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New Version VHF UHF MMDVM hotspot pi-star Support P25 DMR YSF for raspberry pi With Antenna E4-008

New Version VHF UHF MMDVM hotspot pi-star Support P25 DMR YSF for raspberry pi With Antenna E4-008

Name: New Version VHF UHF MMDVM hotspot pi-star Support P25 DMR YSF for raspberry pi With Antenna E4-008
Brand: ghmarketing.shop
SKU: 1
Price: 46.64 USD
Availability: InStock

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In Stock

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Estimated Delivery Date: Thursday, Apr 6

Due to high demand, please allow at least 2-4 weeks for delivery.

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Product Details

new pi4b need remove R1 Resistor.

Technical support website: jumbospot17.blogspot.com

STM32_MMDVM_HS HAT Rev1.7 Guide

1.Hardware add (SDA,SCL)R20,R21 Connect stm32 i2c 2 bus to OLED,and raspi. oled message pwr on without RPI using mmdvm_hs custom fw,and i2c 2 bus.

2.Support i2c communition with raspi

Setting For Pi-star software and raspberry hardware (rpi 0-3) new pi4b need remove R1 Resistor.

Controller Mode:Simplex Node

Radio Frequency : Freq:144-148,219-225,(Main Band)420-475,842-950

Example:438.000000

Radio/Modem Type:STM32-DVM(GPIO)

14.7456 TCXO with RXOFFSET=0 TXOFFSET=0

Quick start:

1.download image //www.pistar.uk/downloads/ write it to card

2.insert card to rpi

3.wait to boot 5 minutes connect wifi Pi-star-setup pass raspberry

4.open //pi-star/admin/
5.set freq ,dmr id ,dmr mode,add home’s wifi ssid…
Default Username: pi-star
Default Password: raspberry

to support i2c communication change MMDVM_HS code(by Andy Uribe CA6JAU)->Config.h

// Host communication selection:

//#define STM32_USART1_HOST

//#define STM32_USB_HOST

#define STM32_I2C_HOST

to disable i2c 2 to raspi and oled just remove R20,R21

update new FW: (pi-star / expert / ssh access / user :pi-star pass:raspberry)

sudo pistar-mmdvmhshatflash hs_hat

ps:update new FW no oled pwr on message.

mode info pls visit

www.mmdvm.club

Best version on aliexpress :

1.Latest version and the firmware is latest

2. original cystal : Original ECS-TXO-3225-147.4-TR from USA

3. With white on-board antenna

Features:

PLS note: the RXofffset is : -475(minus 475)

· High performance 32-bit ARM processor
· Fully tested
· Supports DMR, P-25, D-Star and System Fusion
· Onboard LEDs to show status (Tx, Rx, PTT, Mode)
· Up to 10mW RF power
· SMA antenna connector, Antenna included
· Mounts cleanly on all current Raspberry Pi’s including the Pi Zero
· The firmware is pre-loaded and is easily upgraded via software.
· Open source 3D printable case available

· uhf 430-450 MHz ,433mhz and 900MHz

VHF 144 220 Opera FREQ (not main band)

Package :

Antenna + MMDVM HotSPOT Module,,

Note:

not include the raspberry pi
The latest firmware is pre-loaded

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Item Specifics

Model Number:

KSY1-P25new

is_customized:

With USB:

yes

Compatible Brand/Model:

None

Origin:

Mainland China

Brand Name:

Kaisaya

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