3DR Radio Telemetry 500MW 915Mhz 433Mhz Air and Ground Data Transmit Module For APM 2.6 2.8 Pixhawk Flight Control

3DR 100mW 500mw 1000mw Radio Telemetry 433Mhz / 915Mhz Air and Ground Data Transmit Module for APM 2.6 2.8 Pixhawk Flight Control

Features:
Specification:
Item Name: 500mw 3DR Radio Telemetry Module
Frequency:433MHZ /915MHZ
Antenna connectors: RP-SMA connector
Power: 500mw
Sensitivity: -118dBm sensitivity
Interface: Standard TTL UART
Connection status: LED indicators
Net weight: 63g
RadioTelemetry Air Module Dimension: 51*30*10mm/12g
RadioTelemetry Ground Module Dimension: 70*25*12mm/15g

Package included:
1 x 3DR 500mw 915MHz/433MHz Radio Telemetry (100MW or 500mw)

3DR Radio 433mhz 433 1000MW Data Telemetry TTL & USB Port 2KM-3KM distance For APM2.6 APM2.8 Pixhawk 2.4.8 Pixhack FPV RC Drone

Package Included:
1 x Air Module
1 x Groudstation Module
1 x Apm Cable 5P
1 x Pixhawk Cable 6P
1 x OTG Cable

Specification:
Model: 3DR Radio Telemetry V3
Item Name: 433MHz 1000mW 3DR Radio Telemetry Module
Frequency : 433MHZ
Receiving Sensitivity : -140 dBm
Transmit Power : up to 30dBm(1000mW@9600bps)
Size: 53x25x12mm ( LxWxH)
Weight: about 11g (without antenna)
CP2102 high quality USB to TTL chips
Transparent serial link
Air data rates up to 250kbps
MAVLink protocol framing and status reporting
Frequency hopping spread spectrum (FHSS)
Adaptive time division multiplexing (TDM)
Support for LBT and AFA
Configurable duty cycle
Built in error correcting code (can correct up to 25% data bit errors)
Demonstrated range of several kilometers with a small omni antenna
Can be used with a bi-directional amplifier for even more range
Open source firmware
AT commands for radio configuration
RT commands for remote radio configuration
Based on HM-TRP radio modules, with Si1000 8051 micro-controller

Features:
Independent signal amplifier 1W
Same design, both modules can be used either on the groundstation or in the air
Both come with Micro USB TTL port
Equips with 3 kinds of cable for APM and Pixhawk(5P for Apm,6P for Pixhawk) OTG
Use a small omnidirectional antenna up to several kilometers
Bidirectional amplifiers available for greater range
Open source firmware