1. Technical parameters
Mechanical:
Dimensions (without connectors) 100x69x28 mm
Weight 150 g
Housing material Aluminium
Connectors / interfaces:
RF connector SMA female
Power connector Round 5.5/2.1mm (with plus at center)
Telemetry / thermometer connector Terminal with screws (shared)
Serial port connector Mini DIN 6-pin female (1 serial port)
Bluetooth module HC-05 module, Bluetooth v2.0, Class 2 with
integrated antenna
Environment:
Operation temperature -20°C / +50°C
Humidity 95% max.
Electrical:
Supply voltage 12-14 VDC typ. (14.4 VDC max.)
Power consumption (at 13VDC/5W) 80 mA (RX),
1150 mA (TX)
Power consumption (at 13VDC/7W) 80 mA (RX),
1380 mA (TX)
RF transmitter / receiver
Antenna impedance 50 Ohm
Frequency range 144 - 146 MHz (wider range not tested)
Output power 37 dbm / 5 watt
Output filter 5-pole LPF
Maximum transmit time 20 seconds within 60 seconds window (33%
duty cycle)
Squelch (level 1) sensitivity (*) -112 dBm (squelch opens), -114 dBm (squelch
closes)
Proper packet decoding signal level (*) (available soon, needs to be exactly tested)
* tests were made using HP8656B signal generator with packets injected via external
modulation input at 2.5 kHz FM modulation.
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