Over 40km RFD 900 Plus 900MHz Ultra Long Range Radio Data Modem with Antenna for APM PIX Flight Controller

• Unit Type: Set
• Package Weight: 0.5kg (1.10lb.)
• Package Size: 18cm x 12cm x 10cm (7.09in x 4.72in x 3.94in)

Cheap rfd 900, Buy Quality long range directly from China long range radio Suppliers: Over 40km RFD 900 Plus 900MHz Ultra Long Range Radio Data Modem with Antenna for APM PIX Flight Controller

Over 40km RFD 900 Plus 900MHz Ultra Long Range Radio Modem with Antenna for APM PIX Flight Controller
Package Included:
 
-2* RFD900 Radio Modem
- 4* Antenna
- 1* FTDI Module and cable
- 1* APM connection cable
- 1* PIX connection cable
NOTE: RFDesign Modem Reseller, Official Version.
 
The following cable from FTDI is compatible with the RFD900 modem. Pin 1 of the FTDI cable connects to Pin 1 of the RFD900 header. 
To power the modem from the +5V USB power, a jumper is needed between pins 4 and 6.  
To power the modem from an external +5V supply, connect power to pins 2 and 4 as shown above.  
To force the modem into boot mode, short circuit pads 1 and 2 (labeled BOOT) on the 9 way test pads.
Features:
- Long range >40km depending on antennas and GCS setup
- 2 x RP-SMA RF connectors, diversity switched.
- 1 Watt (+30dBm) transmit power.
- Transmit low pass filter.
- > 20dB Low noise amplifier.
- RX SAW filter.
- Passive front end band pass filter.
- Open source firmware SiK (V1.x) / tools, field upgradeable, easy to configure.
- Multipoint soft