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The midiBeam system consists of two boxes, TX02 and RX02.
Attached to the instrument is the TX02 transmitter, powered by two AAA batteries. It is a small plastic box, with an LED and one pushbutton on the top for "PAIRING". The MIDI plug is hanging on one end of a short cable. The TX02 can be attached to the instrument by Velcro tape.
Midibeam TX02
The RX02 receiver is powered through the mini USB socket either from a computer or from a USB power supply. It has an LED and a "PAIRING" pushbutton as well. The MIDI output is provided either through USB or the DIN MIDI Output socket. There is a DIN MIDI Input socket as well; if the device has no radio connection then it functions as a standard MIDI Interface to a computer. No special driver installation is necessary.
Midibeam RX02
Radio connection is established between a pair of devices automatically on one of 76 radio channels by using the pairing buttons on both units. This means that up to 76 systems can coexist at one location.
The radio transmission is using the 2.4 GHz band that is free for public use all over the world. Radio power is programmable in four increments.
The transmitter can power off automatically, if it is not used for a certain time. Programmable options are 10, 30, 60 minutes or no power off.
Technical specifications
63 x 48 x 15 mm
2.5 x 1.9 x 0.6in
83 x 54 x 31 mm
3.2 x 2.1 x 1.2in
36g (without batteries)
59g (with batteries)
2 x AAA batteries
RX02: through USB socket
Transmitter battery lifetime:
66 hours (1)
Visible warning of low battery voltage:
At about 10% battery capacity.
Auto power off:
Programmable to 10, 30, 60 minutes or no power off.
Radio range:
Typically 250 meters open air, line of sight (1)
Radio band:
2.4 GHz, 76 channels
Radio power:
Programmable in 4 steps.
0.38 milliseconds (2)
Error correction:
No hanging notes even at the limit of range.
Device pairing:
Automatic on one of 76 radio channels.
Upgradable on both devices.
(1) At the highest radio power setting. There are 4 programmable radio power settings. Premium quality alkaline batteries used.
(2) From end of Note On at the input of TX02 until start of Note On at the output of RX02.