MMDVM_HS_Dual_Hat Duplex MMDVM Hotspot P25 DMR YSF NXDN Pi Revision 1.3 + OLED

Description

Item Specifics
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.
Description:
- Duplex variant of MMDVM_HS_Hat
- This PCB 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 PCB layout. BOM, Mouser cart and stencil stay the same as for rev1.1.
- The upper part is TX,the lower is RX antenna.
- UHF+VHF
- SMA,antenna
- 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 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
Package Included:
MMDVM Hotspot Module +OLED +2 Antennas
Shipment
Your item will be carefully packed and shipped within 3 business days
after the payment is clear.
Orders are not processed on weekend & holidays.
Local pick-up and Next-day delivery is unavailable at the moment.
We only ship to the confirmed address provided by eB
ay .Please check your address before placing any order.
Payment
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al is accepted only.
Payment must be made within 8 days of the auction end time or we will re-list
the item.
If you need to buy in bulk or the products you need are not listed, please contact us.
Return
We operate a 30 days money back guarantee.Please contact us before returning the item.
Items must be returned in the original packaging,include all accessories.
Please note that If the return/replacement is not a result of our mistake (not defective
or wrong item), the buyer is responsible for return shipping.
We will try our best to provide high quality service for buyers.
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