The MB1 transceiver is a game-changer, it's a transceiver and a PC in a single package. It has a classic design, developed over several decades, with the most advanced DUC/DDC SDR technologies - Direct Down Conversion (DDC) and Direct Up Conversion (DUC) and a fully-featured high-end personal computer with an Intel Core i7 processor onboard.
MB1 Prime 2021, its main advantages in comparison to the previous MB1 Prime model:
1. New PC hardware:
Motherboard - GA-IMB370TN instead of MDH11HI
CPU - Intel® Core™ i7-9700 instead of Intel® Core™ i7-7700T
RAM - 16 GB DDR4 instead of 16 GB DDR3
SSD - Samsung 970 EVO 500 GB instead of generic SSD
2. Improved TX IMD3 ~37 dB across all HF bands, with 100W output power
Features of the transceiver
* ** *** These functions are supported by the transceiver's hardware, but is not implemented in the ExpertSDR2 software. They will be supported in the future ExpertSDR2 software releases.
PC capabilities of the transceiver
Installation of digital modes software
Installation of HAM and Contest logs
Two CW Skimmers may be used on different bands
The transceiver can connect to the LAN and the Internet
Use of Internet applications (e.g. e-mail, Skype, ICQ, TV, etc.)
Play video and audio files
Watch TV via USB-receivers
An opportunity to connect two external displays, keyboard, mouse
An opportunity to connect external speakers to the PHONES jack on the front panel
Application area
Block scheme
MB1+ATU supplied accessories
Additional accessories:
RF ADC, bit @ MHz | 16 @ 160 |
ADC type | LTC2209 |
RX Frequency range, MHz | 0.1...65; 95...155 |
Independent software receivers | 2 + 2 SubRX |
Sample rate, kHz @ bit | 39; 78; 156; 312 @ 24 |
Bandscope, MHz | 80 |
RX HF filters, MHz | LPF: 65 or 9 x BPF |
RX VHF filters, MHz | WideRX: 95-155 or SAW filter for 2M: 144-148 |
BDR on HF, dB | 130 |
BDR on VHF, dB | 114* |
Sensitivity, uV | 0.2 |
DR IMD3, not less dB | 98 |
RMDR, dB | 110 |
ATT/Preamp, dB | -20; -10; 0; +10 |
VHF LNA, dB | +22 |
RF DAC, bit @ MHz | 14 @ 640 |
TX Frequency range, M | All amateur bands 160-6; 2 |
Output power on HF, W | 100 |
Output power on 6M, W | 50 (up to 60) |
Output power on VHF, W | 50 |
TX IMD3, dB | 25-30 on HF/VHF |
Local oscillator TCXO, MHz +/- ppm | 20 +/- 0.5 |
External 10 MHz oscillator input | + |
Built-in audio codec, bit | 24 |
RF input/output | 4HF (SO 239) 2VHF (N-type) 1XVTR, ADC IN, DAC OUT (SMA) |
Built-in PC |
Windows 10 OS |
AC voltage range, V, Hz | ~100...240; 50...60 |
Power consumption RX/TX, W | 320 |
Operating temperature, °C/°F | 0...+50/ +32...+122 |
Dimensions L x W x H, cm/inches | 32.5 x 28.5 x 15.0/ 12.6 x 9.84 x 5.51 |
Weight, kg/lbs | 9.3/ 22 |
Specifications are subject to change without notice or obligation and specifications are only guaranteed within the amateur radio bands.
Additional High Pass Filter (HPF) for VHF with pass frequency 100 MHz.
HPF can be easily installed inside the transceiver.
Terms of the products warranty
User Manual 1.2.1
This document thoroughly describes MB1 functionality and characteristics. 29.06.2023
User Manual Addendum, by Erik EI4KF
Adenda del Manual del Usuario version 6.12 12-05-2021
Useful diagrams
ExtCtrl to SPE Expert PAs connection diagram
ExtCtrl to ACOM PAs connection diagram
ExtCtrl to EB104 connection diagram
Recommended by EB104 manufacturer
ExtCtrl to EB104 connection diagram with relay
MB1 to SPE via S-BOX v2.1 (block-diagram)
MB1 to SteppIR and ACOM 1200S via S-BOX v2.1 (schematic-diagram)
MB1 to SteppIR and ACOM 1200S via S-BOX v2.1 (block-diagram)
MB1 to HLV-1000 connection diagram
SO2V operation with SDC
The diagram can be used for creating two working places with a single MB1 transceiver.
Warning! Software is device-specific! Don't mix software with unsuitable hardware, it may lead to issues that are not covered by warranty!
Warning! |
|
Software and Firmware update video instruction
|
Welcome to the new generation of SDR software – ExpertSDR3!
In 2021, we turned a new page in our history by launching the ExpertSDR3.
ExpertSDR3 software is being tested on the latest versions of Windows 10, Linux Ubuntu 22.04, and macOS 12 (with Intel CPU).
To report software bugs, please use this page.
ExpertSDR3 1.0.5 Beta
![]() |
![]() |
![]() |
ExpertSDR3 minimal system requirements:
Release Notes for alpha/beta versions of the ExpertSDR3 (link to a Google Drive folder)
Notas de la versión beta 1_0_0 de ExpertSDR3
Expert Remote System (ERS) reviewed by Werner Schnorrenberg (DC4KU) (July 2022)
English version / German version
Published in Funkamateur
Expert Remote System (ERS) reviewed by Werner Schnorrenberg (DC4KU) (July 2022)
English version / German version
Published in Funkamateur
Review by Tom McQuiggan (M7MCQ) (July 2021)
ExpertRemote system reviewed by Werner Schnorrenberg (DC4KU) (November 2019)
Published in Funkamateur 3-2020
Review in NCJ (National Contest Journal) by Pascal Villeneuve, VA2PV (March / April 2019)
English version / French version
Video review by Pascal Villeneuve, VA2PV (May 2018)
English version / French version
RI1F DXpedition log (September 2017)
Movie about "Arctic Legends. RI1F – Viktoria island" expedition
Review on SDRZone website, by Mark Abraham, NI0Z (June 2017)
Link to the home page - https://sdrzone.com/index.php
Review in Funkamateur, by Willi Passmann, DJ6JZ (October/November 2016)
Link to the website - http://www.funkamateur.de/
Review in Practical Wireless, by Don Field, G3XTT (July 2016)
Link to the website - http://www.pwpublishing.ltd.uk