This MMDVM for Raspberry Pi 3B and 3B+ provides a multimode digital access point: D-Star, DMR, C4FM, P25, POCSAG and NXDN.
The DUPLEX version, allows to use in DMR the 2 TimeSlot or to create a mini MMDVM repeater.
The card operates in RX and TX from 60MHz to 650MHz with 10mW max.
Compatible with the Pi-Star application from MW0MWZ for Linux and LCD display management nextion (not included).
Delivered with: 1 MMDVM DUPLEX Hotspot board for Raspberry Pi (not included), 2 antennas 433Mhz, 4-pin Nextion LCD connector.
MMDVM mode: DMR, YSF, P25, NXDN, DSTAR, POCSAG
Frequency: 60MHz to 650MHz
TCXO: 14.7456MHz, ± 2.5 ppm
Duplex : 2 Timeslot
Compatible with Raspberry Pi 3B and 3B +, Pi ZERO, NanoPi NEO, Orange Pi
Power supply: 5V 2A
Transmitter IC: 2x ADF7021 (programmable power from -16dBm to + 13dBm)
TCXO: 14.7456MHz, ± 2.5 ppm
Design and realisation by amateur radio BI7JTA et VR2YVE.
Country of origin: China
|Jim on 2020-05-03|
With a DMR ht and a Fusion ht, can this single duplex hotspot when connected to a raspberry pi 3 be used to monitor and send and receive on both digital modes ? Are the setup instructions provided?
The duplex hotspot mmdvm will work only in one digital mode at the same time.
You will find a user guide from BI7JTA website: http://mmdvm.bi7jta.org/2018/04/userguide-for-duplexhotspot-only-for.html
|Stuart de G8YDE on 2020-04-21|
Will this hotspot work with Raspberry Pi4?
Simplex and duplex HAT of this MMDVM hotspot work with Raspberry Pi 4 with Pi-Star 4.0+ version software.
The new Raspberry Pi 3 model B & B+ features a 1.4Ghz Quad Core processor, WiFi 2.4Ghz / 5Ghz and Bluetooth Low Energy (BLE), making it even easier to develop RF and IoT radio applications. CPU
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Stock and shipped from France
14 days to return, 2 warranty
Response within 24h to 72h
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