Suggestions before place order directly from this website.
[The European Union (EU) countries: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, and Sweden.]
Fast deliver with IOSS Number pre-tax 20%, please buy in following link, any questions please contact: bi7jta@gmail.com
Just Modem and cable (to EU with pre-tax) https://www.aliexpress.com/item/4000024156472.html
Full assemble with Raspberry Pi 4B, Not provide in AliExpress store , because the TAX too high ,suggest buy RPi 4B yourself.
Modem and Cable for TKR850/TKR820 https://www.aliexpress.com/item/3256805441386093.html
Ship to Russia, Ukraine https://www.aliexpress.com/item/4000024156472.html
Can I build my Digital repeater successful? Any help?Don't worry, I have serviced many and many HAMs ,I can sure I can give you help, but PATIENCE is necessary. YOUTUBE https://www.youtube.com/winters_huang
In order to use fast AliExpress shipping channel , consider buy the Cable and ship cost here https://www.aliexpress.com/item/1005006128540260.html , then place the MMDVM board in this website , I will remove the ship cost for you . I will EMAIL/Facebook/Telegram/WhatsApp you after I received your order information , let me know your contact methods.
Make it Easy!
*** Due to the increase in the price of Raspberry Pi and SD cards, I no longer provide these components, you need prepare by yourself.
-- Raspberry Pi 3B/4B/,and RPi5B need 5V5A PDU.
-- SD cards 8G/16G C10(Write 10MB/s at least)
-- SD Card PC USB write adapter
I will provide you with videos and tutorials on how to Flash Pi-Star /WPSD IMG. It's very simple.
2024.01.15 : J-STAR (Desktop PI-STAR support Raspberry Pi 5B) , Firmware default :115200bps with FM M17 feature, if need 460800bps FM Network, flash follow WIKI guide , or remark message before order )
2024.01.18 Subscribe update daily & weekly https://groups.io/g/J-STAR (Join our Telegram and Facebook group)
https://www.youtube.com/watch?v=xo7t-xKQoAI
https://www.youtube.com/watch?v=irD5EHNH32k
https://www.youtube.com/watch?v=ym4J-sxuePg
https://www.youtube.com/watch?v=rvKDBZQrrCY [for FC302]
Join our Facebook group:
https://www.facebook.com/groups/v3f446/media
Available products:
Please contact me by EMAIL or Facebook Message, send the photos to description your requirements.
More show in YouTube www.youtube.com/winters_huang
Descriptions:
Build your DMR/YSF Digital repeater, hotspot use Analog radios, such as GM338,GM340,FT-7800, IC-2820, also support DR-1X, MTR2000, Tait, see also WIKI.
Any Questions please Contact me anytime (https://www.bi7jta.org/contactus)
Helpful Reference to build your HomeBrew Digital Repeater && HopSPOT
Assemble for reference (Shared by HAMs)
BPi-M2 1GbRAM_16GbRAM: Power than and replace Raspberry Pi 3B, running Pi-Star OS
USBtoPCAdapter: for use PC Linux Windows, VMVare Pi-Star, BlueDV replace Raspberry Pi Pi-Star OS.
Diagram, USBtoTTL witout A+ extend
Pi-Star for Windows10, macOS:
TKR850 in YouTube demo
WIKI https://www.bi7jta.org/wiki/index.php?title=Main_Page#Repeater_Board
3.21 Repeater Board
3.21.1 Pi-Star Settings
3.21.2 Very Important Process: Calibration Frequency Offset
3.21.3 Simplex and Repeater diagram (Motorola 16 Pins and 20 Pins)
3.21.4 V3F4 Pinout define
3.21.5 COS LED bright means RX and TX work (in Duplex/repeater mode)
3.21.6 FT-7900/7800/8900 YAESU
3.21.7 FT-817/991/857D
3.21.8 FTM-100D/FTM-350/FTM-400D
3.21.9 DR-1X YAESU
3.21.10 Yaesu / Vertex VX-5000
3.21.11 GM3188/GM3688/CM140/CM340
3.21.12 GM338-CDM1250-CDM1550-CDM750-MCX760
3.21.13 ICOM IC-208H
3.21.14 ICOM IC-2720/IC-2820
3.21.15 GM300/M120 Motorola
3.21.16 SM50/SM120
3.21.17 GM340/GM350/GM360
3.21.18 GM950i Motorola
3.21.19 Pro5100 Motorola
3.21.20 Kenwood TK8180 TK8185
3.21.21 Kenwood TM-451E
3.21.22 Kenwood TM-D700
3.21.23 Kenwood TM-271
3.21.24 Kenwood TM-V71A
3.21.25 Kenwood TKR-820 TKR-720
3.21.26 Kenwood TKR-850 TKR-750
3.21.27 Kenwood Other
3.21.28 XPR4550/M8268/XPR5550e DMR serial radio
3.21.29 MTM5400 Motorola Tetra
3.21.30 XiR M3188/XiR M3688 DMR radio
3.21.31 Data radio FC302
3.21.32 MTR2000 Motorola
3.21.33 MCS2000
3.21.34 Tait TM8100
3.21.35 Tait TM8200
3.21.36 Tait T855-T857-T858
3.21.37 Tait TB7100
3.21.38 Huawei E403 SU450C
3.21.39 TYT-TH9000
3.21.40 Hytera RD982/RD980
3.21.41 Other Radio not test
3.21.41.1 Hytera TR960
3.21.41.2 GM660
3.21.42 Recommend Radio for MMDVM G4KLX
3.21.43 RadioCPS DMR radio templates
3.21.44 FM Analog mode
3.21.45 FM Network
3.21.46 M17 Mode
3.21.47 Upgrade firmware
3.21.48 Troubleshooting Possible Error
3.21.49 Compile firmware
3.21.50 How to Debug RX and TX
3.21.51 Adjust TX Level with SDR
3.21.52 Adjust RX Level with MMDVMCal
3.21.53 Adjust RSSI Potentiometer
3.21.54 TX/RX/RV2/RSSI Potentiometer Reference
3.21.55 Config TalkGroup WhiteList
All Ready Assemble, All in one(choose Pi Host option)
Why we need a RTL-SDR, SDPlay, RF tester for debug our devices?
https://www.bi7jta.org/wiki/index.php?title=Main_Page#Adjust_TX_Level_with_SDR
