This is a tiny 3 gram, 4 channel, Universal FM/PPM nano receiver that uses standard 75MHz single conversion crystals. (Crystals not included).
Perfect for UK Ant-Weighs (150g) and or Flea-Weights (50g).

Key Features:
Universal transmitter compatibility. (Futaba, JR, Hi-Tec, Airtronics - Not compatible with some Pistol Style Radios)
Uses common 75MHz single conversion crystals. (add wires and place in any orientation)
Ultra lightweight and tiny construction.

Specifications:
Weight: 3 grams
Channels: 4
Range: 100 meters (over 300 ft.)
Modulation: FM or PPM
Power: 3.5 - 7 volts
Signal shift: automatic, accepts (+) and (-) shift
Tuner Type: single conversion, narrow band
Plug Type: micro JST
Compatibility: any FM or PPM transmitter
Crystal compatibilty: most brand name crystals will work, but with some soldering, although the GWS UM-1 is a perfect fit

We highly recommned adding the MBP-RC Nano Plug (shown below) for this reciever.

One Male micro JST plug (receiver end). Buy 2 so you can connect the MBP-3G4 Receiver to both channels of your dual ESC.

Key Features:
Specially made to go with the MBP-3G4 Receiver to connect to your MBP-UK1.
Ultra thin wire to save even more weight.

Important Info:
For Futaba systems, use only single conversion crystals that match your 75MHz transmitter (JR crystals work fine). Solder 2 wires to your crystal to plug into receiver. Do not reverse polarity of the power source. Any channel can be used as battery input. Do not use outside the voltage range. Do not short input/output pins or pc board. Do not coil antenna (reception loss occurs). Trimming the antenna reduces range. Use a Deans base loaded antenna for best results.

Click on a thumbnail to view full size image.  Pinouts

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5/8/2009 J	This receiver is really cool, but figuring out the wiring/connectors was a pain. It looks like the wire that is available is a Y, which I didn't want. It would be nice if the Robot MarketPlace carried a wire with the micro JST connectors on it that was just a one to one connection.
11/22/2009 mspurk	TINY This rx is absolutely tiny. I'm using it in a full body spinner 150g bot. I had to remake the weapon on my bot to allow the antenna to extend outside of the spinning shell. Hopefully getting it outside the shell will improve reception. Overall it works very well especially for it's size.