SKYCOM-4025


• Frequency range: 400MHz - 550MHz, and 2.0GHz - 2.5GHz
• Max 5W TX power
• Full duplex communication in both the bands
• Long-range communication
• Configurable UART TTL/RS232/RS485/RS422/Ethernet channels
• Ruggedized enclosure
• High efficiency PA
• Supports data and video transfer

#SKYCOM-2025 can be sold without the enclosure for applications where size and weight are a concern.

Introducing our cutting-edge dual-band transceiver, SKYCOM-4025, designed for seamless operation across both UHF (400MHz – 550MHz) and S-Band (2.0GHz – 2.5GHz) frequencies. Built for high-performance, full-duplex communication, this transceiver enables long-range data transfer over UHF while supporting high-speed video transmission on S-Band, making it ideal for telemetry, UAVs, and mission-critical applications.

Key Features:


  • Extended Communication Range: SKYCOM-4025 offers an unparalleled communication range of above 80 km when paired with supported ground stations.

  • Full-Duplex Communication: Supports simultaneous transmission and reception (emulated full-duplex), eliminating the need for the host to synchronize between TX and RX.

  • Ultra-Low Latency: Optimized for high-speed telemetry and data streaming applications.

  • Data Rate: Achieves over the air data rates of up to 4 Mbps in S-band, ensuring reliable and efficient data transmission for your communication needs.

  • Rugged and Durable: Designed to withstand harsh environments, SKYCOM-4025 features a rugged enclosure and resilient components, ensuring reliable operation in challenging field conditions.

  • Powerful Transmission: With a configurable TX power of up to 5W, SKYCOM-4025 ensures robust and clear communication over long distances.

Radio specifications


Frequency 400MHz - 550MHz
2.0GHz - 2.5GHz
Mode Full-duplex
Modulation UHF: FSK/GMSK/O-QPSK
S-band: BPSK/QPSK/QAM
Over the air data rate UHF: Max 200kbps
S-band: Max 4Mbps
TX power 0.5W to 5W, configurable
Frequency stability ≤±2ppm
RF port impedance 50 Ω


Interface specifications


Data interface UART TTL / RS232 / RS485 / RS422 / Ethernet


General specifications


Operating voltage 5V to 36V
Power consumption 2.3W (@1W TX power)
6.8W (@3W TX power)
Antenna connector SMA female
Dimension 75mm x 55mm x 15mm
Weight 95 g with enclosure
30g without enclosure
Operation temperature -40°C to 80°C
  • • Wireless telemetry (data and video)
  • • UAV telemetry and control
  • • Industrial IoT
  • • Wireless data transfer