Spec:
Product: Jumper 2.4G ELRS TX Module
Model Name: AION TX NANO
Screen: OLED
MCU: ESP32
RF Output Power: 10-500mw
Frequency Range: 2.4GHz-2.5GHz
Firmware: ExpressLRS
Antenna: Directionality Diamond antenna for best signal penetration
Working Voltage： DC5-8.4v
Maximum receive refresh rate: 500Hz
Menu button: 5 directions button
Voltage: DC6-8.4V
Current: ＜400mA
Port: S.port
Firmware update: via Wifi, UBC-C, or Bluetooth
 
Specifications
Dimension: 17.2*8.8*4.3mm (L x W x H)
Weight: 1.1g
Number of Channels: 16Ch
Operating Voltage Range: 3.5V~6V
Operating Current: 60mA@5V
Operating Range: Full range
Distance: ＞5KM
Compatibility: radios in ELRS 2.4 mode
 
Binding Procedure
Binding is the process of uniquely associating receiver to a transmitter/transmitter RF module . A transmitter internal or external RF module can be bound to multiple receivers (not to be used simultaneously).
A receiver can only be bound to one RF module.Follow the steps below to finish the binding procedure. 
1.Put the transmitter/transmitter RF module into binding mode
2.Power on the receiver, the receiver's green light will flash and the receiver is in binding mode. Bind in the radio, the receiver's green light will be always on, then the binding is completed.
If the receiver is not bound in 20 seconds after power-on, the receiver will get into Wifi firmware updating mode, the green light will flash at the same time.
 
Failsafe
Failsafe is a useful feature which is for a preset channel output position whenever control signal is lost for a period.
Follow the steps to set Failsafe for channels necessary :
Failsafe for receiver supporting ELRS RF mode setting can be set via radio interface, which support no pulse, hold and custom three modes for each channel.radio go to: MODEL SETUP/Internal RF/Failsafe