User Manual
ATZB-S1-256-3-0-U ZigBit 2.4GHz Single chip Wireless Module [DATASHEET]
42199AWIRELESS10/2013
8
3.2 RF Characteristics
Table 3-3. RF characteristics.
Parameter
Condition
Range
Unit
Frequency band
2.4000 to 2.4835
GHz
Numbers of channels
16
Channel spacing
5
MHz
Transmitter output power
Adjusted in 16 steps
-16.5 to +3.5
dBm
Receiver sensitivity
PER = 1%
-97
dBm
On-air data rate
250, upto 2000
kbps
TX output/ RX input nominal impedance
Unbalanced
50
Ω
Table 3-4. TX power settings
PHY_TX_PWR 3:0
Register value
Power register setting [dBm]
Output power [dBm] (at RF connector)
0
+3.5
+3.79
1
+3.3
+3.40
2
+2.8
+3.41
3
+2.3
+2.43
4
+1.8
+2.41
5
+1.2
+1.21
6
+0.5
+0.58
7
-0.5
-0.11
8
-1.5
-1.02
9
-2.5
-1.97
10
-3.5
-3.12
11
-4.5
-4.48
12
-6.5
-6.28
13
-8.5
-8.52
14
-11.5
-11.64
15
-16.5
-16.26
3.2.2 Microcontroller Characteristics
Table 3-5. ATmega256RFR2 characteristics.
Parameters
Condition
Range
Unit
On-chip flah memory size
256K
Bytes
On-chip SRAM size
32K
Bytes
On-chip EEPROM size
8K
Bytes
Operation frequency
16
MHz