FlySky FRM303 2.4GHz 18CH AFHDS 3 Long Range RF Module for PL18 EL18 NB4 Controllers

Description

FlySky FRM303 2.4GHz 18CH AFHDS 3 Long Range Transmitter RF Module PPM/S.BUS Output for Flysky PL18 EL18 NB4/NB4 Pro Radio Controller

The FlySky FRM303 is a high-performance 2.4GHz 18-channel RF module designed for long-range communication, compatible with Flysky PL18, EL18, and NB4/NB4 Pro radio controllers. It operates on the AFHDS 3 protocol, ensuring reliable frequency hopping. This module features an external replaceable SMA antenna for enhanced signal transmission and supports PPM, S.BUS, and UART inputs. It offers three power supply options and includes a voltage alarm function for external power sources. Ideal for fixed-wing aircraft, racing drones, and relays, it delivers a maximum power of less than 20dBm, with a range exceeding 3500 meters under optimal conditions.

FlySky FRM303 2.4GHz 18CH AFHDS 3 Long Range Transmitter RF Module PPM/S.BUS Output for Flysky PL18 EL18 NB4/NB4 Pro Radio Controller
FRM303 is a multi-function high performance RF module in compliance with the AFHDS 3 third generation automatic frequency hopping digital system protocol. It features an external replaceable single antenna, support of bi-directional transmission, three power supply methods, support of voltage alarm function in case of external power supply, and support ofinputting PPM, S.BUS and UART signal.
Description:
Brand: FlySky
ProductName: FRM303
Adaptive Devices:
PPM: Devices that can output standard PPM signals, such as FS-TH9X, FS-ST8, FTR8B receiver.
S.BUS: Devices that can output standard S.BUS signals, such as FS-ST8, FTr8B receiver;
Closed Source Protocol-1.5M UART: PL18;
Open Source Protocol-1.5M UART: EL18;
Open source protocol-115200 UART: Devices that can output open source protocol-115200 UART signal .
AdaptiveModels: Fixed-wing aircraft, racing drones, relays, etc.
Number of Channels: 18
Resolution: 4096
RF: 2.4GHz ISM
2.4G Protocol: AFHDS 3
Maximum Power: < 20dBm (e.i.r.p.) ㄗEUㄘ
Distance: > 3500m (Air distance without interference)
Antenna: External sigle SMA antennaㄗOuter-screw-inner-pinㄘ
Input Power:XT30 Interfac:5~28V/DC
Signal Interface: 5~10V/DC
USB Port: 4.5~5.5V/DC
WorkingCurrent: 98mA/8.4V(External power supply)
138mA/5.8V (Internal power supply)
135mA/5V(USB)
Data Interface: PPM, UART and S.BUS
TemperatureRange: -10⊥ ~ +60⊥
HumidityRange: 20% ~ 95%
Online Update: Yes
Dimensions: 75*44*15.5mm(Excluding antennaㄘ
Weight: 65g(Excluding antenna and adapterㄘ
Certifications: CE, FCC ID:2A2UNFRM30300

Package Included:
1 x FlySky FRM303 2.4GHz Transmitter RF Module