FrSky TFR4SB 3/16 channel receiver is available now: http://www.frsky-rc.com/ShowProducts.asp?id=136

1  Specifications:

Model: TFR4SB (3/16 channel FASST compatible receiver with SB port)

Dimension: 41*24*6mm

Weight: 6.0g/4.2g (naked)

Operating Voltage Range: 3.5 ~ 10V

Operating Temperature Range: -10℃~ 80℃

Servo Frame Rate: 14ms (FS - Normal Speed Mode)

                                     7ms (HS - High Speed Mode)    

2  Features:

1) Compatible with FASST 2.4G: Air Systems (7CH Mode/Multi Mode) & Surface Systems (C1 Mode)

2) SB port is compatible with Futaba S.BUS servos and FrSky servo D12MB

3) Two selectable failsafe setting options (use native failsafe on radio side or set failsafe on TFR4SB side)

4) Improved sensitivity and stability

5) Wider and higher operating temperature range, suitable for all kinds of models