V1.3 MMDVM_HS_Dual_Hat Duplex spot board + + OLED Support P25 DMR YSF NXDN For Raspberry pi

V1.3 MMDVM_HS_Dual_Hat Duplex Hotspot board + + OLED Support P25 DMR YSF NXDN For Raspberry pi

Descrtion:

- Duplex variant of MMDVM_HS_Hat - This uses the MMDVM_HS . It has two ADF7021 onboard and allows for duplex operation with two time slots on DMR. - An accidentially deleted 3v3 wire has been added back to the layout. BOM, Mouser cart and stencil stay the same as for rev1.1. - The upper part is TX,the lower is RX . - UHF+VHF - SMA, - Modem select: STM32_HS_GPIO - Set TX frequency,RX frequency - TX,RX frequency had better 10M or more apart. - SLOT1,SLOT2 support. Features:

- High performance 32-bit ARM proceor - 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 connector, 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 Note:

1. Hardware version 1.3, software version 1.4.17 2. Without shell 3. Not include the raspberry pi 4. The firmware is pre-loaded.Please do not upgrade the firmware by yourself. Package Included:

MMDVM Hotspot Module +OLED +2 s

About shping
Shping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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