3DR Radio .
Shireen. , Shireen 900MHz 900MHz 3DR .
12dB , 18dB , . 5V 2S 3S LiPo.
7,6 , eBay 3.5dBi , Shireen .
:
S0: FORMAT=22S1: SERIAL_SPEED=9
S2: AIR_SPEED=24
S3: NETID=25
S4: TXPOWER=14
S5: ECC=1
S6: MAVLINK=1
S7: OPPRESEND=1
S8: MIN_FREQ=915000
S9: MAX_FREQ=928000
S10: NUM_CHANNELS=50
7.6 . , . , 12 , , 4 (. 30).
: .
MAVLink .
RADIO.rssi RADIO.remrssi. RSSI. , remrssi .
.
RSSI 1.9x , . . . Si1000 RSSI , : ived signal strength, or use this approximate formula
signal_dBm = (RSSI / 1.9) - 127, RSSI , , , , . RSSI , .