi 3 model b / pi 2 / pi 2 b (Not include Pi Board).
  • ✓ Raspberry Pi Case has the layout design for the Raspberry pi 3 model b+ and will perfectly protect your pi components.
  • ✓ Easy to access all GPIO ports - Raspberry pi case with cutout to allow Pi's GPIO, HDMI, USB, SD, Power Supply and Other GPIO Ports access.
  • ✓ Made of Acrylic, the raspberry pi 3b case Won’t Block your raspberry pi's Wifi / Bluetooth Signal.
  • ✓5V 2.5A power supply with 59 Inch power cable is durable, on/off switch would cause less wear and tear on your raspberry pi's power port. Package Include: Raspberry Pi 3 B+ Case, Fan, 3 Pcs Heatsinks, 2.5A Power Supply.
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LoveRPi Power-Over-Ethernet (PoE) HAT Kit for Raspberry Pi 3 Model B+ with Black Case

  • ULTIMATE POWER OVER ETHERNET HAT FOR RASPBERRY PI 3 B+: Deliver clean and reliable power to the latest Pi 3 Model B+ by removing the problematic MicroUSB plug altogether! Power-over-Ethernet is both simple, power efficient, and cost effective compared to having multiple power adapters..
  • BUILT FOR CLUSTER NODES: Simplify cable management and expand your on-premise cloud with POE! Power five, ten, twenty Raspberry Pi 3 Model B+ boards through a single POE switch. This PoE HAT was designed to exceed the power delivery standards set by the official Raspberry Pi PoE HAT and other products available on the market..
  • POWER OVER ETHERNET SWITCH REQUIRED: Network switch must be compliant with IEEE 802.3af PoE standard. PoE power output must be within the budget of the switch when powering multiple boards. PoE switch and Raspberry Pi 3 Model B+ sold separately..
  • ANODIZED HEATSINK AND VENTILATED CASE WITH COOLING FAN INCLUDED: Raspberry Pi 3 Model B+ gets very hot and active cooling is the only way to prevent temperatures from exceeding 150°F! This kit includes everything you need to keep your PoE powered board operating at maximum performance. Raspberry Pi 3 Model B+ sold separately!.
  • NOT COMPATIBLE WITH RASPBERRY PI 4 OR RASPBERRY PI 3 MODEL B AND OLDER MODE....
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Seeed Studio ReSpeaker 4-Mic Array for Raspberry Pi, Raspberry Pi Microphone

  • ReSpeaker 4-Mic Array for Raspberry Pi（Pi 3/Pi 4 B +) is a 4 microphone expansion board for Raspberry Pi designed for AI and voice applications. This means that you can build a more powerful and flexible voice product that integrates Amazon Alexa Voice Service, Google Assistant, and so on..
  • Different from ReSpeaker 2-Mics Pi HAT, this board is developed based on AC108, a highly integrated quad-channel ADC with I2S/TDM output transition for high definition voice capture..
  • Besides, this 4-Mics version provides a super cool LED ring, which contains 12 APA102 programmable LEDs.With that 4 microphones and the LED ring, Raspberry Pi would have ability to do VAD(Voice Activity Detection), estimate DOA(Direction of Arrival) and show the direction via LED ring, just like Amazon Echo or Google Home..
  • This Raspberry Pi microphone support all Raspberry Pi models, including Raspberry Pi Zero, Raspberry Pi 1 B+, Pi 2 B, Pi 3 B, Pi 3 B+，Pi 4 B..
  • ReSpeaker 4-Mic array does not have audio output. If this is a requirement please consider the ReSpeaker 6-Mic Circular Array Kit For Raspberry Pi, the ReSpeaker 4-Mic Linear Array Kit for Raspberry Pi , or the ReSpeaker Mic Array v2.0..
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Miuzei Raspberry Pi 3 B+ Case with Fan Cooling, Pi 3B Case with 3 Pcs Heat-Sinks, 5V 3A Power Supply for Raspberry Pi 3 B+ (B Plus), 3B (No Raspberry Pi Board)

  • NEW DESIGN FOR RASPBERRY PI 3 B - Miuzei Clear Acrylic Raspberry Pi 3 B Case is Specially designed for Raspberry pi 3 B / 3 B+, and perfect compatible with Raspberry Pi 3 B / 3 B+ / 2B. Assembly easy for beginners and children..
  • KEEP RASPBERRY PI 3 B+ COOLING - New Raspberry pi 3 B case with a Silence DC 5V cooling fan and 3 pcs Aluminum heatsinks, double cooling system keep your Raspberry pi 3 B+ cool quickly even the CPU under high load..
  • EASY TO ACCESS ALL PORTS - Miuzei Raspberry pi 3 model B case can perfect access all ports including the micro HDMI, Audio/Video, USB and Ethernet Ports, Micro USB Power Connector and Micro SD Card..
  • ETL LISTED 2.5A Micro USB POWER SUPPLY - Raspberry Pi 3 B case With a 59 inch 5V 2.5A power supply which has an ON/OFF switch, easy to power on/off your Raspberry pi 3 b+ / 3 b / 2 b. No need to worry about overvoltage or overcurrent.
  • 18-MONTH FREE RETURN AND EXCHANGE - Miuzei support lifetime technical support and free return and exchange service for each customers..
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