Models aircraft > Control communications, ELRS modules

RFD900A Ultra Long Range Telemetry Radio Modem for APM Pixhawk Flight Controller Over 40 km

Specifications:

Frequency Range: 902-928 MHz (USA)/915-928 MHz (Australia)

Output power: 1 W (+30 dBm), adjustable in 1 dB steps (+/-1 dB @=20 dBm typical)

Air transmission rate: 4, 8, 16, 19, 24, 32, 48, 64, 96, 128, 192 and 250, 500 kbps (selectable, 64 kbps by default)

UART baud rate: 9600, 19200, 38400, 57600, 115200, 400k, 921k baud (selectable, 57600 by default)

Output power: 1 W (+30 dBm)

Receive sensitivity: > 121 dBm at low baud rate, high baud rate (TBA)

Dimensions: 30 mm (width) x 57 mm (length) x 12.8 mm (thickness) - includes RF shield, heat sink and connector ends

Weight: 14.5 g

Mounting: 3 M2.5 screws, 3 pins for soldering

Power supply: +5 V nominal, (+3.5 V min, +5.5 V max), ~800 mA peak at max.

Range: -40 to +85 °C, tested in the operating range from -73 to 123 °C.

Size: 30mm x 57mm x 13mm

Count			Price
From	1	шт	7350	грн
From	2	шт	7203	грн
From	6	шт	7056	грн
From	16	шт	6983	грн

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New features of FD900x:

New processor, ARM 32 bit core.

Air data transmission speed: 500 kbps.

Hardware accelerated AES encryption. * Fully operational

RC PPM Passthrough with simultaneous telemetry.

Fully ESD protected + filtering - each io port is protected and filtered.

Implemented original SiK point-to-point, multipoint firmware.

Asynchronous multi-point firmware, *beta version*.

Features:

Long range > 40 km depending on antennas and GCS setup * 80 km demonstrated by Rand Research laboratories in a hot air balloon!, 57 km in India, on Dipoles.

2 x RP-SMA radio frequency connectors with switchable separation.

1 W (+30 dBm) transmit power.

Transmission low pass filter.

> 20 dB Low amplifier noise, high IP3.

RX SAW filter.

All I/O is protected and filtered.

Re-implemented SiK and Multipoint SiK firmware, on-site upgrade capability, easy to configure.

Small, lightweight.

Compatible with 3DR/Hope-RF radio modules.

Free to use in Australia, Canada, USA, New Zealand.

Interfaces:

RF: 2 RP-SMA connectors.

Serial: TTL logic level (+3.3 V)

Power supply: +5 V, ~800 mA maximum (at maximum transmit power)

GPIO: 6 general purpose I/O (digital, ADC, PWM).

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