MMDVM Hotspot Digital Voice Modem Kit with Antenna & OLED Screen - Supports P25 DMR YSF D-Star UHF WiFi - Compatible with Raspberry Pi Zero W, Pi 3, Pi 3B+ - Perfect for Ham Radio Enthusiasts and DIY Digital Repeater Projects
$27.6 $36.8-25%
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DESCRIPTION
Package Contents: 1. OLED display x1 (mounted on the board) 2.MMDVM hotspot board x1 3.SMA antenna connector 4.433Mhz antenna x1 5.pins x2, screws x4 Wifi digital voice modem for MMDVM hotspot live radio Is a simple, convenient and ready-to-use multi-mode hotspot that supports D-STAR / P25 / DMR Note: Raspberry Pi is not included, not including case.
FEATURES
The kit includes high performance with screen ARM processor, SMA antenna connector, including antenna, 2 pins, 4 screws.
SupportD-STAR, P25, DMR and work with UHF.SoftwarePi-Star,Suit for Raspberry Pi 3,Raspberry PI-Zero w, Raspberry Pi 3b+.The 40pin raspberry pie needs to insulate the middle 20pin pin headers for normal use.
Power supply USB cable connected to your computer or laptop. The Hotspot will also work mobile in your vehicle if you Tether it to your mobile phone network.
Basic Setup 433.550000MHZ DMR (Need the 2.4GHz SSID as the Pi W doesn't support 5.8GHz).
Note All designs will be contributed on MMDVM open source project.If you encounter a different version of pi zero not work, please see the picture instructions. If you have any difficult， please contact us to help you solve the problem.
REVIEWS
****** - Verified Buyer
4.5
First the bad news: The board arrived with no standoff or screw and the antenna jack was separate and needed to be soldered on. But hams are supposed to know their way around a soldering iron, so no biggie. Also there was no instruction sheet of any kind, just an 'After-sales Card' that listed a couple of email addresses. As a result I had to resort to online guides and guessing to get pi-star to interface with the MMDVM card and find the right raspberry pi that would work. Now the good news: It works beautifully with 0% loss and 0.0% BER without any offset adjustment on D-Star. I didn't test the other modes. The voice transmissions are crystal clear. That earns it 5 stars for the price I paid (about $53). Lessons learned, Pi 2B fails, Pi 3B just works. Ethernet connects well. Radio/Modem Type: 'MMDVM_HS_HAT(DB9MAT & DF2ET) for Pi (GPIO)'. That one works for Pi-star setup from a long list of choices of board modem types. It took me about 6 hrs to do the research and get it to work. But it was definitely worth it.
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