Mmdvm repeater

STM32-DVM-MASTR3 MMDVM lockout sources: Remote PTT IN selected. The STM32-DVM-MASTR3 may has three possible selections to "lockout" (disable) the modem. In this example, "Remote PTT IN" should be jumpered as show in the image above. We do this because Remote PTT is the signal the external controller will use to key the station.

Mmdvm repeater. Intro. After the online resources to mount its full duplex MMDVM digital repeater based on Arduino and Nucleo STM32F4, here is the time to explain how to set up a "homemade" access point (Hotspot) MMDVM based on a few simple elements:. A "STM32Duino" board based on STM32F103 CPU, which we will program with MMDVM (firmware); A RF transmitter/receiver UHF RF7021SE (ADF7021) circuit board ...

75.1 %. free Downloads. 10000+ "ham radio mmdvm repeater board" printable 3D Models. Every Day new 3D Models from all over the World. Click to find the best Results for ham radio mmdvm repeater board Models for your 3D Printer.

Synoptic of a repeater using the “MultiMode Digital Voice Modem” (MMDVM) installed on an STM32 board La platine STM32F4xx du constructeur ST Micro electronic permet avantageusement de remplacer l’Arduino Due dans son application de relais numérique multimode MMDVM .So NXDN 4800 it is. It's all been checked into GitHub for both the MMDVMHost and MMDVM firmware under the nxdn branch. Currently it'll be an RF only repeater, but it will allow you to play. I intend to get a simple NXDN reflector active and make a simple NXDN parrot available too. This will allow basic testing and communication until we can ...MMDVM Repeater User Case Motorola #MTR2000. IW6BFE. IS0XDA. the circuit diagram and the value of capacitor used to drive the TX Audio of MTR2000. Repeater MMDVM guide ...There was a point were Pi-Star wasn’t keeping up with updates from the MMDVM project and it was becoming dated. This is when Chip decided to make wholesale changes to the user interface and implemented new functionality and features in WPSD. This included newer modes like M17, AX.25, and FM.Functions: Build your DMR/YSF Digital repeater, hotspot use Analog radios, such as GM338,GM340,FT-7800, IC-2820, also support DR-1X, MTR2000, Tait1. The repeater callsign is YU0UBV in Belgrade. 2. It is a MMDVM repeater. 3. they use the Brandmeister Master BM2302. 4. the repeater power is 10W. 5. the repeater frequency downlink 438.2250Mhz, and uplink 430.6250Mhz. shift is -7.6Mhz. the color code is 1. 6. On timeslot 1, you can connect TG220, and on timeslot 2, you can connect TG220010 ...

The DVM Host (dvmhost) software suite, provides the primary host computer implementation of a mixed-mode DMR, P25 and/or NXDN or dedicated-mode DMR, P25 or NXDN repeater system that talks to the actual modem hardware, and the networking core (dvmfne) that provides a centralized network service that interconnects DVM Host (dvmhost) and other endpoint applications allowing networked communications.The RB_STM32_DVM is yet another Multi-Mode Digital Voice Modem that gives new life to analog repeaters by allowing them to become digital capable. The STM32 has an on-board microcomputer, so there is no …The STM32_DVM_Mtr2k is a complete ready-to run solution that simply plugs into the middle card slot of your MTR2000 repeater. Pricing / Options: STM32_DVM_MTR2k: Special Limited Time Price - $225. This card is customized to be plug-and-play with a Motorola MTR200 repeater. (VHF or UHF) It makes for a nice, neat compact package.Step 4. Install and configure MMDVM and MMDVMHost (i will not cover this, there is plenty of info around) Modem config in MMDVM.ini. The main difference of the Modem block is in the DMRDelay this feature is there to compensate delay in the repeater of around 7 msec best setting should be somewhere between 162 and 168.Do you need to set up your MMDVM repeater on the BrandMeister network? This video will walk you through all the necessary steps for how to register your repe...

Contribute to VR2VYE/MMDVM_HS_firmware development by creating an account on GitHub.MMDVM (Repeater) Firmware. 20180223. Power (ERP) 10 Watt. Status. since Thu May 02 2024 10:21:49 GMT-0700 (Pacific Daylight Time) Master. BM2621.1 ) Duplex HAT by BI7JTA VR2VYE sudo pistar-vyehsflash hs_dual_hat Radio/Modem Type "MMDVM_HS_Hat Dual Hat(VR2VYE) for Pi(GPIO)"Connecting the display to the MMDVM modem. Plug into the MMDVM Nucleo STM32 shield as shown on the picture below. We restart the Raspberry Pi. sudo reboot. Your display is operational. MMDVM modem, on Nucleo STM32F4, iTead Nextion screen and Raspberry Pi. Do not hesitate to use comments to ask some needed help.Відповідь від UR6HV у темі MMDVM Repeater. Eще зимой 2016 мы с Иваном UX7HO и Сергеем UR6HFU начали подготовку к установке 2х репитеров на 145.700 и 438.700 МГц, было решено объединить их т.к. активность на УКВ сильно ...

Average monthly temperatures in cabo san lucas.

IW6BFE IS0XDA the circuit diagram and the value of capacitor used to drive the TX Audio of MTR2000 Re...For most hotspot devices, DV mode won't work; instead, you must set up RPT1, RPT2, and a zero offset (either +/−0.000). This is known as Duplex mode or D-STAR Repeater (DR) mode. Disclaimer: These are my personal notes based on my experience setting up my own TH-D74A, specifically for use with my ZUMspot, MMDVM_HS_Hat, and DVMEGA hotspots. I ...Week 8 – Setting TX & RX Offset. After setting up the MMDVM duplex hotspot board, it is necessary to adjust the transmit and receive offsets in the MMDVMHost expert editor section. Basically this corrects the transmit (TX) and receive (RX) frequency of the board, if they’re not on frequency. I went to a fellow amateur radio operator’s ...This model has duplex and can act as a repeater. If you are the only person using this you most likely won't need duplex. Accounts Getting a DMR Radio ID. ... Radio Frequency: Your MMDVM board should come with a print out with this information. Keep in mind that 435.00-438.00 is satellite only. Check your local band plan for more information.

Contribute to VR2VYE/MMDVM_HS_firmware development by creating an account on GitHub.User guide for MMDVM_BAT (battery inside) Basic operations. 1, Press POWER button 1s to startup hotspot, wait 30s OLED screen show MMDVM status, when MMDVM service Initialization completed. 2,Press POWER button 5s to shundown hotspot. 3,Press POWER button 3s to reboot hotspot. 4,Double press POWER button to open …Southern California's Premier Repeater System. I recently interviewed Chip W0CHP to learn about WPSD, how it got started and where it is going. What is WPSD? WPSD is a tool for digital voice enthusiasts to manage their digital communications. It is a progression of the Pi-Star and MMDVM projects. It was originally created for power users to ...This list collecting all share using Nano Series Repeater Kit Board, get the board in my blogger mmdvm.bi7jta.org ,or email to [email protected] MMDVM dual HotSpot (MicroRepeater) board as shown on the photo above has been designed in an attempt to improve the receiver's characteristics of a duplex (dual) HotSpot "hat" built arround two ADF-7021 single chip transceivers and STM32F103 controller. The board introduces an integrated receiving SAW bandpass filter centered at 432,92 MHz.Once the firmware has been loaded, you will need to add some extra information to your MMDVM.ini, or use the one in GitHub as a basis for your system. In the Modem section the TXLevel and RXLevel values also apply to the FM repeater. Like the other modes, it is possible to override the TXLevel parameter for FM only with an optional FMTXLevel ...Wire LAN recommend, the first time you use MMDVM hotspot. Figure: hardware wiring diagram Step 2 Network Configuration There are 3 methods to make MMDVM hotspot connect to internet 1, Wire LAN (Simple and Recommend) NOTE: 1, This method cannot use in your Raspberry Pi ZW, not have LAN interface, Unless you buy a USB-LAN adapter.The process will be the following: Modification of the MD380: In order to transmit M17 audio, the radio needs to be modified so the MCU has direct access to the mic without the audio being routed over the HR_C5000. Installation of OpenRTX on the MD380. Modification of the Pi-Star installation. Upgrading the MMDVM firmware to at least v1.6.0.Analog FM mode working on MMDVM Repeater. by kb2mxv » Sun May 31, 2020 5:21 pm. 7 Replies 26224 Views Last post by g7kbr Sun Jul 11, 2021 11:19 am; MMDVM POG DMR issue. by m0ljl » Fri Jun 12, 2020 9:31 am. 2 Replies 6902 Views Last post by g7kbr Sun Jul 11, 2021 11:09 am; POG MMDVM board update of MMDVM, how to.MMDVM (Repeater) Firmware: 20240210_PS4: Power (ERP) 1 Watt: Status: since Thu May 02 2024 08:24:48 GMT-0700 (Pacific Daylight Time) Master: BM3103: Frequency Details. TX: ... As this is a Brandmeister repeater, all BM talkgroups are accessible on-demand by keying/"waking up" the TG from Time Slot 1. You are free to wake up any talkgroup on …The hangtime is the amount of time the MMDVM will stay in that mode before allowing other digital mode signals a chance to reach the repeater. RF Hangtime is the amount of time the MMDVM waits after the end of an incoming RF (Radio Frequency) signal. Net Hangtime is the amount of time the MMDVM waits after the end of an incoming network ...

Use MTR2000 repeater build MMDVM(DMR/P25/DSTAR/C4FM/NXDN) repeater, Amateur radio purpose.Facebook group https://www.facebook.com/groups/v3f446Buy device ht...

TK-8180 Kenwood setup for MMDVM, using repeater keeper STM board PAUL PHILLIPS. All Messages By This Member #176141 Hi all. I have two TK-8180's I want to interface into either a Zum 1.0.1 board via an Arduino Due board. Or the STM32 repeater keepers board pi-hat.The Skybridge can be used in your vehicle, house, outside, on-the-go...just connect it to your phone hotspot or home internet and it works! No repeater required! Every Skybridge comes with FREE video tutorial in BridgeCom University! Plus a portable battery! Works for DSTAR, DMR, Fusion, NXDN, P25, M17, Cross-Mode.README. GPL-2.0 license. These are the source files for building the MMDVMHost, the program that interfaces to the MMDVM or DVMega on the one side, and a suitable network on the other. It supports D-Star, DMR, P25 Phase 1, NXDN, System Fusion, M17, POCSAG, FM, and AX.25 on the MMDVM, and D-Star, DMR, and System Fusion on the …Pager Setting User Guide 0810/update 2023.12.04 #POCSAG, #DAPNET. Test send message to yourself. Run send message to yourself, change the Callsign. PLL or crystal, 137-199 MHz and 400-499 MHz, POCSAG. Please notice that the frequency you use. *One device just with 4MHz bandwidth. *The frequency can be customized in the frequency range, 4MHz ...The Callsign and Timeout values in the General section also apply to the FM controller, but these may be overridden in the FM controller configuration. Now to the FM repeater configuration. Here is the one in the example MMDVM.ini: [FM] Enable=1. # Callsign=G4KLX. CallsignSpeed=20.Post a Comment. Note: Only a member of this blog may post a comment.Each BCR Repeater includes FREE Programming! Just let us know the Tx/Rx Frequency, PL Tone In/Out, Station ID, Desired Transmit Output Power. If you order one of these packages, don't forget to add your RF JUMPER CABLES. UHF (400-470 MHz, 70cm) - 40 Watts Continuous Duty. Designed and assembled in the USA. 2 - year warranty.The repeater’s screen *should* look as in the picture; everything must be set to "yellow". For ‘normal’ operation, the DR-1X’s screen should show as above. If not, the repeater will not be "engaged". 10. Calibrate MMDVM Now it's about the sausage and we get to the point where it gets a bit more complicated for most people.MMDVM, Homebrew Repeaters Owners. If you are running a repeater using a 6-digit DMR ID and connected to a BrandMeister Master, and you have not set a password yet, please login to your repeater page and scroll to the bottom of the screen where you will find the “Device Password” field:

Foley city jail inmates.

Peebles funeral somerville tn.

IW6BFE IS0XDA the circuit diagram and the value of capacitor used to drive the TX Audio of MTR2000 Re...Connecting the display to the MMDVM modem. Plug into the MMDVM Nucleo STM32 shield as shown on the picture below. We restart the Raspberry Pi. sudo reboot. Your display is operational. MMDVM modem, on Nucleo STM32F4, iTead Nextion screen and Raspberry Pi. Do not hesitate to use comments to ask some needed help.Jan 12, 2023 · You can use an MMDVM hotspot if you don’t have a digital repeater nearby or simply want some other options. Basically, hotspots are your own personal digital voice repeater and gateway. A personal, low-power hotspot is a combination of hardware, firmware, and software that lets an amateur radio operator with an Internet connection link ... DMR Gateway Explained. DMR Gateway is a part of the MMDVM_Host suite created by Johnathan Naylor (G4KLX) to add features and functionalities to the DMR side of the MMDVM. If you have never configured a commercial DMR Repeater before, its important to know for the most part, DMR repeaters are "Dumb" devices in the grand scheme of a network.You will need 2 pcs. One that connects to the MMDVM board that will send data. The other HC-05 (or HC-12) will connect to the display and will receive the data. Only 3 wire connection is needed for one way data transfer.This video part 1 as a operate guide for who buy repeater board from @BI7JTA. The part 2 will Introduce the pi-star system settings.Hope can also give you a ...Title: MMDVM-Pi 1.0 user manual Author: x Created Date: 4/7/2019 10:20:15 AMMMDVM Passwords and Servers Updates. This is a major pre-announcement; our effort to develop a more robust MMDVM server authentication system. This work has been in development for better than a year, off and on as time was available. It involved a number of people to envision, concept, collaborate, develop, implement and test.The main reason, I believe is that the MMDVM repeater offers users the ability to access multiple digital modes (the clue is in the title). With an MMDVM repeater users can use D-Star, DMR, C4FM, P25 and NXDN all on one repeater. For builders wanting a bit more excitement they can also bridge between modes, offering even … ….

Nextion to MMDVM Hotspot; Correct method for adjusting TXLevel #MMDVM_REPEATER August 2021 (1) May 2021 (4) April 2021 (3) 2020 (2) August 2020 (1) January 2020 (1) 2019 (18) October 2019 (3) September 2019 (3) August 2019 (1)not for MMDVM Repeater HAT, adjust external radio frequency offset and RX/TXLevel instead. at October 13, 2019 1 comment: Email This BlogThis! Share to Twitter Share to Facebook Share to Pinterest. Labels: offset. Wednesday, October 9, 2019. OpenGD77,TYT-MD760 flash MMDVM firmware, work as MMDVM SIMPLEX hotspot.Nextion to MMDVM Hotspot; Correct method for adjusting TXLevel #MMDVM_REPEATER August 2021 (1) May 2021 (4) April 2021 (3) 2020 (2) August 2020 (1) January 2020 (1) 2019 (18) October 2019 (3) September 2019 (3) August 2019 (1)The truth is that I'm not the mother I want to be yet. I'm close to being her, but I'm not quite there yet. I'm making too many repeated mistakes,... Edit Your ...The MMDVM software is a fabulous development realised by Jonathan G4KLX allowing to built a multimode digital hamradio repeater. Indeed, it can manage the three digtal modes DSTAR,DMR and C4FM. MMDVM is composed of two physical parts.MMDVM hardware and software is at the core of most digital mode hotspots on the market. The success of the MMDVM Project comes from countless hours of work by different people and projects going back to the earliest days on D-STAR. MMDVM now supports D-STAR, DMR, YSF, P25, NXDN, M17, POCSAG, and even analog. This project has become a truly ...How to Install NextionDriver for Model 10 #MMDVM; How to Adjust TXLevel Match your Repeater Radio #M... Solved Problem MMDVM_Bridge DVSwitch "DMR, Master ... April 2021 (3) 2020 (2) August 2020 (1) January 2020 (1) 2019 (18) October 2019 (3) September 2019 (3)This was a prototype project of mine after my recent retirement, decided to put my Motorola skills to practice and build a digital repeater with (2) MCS2000 ...7 October, 2021 Indra Sanjaya Amatir Radio, Featured 2. Merakit Pancar Ulang (Repeater) Digital Voice dengan bahan radio analog dan MMDVM board tidak membutuhkan biaya sebesar Radio Pancar Ulang bermerk. DV (Digital Voice) merupakan komunikasi suara digital melalui gelombang radio yang diperbolehkan untuk penggunaan Amatir di Indonesia. Mmdvm repeater, 1. The repeater callsign is YU0UBV in Belgrade. 2. It is a MMDVM repeater. 3. they use the Brandmeister Master BM2302. 4. the repeater power is 10W. 5. the repeater frequency downlink 438.2250Mhz, and uplink 430.6250Mhz. shift is -7.6Mhz. the color code is 1. 6. On timeslot 1, you can connect TG220, and on timeslot 2, you can connect TG220010 ..., MMDVM (Repeater) Firmware. 20180223. Power (ERP) 10 Watt. Status. since Thu May 02 2024 10:21:49 GMT-0700 (Pacific Daylight Time) Master. BM2621., What do you do when your area doesn't have a DMR repeater. Well, you make plans to build your own. In this video, I show a stepping stone on the path to a ..., Radio Repeater. A small band of radio amateurs have reinstated the repeaters at the RAF Stenigot site in the Lincolnshire Wolds. The repeaters are MB7PA 6 Mtr parrot repeater, GB3LC 70cms Analogue Repeater and GB7JM MMDVM repeater, which is currently active on modes DMR and DSTAR. Stenigot is approximately 500mtrs ASL and therefore has a very ..., PNWDigital maintains our MMDVM servers as a secondary service for use by our members when repeaters are not available in their local area. In order to provide the best hotspot services we have created our own servers and host them on commercial hosting sites primarily. We have one open and public server, Peter, available and useful for testing your hotspot set-up and with a limited talkgroup ..., Correct method for adjusting TXLevel #MMDVM_REPEATER Correct method for adjusting TXLevel (Physical adjustment, non software adjustment). Detail method find the key words "2.5.29 Adjust TX Level with SDR" in the following link., Essential elements of an MMDVM M17 Hotspot. Important to know it that a functioning MMDVM M17 system consists of three elements; The firmware of the MMDVM hat, whose version must be equal/above 1.6.0. A recent version of the MMDVMHost program. The gateway program M17Gateway which connects the controller to the reflectors., Install FreeDMR MMDVM. (Still in Beta) To make Repeaters easy to access for users on the FreeDMR Network. All users will need in the radio is two channels. TG 9 on Slot 1 = Local RF TG 9 on Slot 2 = Dial-a-TG. All other Talk Groups are blocked, unless using Dial-a-TG on TG 9 Slot 2. This is the option we would like all repeaters to use. Easy to ..., J-STAR , REPEATER Build with V3F4 MMDVM (BI7JTA&VR2VYE) Join group, Aug 25, 2023 ... JumboSpot MMDVM D-Star/DMR/C4FM/P25/NXDN ... DSTAR Repeater with Remote Internet Gateway ... MMDVM. Frugal Radio•13K views · 4:38 · Go to channel&nbs..., K6PUW Multimode DV Repeater Welcome to California's first Wide area coverage MMDVM Digital Voice Multimode Repeater AFFILIATED WITH THE "KINGS OF DIGITAL" Covering Los Angeles and parts of Ventura, Riverside, San Bernardino and Orange Counties Please donate to help support this special Read More ..., http://www.pistar.uk/downloads/Pi-Star_OrangePi_Zero_V3.4.17_09-Jan-2019.zip, MMDVM Repeater V3F4. Functions: Build your DMR/YSF Digital repeater, hotspot use Analog radios, such as GM338,GM340,FT-7800, IC-2820, also support DR-1X, MTR2000, Tait. User's guide: https://www.bi7jta.org/wiki/index.php?title=Main_Page#Repeater_Board. Devices && software: https://www.bi7jta.org/shop/mmdvm-repeater-board-v3f4-dmr-ysf-d-star ..., MMDVM HotSpot: firmware for ZUMspot or MMDVM_HS based boards (D-Star, DMR, YSF, P25, NXDN and POCSAG) - Releases · juribeparada/MMDVM_HS ... Enabling Serial Repeater RX (Garry WD0DUD) Add D2RG MMDVM_HS support; Assets 30. All reactions. ZUMspot/MMDVM_HS v1.4.16. 17 Feb 14:47 . juribeparada. v1.4.16 …, Our FAQ write-up indicates to use "repeater mode" as doing so enables analog revert. This uses the internal repeater functionality for analog. (as you have found out) The cable is wired so the (channel active) output of the repeater is active and thus inhibits the MMDVM during an analog call. (Analog has priority over digital), Explore a wide range of the best mmdvm repeater on AliExpress to find one that suits you! Besides good quality brands, you’ll also find plenty of discounts when you shop for mmdvm repeater during big sales. Don’t forget one crucial step - filter for items that offer bonus perks like free shipping & free return to make the most of your ..., I have a STM32-dvm / mmdvm_hs Rasp-Pi 3 Hat GPIO modem from Repeater Builder that I'm trying to figure out. It's either the way MMDVMHost Modem TXInvert or RXInvert is set or it's the pin outs on the radio. I have it connected to a Kenwood TM700 using the 6 pin DIN cable that came with the modem. If I have TXInvert set to 0 and RXInvert set to ..., Intro. After the online resources to mount its full duplex MMDVM digital repeater based on Arduino and Nucleo STM32F4, here is the time to explain how to set up a “homemade” access point (Hotspot) MMDVM based on a few simple elements: A “STM32Duino” board based on STM32F103 CPU, which we will program with MMDVM (firmware), There are several ways to diagnose diabetes. Each way usually needs to be repeated on a second day to diagnose diabetes. Testing should be carried out in a health care setting (suc..., Specifications. The MMDVM-Pi board is designed for repeater and high power hotspot applications – connects to user supplied Raspberry Pi board and radio(s) Utilizes a high performance 32bit ARM processor (STM32F722) running at 180Mhz (Room for future upgrades) Fifth generation analog filter design that provides an extremely low BER compared ..., Latest jumbospot latest upgraded OTG pi-star version MMDVM Repeater open-source Multi-Mode Digital Voice Modem for raspberry PI. 1 sold. 39,87US $. Extra 3% off with coins., Welcome to CDM Repeater, everyone’s favorite online store. We’ve got great deals available on a selection of our newest arrivals and clearance items. Browse through our catalog today and save big on your next purchase. Due to supply chain issues and pricing, I have been forced to bump my prices a bit to cover my costs. Youtube., "HAY VICTORIA "Josh MoralesUnción Producciones 2017Verso 1Calmas toda tempestad Alumbras mi oscuridad La montaña frente a miLa echas al profundo mar Verso 2G..., Repeater Builder STM32-DVM-FAQ. Links to instructional videos: Thanks to Craig Gagner W1MSG. A video on how to adjust audio levels: https://youtu.be/dYBRPLysazg. Info on the "expert" settings of PiStar: https://www.youtube.com/watch?v=zzvRVaoIuXg., 7 October, 2021 Indra Sanjaya Amatir Radio, Featured 2. Merakit Pancar Ulang (Repeater) Digital Voice dengan bahan radio analog dan MMDVM board tidak membutuhkan biaya sebesar Radio Pancar Ulang bermerk. DV (Digital Voice) merupakan komunikasi suara digital melalui gelombang radio yang diperbolehkan untuk penggunaan Amatir di Indonesia., Use MMDVM on a repeater with Raspberry PI3, Arduino and NTH radio card. On the raspberry I mounted a UTAH SD but I have the problem that when I restart the raspberry, the MMDVMHost does not start automatically .. By launching MMDVMHost instead manually, it works regularly., # RSSI Default Values for MMDVM_HS # 43 -43 53 -53 63 -63 73 -73 83 -83 93 -93 99 -99 105 -105 111 -111 117 -117 123 -123 129 -129 135 -135 141 -141 ... Repeater-Builder V3 board has a pot to adjust the RSSI voltage. Many thanks in advance for help with this. 73 Chris K7AZ. Top. ZL2ARL, FileRoot=MMDVM [CW Id] Enable=1 Time=10 [DMR Id Lookup] File=DMRIds.dat Time=24 [DMR] Enable=1 Id=250199 ColorCode=1 [DMR Network] Enable=1 …, J-STAR Users Guide : Allstarlink Setup. Preview. at March 15, 2024. Email ThisBlogThis!Share to TwitterShare to FacebookShare to Pinterest. Labels: Allstarlink., 75.1 %. free Downloads. 10000+ "ham radio mmdvm repeater board" printable 3D Models. Every Day new 3D Models from all over the World. Click to find the best Results for ham radio mmdvm repeater board Models for your 3D Printer., We are using a Yaesu DR-1X repeater with an MMDVM KI6ZUM radio pcb for raspberry pi board plugged into the rear 15w HD connector of the DR-1X. The MMDVM is run by a tiny Raspberry Pi 4 computer with the Pi-Star image installed. You can now operate through GB7IT on 439.5125 MHz with a -9 MHz TX shift using DMR. You listen on 439.5125MHz., Unlike the DV4mini, DVMEGA, and OpenSPOT dongles the MMDVM project is not a product but a small system comprising a Linux platform (often a Raspberry Pi), a small 32-bit ARM Coretex M3 microcontroller, and an analog interface circuit to connect an analog FM transceiver. ... If you wish to connect a permanent MMDVM repeater please contact John ..., KS-DMR, the originator of Kansas talkgroup 3120, is a consortium of Amateur Radio Service DMR repeater operators in the State of Kansas which are networked together independently of major networks.This website is maintained for the purpose of having a central place to provide information for utilizing the repeaters on the network.