The DUPLEX version, allows to use in DMR the 2 TimeSlot or to create a mini MMDVM repeater.
The card can operate in RX and TX from 60MHz to 650MHz with 10mW max, but is restricted by Pi-star software to operate on VHF and UHF amateur radio frequencies.
Compatible with the Pi-Star application from MW0MWZ for Linux and LCD display management nextion (not included).
Delivered with: 1 MMDVM DUPLEX Hotspot board (version1.0.1 b3) for Raspberry Pi (not included), 2 antennas 433Mhz, 4-pin Nextion LCD connector.
User guide v2020_12_23 in english by Winters de B7JTA. 1.8M
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+, Raspberry PI4, 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
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
Antenna high performance with a gain of 2dbi and SMA male connector for 433Mhz device and application Frequencies: 433Mhz +/-15MhzConnector: SMA male Length: 18 cmCable length: 3 meters Package
DMR handheld ideal to start in digital mode, TYT MD-380 is an analogue FM and digital HT available either in single-band UHF 400-480MHz with 4 watts (real) or in single-band VHF from 136-174Mhz with 5
Mini-Antenna for 433Mhz activity (such as DMR, D-Star, P25 or C4FM) with SMA male connector for UHF device from 418Mhz to 438Mhz. Frequencies: 433Mhz +/-5MhzConnector: SMA male Length: 9,3 cm
Mini-Antenna for 433Mhz activity (such as DMR, D-Star, P25 or C4FM) with a gain of 2dbi and SMA male connector for UHF device from 418Mhz to 438Mhz. Frequencies: 433Mhz +/-5MhzConnector: SMA male
Talkie-Walkie, genuine TYT MD-280 analog FM and digital DMR, single-band VHF in reception and transmitting from 136 to 174MHz with 5 watts. Compatible with Mototrbo, Tier I and Tier II, and TDMA (2
The new TYT MD-2017 new version handheld is one of the first dual-band VHF and UHF, for analog FM and digital DMR mode, compatible Tier 1 & 2, TDMA (2 TimeSlot), Motorbro, Hytera.Waterproof (IP67
The DVMEGA DVstick 30 dongle brings a new evolution in digital DMR, D-STAR and C4FM FUSION access. With this dongle it is possible to be on DMR, D-STAR and FUSION networks without radio and with a
The pager GP2009N receives and displays alphanumeric messages and/or receives and announces voice messages. It vibrates and beeps or flashes to attract attention. Available in 2 versions for amateur
The Nano Hotspot is supplied assembled and tested before sending, it allows to have a digital access point MMDVM like: D-Star, DMR, C4FM, P25, NXDN & POCSAG for UHF 430-440Mhz amateur radio band.
The new Anytone AT-D868UV v2 is a 144/430Mhz dual-band walkie-talkie, DM analog and digital DMR, Tier I & II compatible, Motorbro and Hytera, TDMA (2 TimeSlot), with VFO, GPS and high capacity
The Pi-Star Zero Hotspot from BI7JTA is a digital MMDVM access point: D-Star, DMR, C4FM, P25, POCSAG and NXDN, for the amateur radio bands VHF 144-148Mhz and UHF 430-450Mhz and with internet
The Zero Rpi Hotspot board is an MMDVM digital access point: D-Star, DMR, C4FM, P25, POCSAG and NXDN, for the VHF 144-148Mhz and UHF 430-450Mhz radio bands. This hotspot is dual-band VHF-UHF,
The new Anytone AT-D878UV is a VHF and UHF dual-band walkie-talkie, FM and DMR digital analog, Tier I & II compatible, Motorbro and Hytera, TDMA (2 TimeSlot), VFO button, GPS with APRS FM and DMR
The new Raspberry Pi 4 B has a Quad Core 1.5Ghz 64bits processor, 2.4Ghz / 5Ghz WiFi functions, Bluetooth Low Energy (BLE 5.0), 1Go, 2Go, 4Go or 8Go DDR memory, dual video display with resolution up
BI7JTA's Raspberry Pi duplex MMDVM hotspot is a multimode digital access point: D-Star, DMR, C4FM, P25, POCSAG and NXDN, for the amateur radio bands VHF 144-148Mhz and UHF 430-450Mhz, with 10mW
|Nutters on 2020-09-02|
What Revision number is this item?
Currently version 1.0.1 b3.
|Dave on 2020-06-16|
Can this just be added to a Pi 3B+?
This HAT is compatible with Raspberry PI 3B and RPI 3B+, also RPI B4 but not compatible with Raspberry PI B4+.
Stock and shipped from France
14 days to return, 2 warranty
Response within 24h to 72h
SSL, VISA, Mastercard, Paypal