Main differences between Receiver FS-IA6 and FS-IA6B:

-IA6B has 1 extra i-bus connector and supports PPM signals.

-IA6 only supports PWM signals.

Only Mode 2 is available!

Mode 2: Throttle stick on left.

Slim design on transmitter for easy handling!

Specifications:
Item name: FS-i6 transmitter
Channel: 6
Model type: Fixed wing/helicopter/glider
Channel resolution: 1024 steps
Low voltage warning: Less than 4.2 V
ANT length: 26 x 2 mm (dual antenna)
Weight: 392 grams
Battery: 4 x 6 V, 1.5AA batteries (not included)
Size: 174 x 89 x 190 mm
Color: Black
Certificate: CE, FCC

RF specifications:
RF range: 2.405 - 2.475 GHz
Bandwidth: 500khz
RF power: Less than 20dBm
RF mode: AFHDS 2A
Modulation type: GFSK
RX sensibility: -105 dBm

Receiver specifications:
Channel: 6
Model type: Fixed wing/helicopter/glider
RF receiver sensitivity: -105dBm
Modulation: GFSK
System type: AFHDS2A/AFHDS
Channel resolution: 1024 steps
Bind port: Yes
Power port: Yes( VCC)
Power: DC 4 - 6.5 V
Weight: 6.4 grams
Antenna length: 26 mm
Size: 40.4 x 21.1 x 7.35 mm
Certificate: CE, FCC
Packing list: The handle of the remote control + receiver + CD-ROM + Manual

Key features:
-Works in the frequency range of 2.405 to 2.475 GHz.This band has been divided into 142 independent channels. Each radio system uses 16 different channels and 160 different types of hopping algorithms.
-AFHDS2A system has the automatic identification function, which automatically switches the current mode between single-way communication mode and two-way communication mode according to the customer needs.
-AFHDS2A has built-in multiple channel coding and error-correction, which improves the stability of the communication and reduces the error ratio.

We provide you with the best product and service, if you have any problem, please let us know, and we will solve the problem ASAP. Thank you so much.