HARDWARE / PRODUCTUpdated 24 Jul 2026

RFX-400

Tiger Innovations, Inc.
RFX-400

The RFX-400 is a cost-effective, extremely small form-factor UHF transceiver designed for spacecraft communication, supporting multiple modulation formats, encryption algorithms, and data protocols.

Key figurescomparable across the catalogue

Mass
0.053 kg
Power
0.001 W
Data rate
0.5 Mbps

Normalised to common units so this product can be compared with others in its category. The supplier's own wording is below.

As published by the supplier

Frequency range
387 - 464 MHz (90 usec settling time)
Sensitivity
-122 dBm
Output power
<1 mW to +8.1 W, digitally adjustable
Data rate
1.2 - 500 kbps
Modulation
2-FSK, GFSK, MSK, OOK, flexible ASK shaping
Telemetry
Digital RSSI, PA Temperature
Antenna connector
SMA
Supply voltage
7.5 - 18 V
Power (Standby)
< 800 microwatts
Power (Receive)
200 mW
Power (Transmit)
225 mA @ 1 W
Format
1.8" L x 2.8" W x 0.75" H
Mass
Approx. 53 grams
I/o format
RS-232, RS-422, LVDS, TTL
I/o protocols
Asynchronous, Synchronous
Data formats
Packetized or continuous stream
Encryption (FPGA)
DES, AES
Error detection
CRC on packets, available FEC
Additional module - ais rx (2 ch)
ITU-R M.1371-1 compliant, 161.975 MHz and 162.025 MHz

About

Tiger Innovations has extensive experience in designing and fabricating RF devices and support equipment for both space-based and terrestrial applications, specializing in highly capable, low mass, low power RF transceivers and software defined radios. The RFX-400 is a prime example, offering a cost-effective and extremely small form-factor UHF transceiver specifically for spacecraft communication. It is engineered to support multiple modulation formats, various encryption algorithms, and diverse data protocols, making it a versatile solution for space communication needs. Key features include a very low power standby mode, digitally tunable frequency for flexible operation, and variable power output capabilities reaching up to 8.1W. Its applications span ground terminals, CubeSat RF modules, and ground gateway stations, highlighting its utility in both space and ground segments of communication systems.

Documentation

Need the full ICD, test reports or a specific revision? Ask the supplier directly.

Source: www.tigerinnovations.com ↗

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