Product Description

2019 new MMDVM DMR Repeater Open Source Multi Mode Digital Voice Modem Relay Board for Raspberry Pi  


Features:

1. This board needs to cooperate Raspberry Pi PI3, orange pie, a variety of school development board to use.

2. This board has been applied in the GM300 GM3188 3688 950I 338 Vitex DR-1X, other types of repeaters and car stations need to be studied yourself.

3. The MMDVM is intended to be an open-source Multi-Mode Digital Voice Modem, which utilities the power of an ARM processor and a simple analogue interface board.

4. The Multi-Mode Digital Voice Modem is a combined hardware and software development of a modem to handle all amateur digital voice modes. Initially it will support D-Star and DMR, with System Fusion and P.25 coming later, as well as a built-in FM repeater controller. For all modes other than DMR and FM, the modem can be used in simplex or duplex mode, while for DMR and FM full duplex must be used.

5. The MMDVM is aimed at the Arduino Due, Teensy 3.1/3.2 and mbed platforms, the only requirement for the hardware is to be ARM Cortex-M3, M4, or M7 based, and access to interrupts and ADC and ADC ports as well as digital signalling ports.


Specification:

Size: about 6.6*5.7*2cm/2.6*2.24*0.79in

Color: Green

Material: PCB


Package List:

1 * Relay Board for Raspberry Pi

1 * Moto Cable

2 * Adapter


Note: It can't work for Raspberry Pi 3B+, can't use the nextion LCD display.



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  • The shipping time details, please read the shipping and delivery together with the price.
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  • Considering the cost of business and easy shipping, usually the item is packed in retail packaging.

CountryShipping Time

Working Days + Saturday 
+ Sunday

5-78-1516-2021-2526-30>31
United StatesRate(item arrived)5.1%50.1%29.6%10.5%4.7%Refund
United KingdomRate(item arrived)9.9%63.2%19.1%3.4%4.4%Refund
AustraliaRate(item arrived)21.4%50.0%14.3%7.2%7.1%Refund
FranceRate(item arrived)10.5%28.6%43.8%10.1%7.0%Refund
GermanyRate(item arrived)11.1%22.2%30.3%20.9%15.5%Refund
CanadaRate(item arrived)0.0%47.1%31.4%17.6%3.9%Refund
SpainRate(item arrived)3.7%24.1%48.2%13.8%10.2%Refund
If this item is defective upon receipt, customer has up to 14 days from date of receipt for exchange of a new one.But buyers should be pay for the shipping charge for returning.
 
We care about our valued customers, and are always willing to work things out. If you have any problems, please e-mail us immediately.
If you have any questions, please feel free to send eBay message to us, our service specialists 24 Hours a Day, 7 Days a Week (maybe there is some delay in weekends).
 
Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem.
 
Please DON'T leave negative or neutral feedback if you haven't received item in 30 days, because we have mentioned the shipping time repeatedly.
About Us
Welcome to our store!
 
We are a professional worldwide wholesale company, with our own factory located in China.
 
We supply many products including video game, health & beauty, phone accessories, computers accessories, camera & camcorder,car accessories, Clothing accessories, games, toys & hobbies, jewelry, antique & craftwork. High product quality,reasonable prices, excellent customer service and a reliable credit standing is our tenet.
Payment
We accept PayPal only.
 
Payment must be received in 7 business days of auction closing.
 
Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order.
 
Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched.
Shipping
  • Item will be shipped out within 48 hours upon receipt of your payment.
  • The shipping time details, please read the shipping and delivery together with the price.
  • We ship to your PayPal address. Please make sure your PayPal address is correct before you pay.
  • Considering the cost of business and easy shipping, usually the item is packed in retail packaging.

CountryShipping Time

Working Days + Saturday 
+ Sunday

5-78-1516-2021-2526-30>31
United StatesRate(item arrived)5.1%50.1%29.6%10.5%4.7%Refund
United KingdomRate(item arrived)9.9%63.2%19.1%3.4%4.4%Refund
AustraliaRate(item arrived)21.4%50.0%14.3%7.2%7.1%Refund
FranceRate(item arrived)10.5%28.6%43.8%10.1%7.0%Refund
GermanyRate(item arrived)11.1%22.2%30.3%20.9%15.5%Refund
CanadaRate(item arrived)0.0%47.1%31.4%17.6%3.9%Refund
SpainRate(item arrived)3.7%24.1%48.2%13.8%10.2%Refund
Terms
If this item is defective upon receipt, customer has up to 14 days from date of receipt for exchange of a new one.But buyers should be pay for the shipping charge for returning.
 
We care about our valued customers, and are always willing to work things out. If you have any problems, please e-mail us immediately.
Contact Us
If you have any questions, please feel free to send eBay message to us, our service specialists 24 Hours a Day, 7 Days a Week (maybe there is some delay in weekends).
 
Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem.
 
Please DON'T leave negative or neutral feedback if you haven't received item in 30 days, because we have mentioned the shipping time repeatedly.
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