Specifications
ZigBit™ 2.4 GHz Amplified Wireless Modules 3-8
8228B–MCU Wireless–06/09
Current consumption actually depends on multiple factors, including but not limited to, the board design
and materials, BitCloud settings, network activity, EEPROM read/write operations. It also depends on
MCU load and/or peripherals used by an application.
3.1.3 RF Characteristics
Note: 1. Preliminary data
3.1.4 ATmega1281V Microcontroller Characteristics
3.1.5 Module Interfaces characteristics
Table 3-3. RF Characteristics
Parameters 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 +10 to +20 dBm
Receiver Sensitivity
(1)
PER = 1% -104 dBm
On-Air Data Rate 250 kbps
TX Output/ RX Input Nominal Impedance Unbalanced output 50 Ω
Range, outdoors
With external 2.2 dBi
antenna
Up to 4000 m
Table 3-4. ATmega1281V Characteristics
Parameters Condition Range Unit
On-chip Flash Memory size 128K bytes
On-chip RAM size 8K bytes
On-chip EEPROM size 4K bytes
Operation Frequency 4 MHz
Table 3-5. Module Interfaces characteristics
Parameters Condition Range Unit
UART Maximum Baud Rate 38.4 kbps
ADC Resolution/ Conversion Time
In single conversion
mode
10/200 Bits/µs
ADC Input Resistance >1 MΩ
ADC Reference Voltage (VREF) 1.0 to V
CC
-3 V
ADC Input Voltage 0 - VREF V
