Comparison of AT9,AT9S,AT9S Pro,AT10,AT10II
Model AT9(out of production) AT9S(out of production) AT9S Pro AT10(out of production) AT10II
Picture
Optional color Classic Grey  Champagne gold & classic grey Champagne gold & classic grey Orange &  Classic Gray
Communication technology DSSS

DSSS&FHSS

16 channels pseudo-random frequency hopping

DSSS&FHSS

16 channels pseudo-random frequency hopping

DSSS

DSSS&FHSS

16 channels pseudo-random frequency hopping

/ / CRSF /
Support signal  SBUS&PPM&PWM SBUS&PPM&PWM&CRSF SBUS&PPM&PWM
Support TBS CROSSFIRE LITE 915 or not  Not Not  Yes Not  Not 
Support ExpressLRS or not  Not Not  Yes Not  Not 
Servo signal regular jitter 2us 0.5us 0.5us 2us 0.5us
Transmitter antenna 3dBi 3dBi 3dBi 3dBi 7dBi Hign Gain
Operating voltage 7.4~18V 7.4~18V
When Crossfire TX is connected, a maximum 3S LiPo battery is supported
7.4~15V
Operating current  90mA@12V 90mA@12V - DSSS&FHSS
CRSF: The operating current is related to the setting power of TBS Crossfire(the actual power of Crossfire will change over the flight distance, up to 2W)
105mA@12V
Transmitter power  <100mW  <100mW(20dbm) - DSSS&FHSS
CRSF:10mW/25mW/100mW/500mW/1W/2W (Optional)
 The transmitter power can be set to 2W when connecting the TBS crossfire, the actual power of the Crossfire will change over the flight distance. 
<100mW(20dbm)
Size 183*100*193mm 180*95*220mm
Weight  0.88kg 0.95kg
Screen size  2.8 inches 16 colorful screen, 240*320 PX 3.5 in.,320*480pixel
Menu language  Chinese & English Chinese & English
Compatible models Helicopter, Fixed wing, Glider, Multi-rotor, car, boat, robot, Mecha Helicopter, Fixed wing, Glider, Multi-rotor, car, boat, robot, Mecha
Menu function Same Same
Support Receivers

R6D&R6DII&

R6DS&R6DSM

R6DII&R6DS&R6DSM

R6DII&R6DS

&R6DSM

R6DII&R6DS

&R6DSM

R6DII&R6DS

&R6DSM

R9D&R9DS R9DS(standard) R9DS(standard) R9DS R9DS
R10D&R10DII&R10DS R10DII&R10DS R10DII&R10DS R10DII&R10DS R10DII&R10DS
R12DS&R12DSM R12DS&R12DSM R12DS&R12DSM

R12DS(standard)

&R12DSM

R12DS(standard)

&R12DSM

TBS crossfire receiver
NOT supported
TBS crossfire receiver
NOT supported
 TBS crossfire receiver binds to TBS crossfire TX TBS crossfire receiver
NOT supported
Control distance Ground-900M, Air-1.5KM

Ground-1.5KM,

Air-4KM

Ground-1.5KM,

Air-4KM

Ground-1.1km,

Air-1.5km

Ground-1.5KM,

Air-4KM