Specifications
3.1.3
RF Characteristics
Table 3-3. RF Characteristics
Parameters
Condition
Range
Unit
779 to 787
20 kbit/s
40 kbit/s
Frequency Band
Number of Channels
Channel Spacing
Transmitter Output Power
Receiver Sensitivity
(2)
(2)
AWGN channel, PER = 1%
868 to 868.6
902 to 928
15
2
-11 to +11
-110
-108
MHz
MHz
dBm
100 kbit/s
250 kbit/s
(2)
(2)
200 kbit/s
400 kbit/s
PSDU length of 20 octets
PSDU length of 127 octets
-101
-100
-97
-90
dBm
500 kbit/s
1000 kbit/s
BPSK modulation
-97
-92
20 (at 868 MHz),
40 (at 915 MHz)
On-Air Data Rate
O-QPSK modulation
100 (at 868 MHz)
250 (at 915 MHz
and 784 MHz)
kbps
TX Output/ RX Input Nominal Impedance
For balanced output
100
Ω
Range, outdoors
(1)
For balanced output
6
km
Notes:
1. Preliminary data
2. IEEE 802.15.4-2006 compliant
3.1.4
ATmega1281V Microcontroller Characteristics
Table 3-4. ATmega1281V Characteristics
Parameters
On-chip Flash Memory size
On-chip RAM size
On-chip EEPROM size
Operation Frequency
ZigBit? 700/800/900 MHz Wireless Modules
Condition
Range
128
8
4
4
Unit
Kbytes
Kbytes
Kbytes
MHz
3-4
8227C–MCU Wireless–06/09
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