DSM2 Micro RC Receiver 

Channels: 5 channels (6 channels PPM)
Receiving Sensitivity: -99dBm
Frequency Range: 2.4-2.48GHz
Power: 3.7-5V DC
Weight: 0.28g
Antenna Length: 30mm
Size: 9.5mm*10.5mm*2.5mm
 
Generally this DSM2 could support all JR and Spektrum transmitter. It also could support WALKERA DEVO 10 and DEVO 7E with deviation firmware. And it could support all transmitter which has DSM2 protocol.
 
There is no bind pin designed, the receiver has an "autobind" procedure just like with small quad-copters. When switch on, receiver tries to bind with transmitter for about 3s (led is blinking). If receiver find a transmitter (must be also in bind mode) then it records transmitter identifier and works with it. If it cant bind with a transmitter then is retrieves previously bind transmitter identifier and works with it. This way, you save an extra pin and just need to bind only once. After bind procedure, If reception is ok then led if on, if no reception at all led if off, if reception if bad led is blinking randomly.
 
CH1 to CH5 is servo signal output.
If CH1 connect to GND, CH2 will output 6CH PPM signal.