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

M

Ω

ADC Reference Voltage (VREF)

1.0 to V

V

ADC Input Voltage

0 - VREF

V