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2.2. Specifications
2.2.1.
General
2.2.2.
Specifications of the B900ss-20
The B900ss-20 is a radio card component that receives and transmits data according to
a frequency table selected by the user.
Dimensions
Weight:
Dimensions:
Connectors:
Electronics
•
Radio part
Frequency:
Number of channels:
Channel selection:
Radio rate:
Modulation/Demodulation:
Bit encoding:
RF sensitivity:
RF power:
Error rate:
Saturation:
Operating Temp.:
Storage Temp.:
Relative humidity:
<2 ozs. (< 50 grams)
1.57" x 1.69" x .29" (without antenna).
1 14FMS-1.0SP-TF 14 pin connector from JST.
902 to 928 MHz (FCC part 15-247).
50, channel 0 to 49.
Frequency hopping, according to a random
table of 50 channels. 8 tables are stored in
EEPROM memory.
40KBits/s.
FSK (Frequency Shift Keying).
Quad Frequential encoding.
-90 dBm (± 2 dB) at 50 Ohms.
+13 dBm (20 mW) (± 2 dB) over 50 Ohms.
-4
10
to -88 dBm.
Two modules communicate at 0 dBm.
Standard Operation: +32°F to +122°F.
(0º to +50º Centigrade)
-40°F to +176°F (-40ºC to +80º C)
from 20% to 90% RH (without condensation).
7
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