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Retevis LPD 433MHz License-free Two Way Radio

$69.99~$69.99
SKU: LF009

1, License-free Band LPD433MHZ

2,  Delivery time: About 7 business days.

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Description:

 

LPD hand-held radios are authorized for licence-free voice communications use in most of Europe using analog frequency modulation (FM) as part of short range device regulations, with 25kHz channel spacing, for a total of 69 channels. In some countries, LPD devices may only be used with an integral and non-removable antenna with a maximum legal power output of 10 mW.

Voice communication in the LPD band was introduced to reduce the burden on the eight (now sixteen) PMR446 channels over shorter ranges (less than 1 km).

 

Feature:

  • Dual Band PMR/LPD transceiver, Channels: 16 PMR446 (16 pre-programmed)+ 69 LPD
  • Wide LCD display with backlight
  • Low battery indicator
  • Auto power save: automatic current economy circuit
  • 38 CTCSS and 83 DCS tones in TX and RX
  • CALL button with 5 tones selectable
  • Battery life up to 12 hours
  • Fast charger (4h)
  • Monitor function
  • BAby Sitter function
  • Buttons for the channel selection
  • Out of range function (automatic or manual)
  • SCAN function
  • Keypad lock
  • Hi/low power selection (PMR band)
  • Roger Beep on/off
  • VOX for hands-free communications with 9 selectable levels
  • USB port to recharge the radio

 

LPD433 (low power device 433 MHz) is a UHF band in which license free communication devices are allowed to operate in some regions. The frequencies correspond with the ITU region 1 ISM band of 433.050 MHz to 434.790 MHz

 

Channel

Frequency MHz

Channel

Frequency MHz

Channel

Frequency MHz

1

433.0750

24

433.6500

47

434.2250

2

433.1000

25

433.6750

48

434.2500

3

433.1250

26

433.7000

49

434.2750

4

433.1500

27

433.7250

50

434.3000

5

433.1750

28

433.7500

51

434.3250

6

433.2000

29

433.7750

52

434.3500

7

433.2250

30

433.8000

53

434.3750

8

433.2500

31

433.8250

54

434.4000

9

433.2750

32

433.8500

55

434.4250

10

433.3000

33

433.8750

56

434.4500

11

433.3250

34

433.9000

57

434.4750

12

433.3500

35

433.9250

58

434.5000

13

433.3750

36

433.9500

59

434.5250

14

433.4000

37

433.9750

60

434.5500

15

433.4250

38

434.0000

61

434.5750

16

433.4500

39

434.0250

62

434.6000

17

433.4750

40

434.0500

63

434.6250

18

433.5000

41

434.0750

64

434.6500

19

433.5250

42

434.1000

65

434.6750

20

433.5500

43

434.1250

66

434.7000

21

433.5750

44

434.1500

67

434.7250

22

433.6000

45

434.1750

68

434.7500

23

433.6250

46

434.2000

69

434.7750

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Preview :

Technical Parameters:

TECHNICAL PARAMETERS

Product Model

License-free LPD433MHz

Frequency Range

446.00625-446.09375MHz (PMR)

433.075 - 434.775MHz (LPD)

Channel number

16 PMR+69 LPD

CTCSS

121

Channel spacing

12.5KHz/25.0KHz

The antenna impedance

50Ω

Working voltage

3.6V(Rechargeable) batteries +/- 10% VDC

Battery Type

3x AA type 4.5V(Alkaline)

Charging feature

Micro USB

Audio Jack

2.5mm

Frequency stability

±2.5ppm

Operating temperature range

-20℃~+55℃

Overall dimensions

120x58x33mm (Include Antenna)

Weight

105g

Duty cycle.

TX 5%, RX 5%, stand-by 90%

TRANSMITTER

RF power

10/500mW(Selectable)

Modulation distortion

<5%(300-3000Hz)

CTCSS deviation

0.35KHz±50Hz

Modulation method

FM

Largest deviation

≤2.5KHz

current

≤1.3A

Stray radiation

≤-13dBm

Residual modulation

≤-35dB

RECEIVER

The sensitivity

-125dBm/≤121.0dBm

Noise sensitivity

-127dBm/≤123.0dBm

Modulation reception bandwidth

±6KHz

intermodulation

≥60dB

Audio distortion

≤5% (60%)

Audio power

≥300mW @ 10% THD

Spurious response suppression

≥60dB

selective

≥65B

Maximum transmission time

in an hour

6 minutes--equivalent to a duty cycle of 10%

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