RF Parameter

Value

Remark

Working frequency

425~450.5 MHz

Default:  433MHz

Transmitting power

24~33 dBm

Default:  33dBm（About 2W）

Receiving sensitivity

-126 dBm

Air data rate: 1.2kbps

Air data rate

1.2k~70kbps

Default: 1.2kbps

Test distance

8000m

In open and clear air, with maximum power, 5dBi antenna gain, height of 2m,

air data rate: 1.2kbps

Hardware Parameter

Value

Remark

Size

37 * 60 mm

Without SMA

Antenna type

SMA-K

Communication interface

UART

Baud rate: 1200~115200, default: 9600

Package

DIP

Buffer

512  bytes buffer

Automatically sub-packaging with 43 bytes per package

Electronic parameter

Min.

Typ.

Max.

Unit

Condition

Power supply

3.3

5.0

5.2

V

Communication level

2.5

3.3

3.6

V

Transmitting current

1240

1350

1490

mA

33dBm（2W）

Receiving current

16

17

18

mA

Sleep current

4

5

6

μA

Operating temperature

-40

20

+85

℃

Operating humidity

10

60

90

%

Storage temperature

-40

20

+125

℃