BI7JTA'S HAM RADIO help you build your Digital Repeater and Hotspot easier.

 For your easy DIY work. Winters CN for more information, have fun! 

MMDVM Repeater board V3F4, DMR YSF D-STAR NXDN M17 POCSAG FM

https://www.bi7jta.org/shop/mmdvm-repeater-board-v3f4-dmr-ysf-d-star-nxdn-pocsag-fm-3#attr=63,284,117

Duplex hotspot board with ANTs, DMR C4FM D-STAR NXDN POCSAG

https://www.bi7jta.org/shop/duplex-hotspot-board-with-ants-dmr-c4fm-d-star-nxdn-pocsag-13

See more list ,website, AliExpress, eBay  : https://www.bi7jta.org/shop

VY 73 ,DE BI7JTA

RSSI Setup for MMDVM/SVXLINK @OH1E #DMR_Repeater_DIY #GM340 #CDM1550 #GM338

Videos shared by @OH1E RiKu Bister

RSSI Setup for MMDVM/SVXLINK

https://youtu.be/DSWPLDOZk8s?si=DyP5VfO7gaLRcjKt

 

@Pawel Rozenek 

More discuss:

https://www.facebook.com/groups/443231163363290/search/?q=RSSi

MMDVM Repeater build Cookbook ---- available mobile radios list. update 2024.9

Synchronize with bi7jta.org/wiki/ , bi7jta.org/shop/

4.17.6 FT-7900/7800/8900 YAESU

4.17.7 FT-817/991/857D/897D

4.17.8 FTM-100D/FTM-350/FTM-400D

4.17.9 FTM-5000/FTM-300D/FTM-500D

4.17.10 DR-1X YAESU

4.17.11 Yaesu Vertex VX-5000

4.17.12 Yaesu Vertex VX-7000 VX-9000

4.17.13 GM3188/GM3688/CM140/CM340

4.17.14 GM338-CDM1250-CDM1550-CDM750-MCX760

4.17.15 ICOM IC-208H

4.17.16 ICOM IC-2720/IC-2820

4.17.17 ICOM Id-880-HB9TUO

4.17.18 GM300/M120 Motorola

4.17.19 SM50/SM120

4.17.20 GM340/GM350/GM360

4.17.21 GM350 GM950E Hardware modify

4.17.22 GM950i Motorola

4.17.23 GM1280 Motorola

4.17.24 Pro5100 Motorola

4.17.25 Kenwood TK8180 TK8185

4.17.26 Kenwood TK-7180 VHF NX-700 NX-800

4.17.27 Kenwood TM-451E

4.17.28 Kenwood TM-D700 TM-D710

4.17.29 Kenwood TM-271

4.17.30 Kenwood TM-V71A

4.17.31 Kenwood TKR-820 TKR-720

4.17.32 Kenwood TKR-850 TKR-750

4.17.33 Kenwood Other

4.17.34 XPR4550/M8268/XPR5550e DMR serial radio

4.17.35 XPR 8300 MotoTRBO repeater

4.17.36 MTM5400 Motorola Tetra

4.17.37 XiR M3188/XiR M3688 DMR radio

4.17.38 Data radio FC302

4.17.39 MTR2000 Motorola

4.17.40 GM1200

4.17.41 MCS2000

4.17.42 Tait TM8100 Tait TM8200

4.17.44 Tait T855-T857-T858

4.17.45 Tait TB7100

4.17.46 Huawei E403 SU450C

4.17.47 TYT-TH9000

4.17.48 Hytera RD982/RD980

4.17.49 Hytera RD625

4.17.50 Other Radio not test

4.17.50.1 Hytera TR960

4.17.50.2 GM660

4.17.50.3 MX800 (Motorola OEM)

More information in my website : https://www.bi7jta.org/shop/mmdvm-repeater-board-v3f4-dmr-ysf-d-star-nxdn-pocsag-fm-3#attr=63,284,117

VY 73 DE BI7JTA

DroidStar build for MacOS x86, Very useful MMDVM debugging tool DMR YSF M17 P25 NXDN D-STAR Allstarlink

DroidStar build for MacOS x86 ,have fun!

Very useful MMDVM debugging tool, software AMBE. #DroidStar Tip: For the unofficial release of the debug version, please go to --> System Settings --> Privacy and Settings --> Security to allow the current program to open. MAC operating system ARM CPU is not supported

For MacOS: Intel &Apple ARMChip:

https://drive.google.com/drive/folders/1uJuwaHMT0jcL8bTqFgg51Wc-LzFk57QC?usp=sharing

for iOS https://testflight.apple.com/join/zQp3HuMs (iOS @VU3LVO)

for Android : https://play.google.com/store/apps/details?id=org.dudetronics.droidstar&hl=en_US

for Windows: http://pizzanbeer.net/droidstar/

Join and discuss https://www.bi7jta.org/wiki/index.php?title=Main_Page#Contact_me_Now

More MMDVM Hardware: http://www.bi7jta.org/shop

VY 73 DE BI7JTA

J-STAR Users Guide : Allstarlink Setup in Discuss #MMDVM #DVSWitch in one IMG

Settings guide: 

https://discord.gg/JySeg9BgaN (Discord)

Preview:

VY 73 DE BI7JTA

TKR-850 Upgrade DMR MMDVM repeater

 Assemble for Keenwood, plugs and play.

Check it out .

  

User's Manual for Duplex_Model_A:ALC_SPOT ,#MMDVM

Overview

PDF： https://www.bi7jta.org/files/UserManuals/Duplex%20hotspot%20User%27s%20Manual_v2020_12_23.pdf

MMDVM Family #2022-to-NOW #BI7JTA #DMR/YSF/DSTAR/NXDN/P25/POCSAG

Family of MMDVM ver.2022

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-nxdn-pocsag-fm-3

All assemble:

Description:

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Duplex HotSpot for Raspberry Pi 3B/4B

Functions: Act as 20mWatt Mini Digital repeater, network hotspot, SMA antenna

User's guide: Wiki

Devices && software: https://www.bi7jta.org/shop/duplex-hotspot-board-with-ants-dmr-c4fm-d-star-nxdn-pocsag-13

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Duplex_Mini HotSpot for Raspberry Pi Zero/W

Functions:  Act as 20mWatt Mini Digital repeater, network hotspot, with Ceramic Antenna

User's guide:  Wiki

Devices && software: https://www.bi7jta.org/shop/duplex-mini-hotspot-board-with-ceramic-antenna-84

All assemble 2.4inch/3.5/5/7:

Devices && software: https://www.bi7jta.org/shop/duplex-neospot-model-a-3d-white-2-4inch-34

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Cool FAN Simplex hotSpot

Functions:

User's guide:

Devices && software: Out of stock

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 Simplex hotSpot for Raspberry Zero/W

Functions: 20mWatt MMDVM network hotspot, Not support 3B+, 4B

User's guide: Wiki 

Devices && software: https://www.bi7jta.org/shop/simplex-hotspot-for-raspberry-pi-zero-3b-nanopi-86

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NANO hotSPOT(CNC Case )

Functions: Mini and Portable, L/W/H 4.7x4.5x3.8mm, inner slim fan and heatSink, keep the temperature cool

User's guide: Wiki/Youtube

Devices && software: https://www.bi7jta.org/shop/nano-hotspot-cnc-case-for-mmdvm-18

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DE BI7JTA, Continue editing...

bi7jta@gmail.com , https://facebook.com/winters.cn

Nextion to MMDVM Hotspot

Nextion to MMDVM Hotspot

Nextion RX <---> TX HAT /USBtoTTL

Nextion TX <---> RX HAT /USBtoTTL

Nextion GND <---> GND HAT /USBtoTTL

Nextion 5V <---> 5V HAT /USBtoTTL

https://www.bi7jta.org/wiki/index.php?title=Main_Page#Nextion_to_Repeater_V3F4

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.

#MMDVM_REPEATER

https://www.bi7jta.org/cart/index.php?route=product/product&path=59_62&product_id=52

 

BI7JTA in AliExpress, eBay, IOSS TAX and EPR Policy in Germany. ----2022.7.1

My Blog Store:

https://www.bi7jta.org/cart/

** Not need pay any platform cost, 

** Buyers from USA, Canada, Southeast Asia, Japan, Switzerland and South Africa, recommend this purchase method (except for buyers from EU countries, EU buyers recommend aliexpress store).

My Aliexpress Store:   

https://www.aliexpress.com/store/5077377

** Including 10%~15% platform cost ,local country EU IOSS TAX(if in EU), 

** In addition, IOSS tax fees from EU countries will be charged. Buyers from EU countries recommend this purchase method. 

** Germany Country duo to the EPR Policy, will not appear in AliExpress/Germany, please buy in eBay link , or directly bi7jta.org/cart/. ---- 2022.7.1

eBay 

https://www.ebay.com/usr/yolanda.yyy?_trksid=p2047675.m3561.l2559

I also provide the NEO/AIR Pi Host replace Raspberry Pi 3B/4B.

https://facebook.com/winters.cn

https://twitter.com/winters_cn

bi7jta@gmail.com  

Telegram +8613927458201

DE BI7JTA,73!

How to Configure your BM Static Talkgroup use API-KEY #MMDVM #DMR

1, Register your BM Network account;

https://brandmeister.network/index.php?page=register

2, Waiting for review, during 1 or 2 days;

https://brandmeister.network/?page=login

3, Login and copy API-KEY 

I will post a demo video in my Youtube page ,please wait

https://www.youtube.com/wintershuang

END

DE BI7JTA

Contact me bi7jta@gmail.com bi7jta.org/cart

 

How to Install NextionDriver for Model 10 #MMDVM

New script :

https://wiki.bi7jta.org/wiki/index.php?title=Main_Page#Install_NextionDriver_for_Model_8.2FModel_10

73 DE BI7JTA

How to Adjust TXLevel Match your Repeater Radio #MMDVM

1, Use SDR# , RTL-SDR

2, Use SDR Uno , SDR Play

3, CMU200 

Read the detail   https://www.bi7jta.org/wiki/index.php?title=Main_Page#Adjust_TX_Level_with_SDR

Solved Problem MMDVM_Bridge DVSwitch "DMR, Master is closing down"

Error logs:

M: 2021-05-04 01:06:20.134 MMDVM_Bridge-20191105_V1.4.1 is running

E: 2021-05-04 01:06:30.243 DMR, Master is closing down

M: 2021-05-04 01:06:30.243 DMR, Closing DMR Network 

Fix:

vi /etc/MMDVM_Bridge.ini

[General]

Callsign=BI7JTA

Id=4600***

Timeout=180

Duplex=1 #Change Duplex from 0 to 1

Product available for sell #Repeater board V3F4 with Cable #MMDVM

• 
  
  

  
  

• $59.00

https://www.bi7jta.org/cart/index.php?route=product/product&path=59_62&product_id=52

PayPal

Features:

Repeater and Simplex mode change anytime , through change the RX/TX board line order.
Support MMDVM mode DMR/YSF/P25/NXDN/DSTAR/POCSAG

More demo in Youtube page https://www.youtube.com/wintershuang

Product available for sell #Duplex Model_A : ALC_SPOT_NX

$175

Features:

Support MMDVM mode DMR/YSF/P25/NXDN/DSTAR/POCSAG

Double timeslot in DMR mode, act as a mini Digital voice repeater.

Support VHF/UFH, frequency range: 144MHz-148MHz, 420MHz-475MHz,842MHz-950MHz,  Avoid satellite frequency:  145.8~146 MHz ,  435~438.000 MHz

High-quality ECS TCXO, stable with low BER. 

http://www.bi7jta.org/cart/index.php?route=product/product&product_id=59

More demo in my Youtube page

FTM-100D FTM350 #MMDVM DIAGRAM

 FTM-100D FTM350 #MMDVM

https://www.bi7jta.org/wiki/index.php?title=Main_Page#FTM-100D.2FFTM-350

Tutorials-for-all-hotspot-2020.8

Tutorials-for-Duplex-hotspot-2020.8

Demo for MTR2000 Motorola build MMDVM repeater QSO