2.4G wireless digital transmitters for truck bus

(DC Characteristics)

 (POWER SUPPLY)

+6~+24V 

 (Current Consumption)

TYPE:330mA, Max.400mA

(Environmental Specification)

(Operating Temperature)

-10~+60 ºC

(Storing Temperature)

-30~+85 ºC

(Operating humidity)

85%RH

(BASEBANGD SPEC.)

(POWER ON)

2SEC Max. VR850SF

TBD  Max. VR850SF/AV

(Latency)

100ms Max. VR850SF

TBD  Max. VR850SF/AV

(Resolution)

VGA/640X480 VR850SF

PAL:720X576/NTSC:720X480 VR850SF/AV

(Frame Rate)

30f/s VR850SF

NTSC:30f/s/PAL: 25f/s  VR850SF/AV

(Video Codec)

MPEG4

(Video in System)

PAL/NTSC Auto detection

(Audio Codec)

MP3 1Channel

 (Voice Sample Rate)

8KHz VR850SF

48KHz VR850SF/AV

 (Voice Frequecny Band) 

340Hz~3.4KHz VR850SF

20Hz~20KHz VR850SF/AV

(ID)/(BIT)

(Pairing)/22(4KK)

(SYSTEM Architecture)

ARM9(32Bit) SOC

(Blue Screen)

(RF SPEC.)

(Operation Frequency)

2400 ~ 2483.5MHz*

(RF Impedance)

50Ω, Typ.

(Voltage Standing Wave Ratio)

2:1

(Output Power)

18dBm with Power control

 (RF Bit Rate)

6Mbps VR850SF

12Mbps VR850SF/AV

(RF Band Width)

5MHz Max. VR850SF

(Modulation)

TBD  Max. VR850SF/AV

QPSK VR850SF

16QAM VR850SF/AV

(Spread Spectrum)

(FHSS)

(Overlapping Hopping Channel)

80

(Hopping Rate)

1200/S

 (CRCCheck Bit)

16

(Line of Sight Range)

>200M VR850SF

>150M VR850SF/AV

(Receiving Sensitivity)

-86dBm@1MHZ QPSK VR850SF

-78dBm@1MHZ 16QAM VR850SF/AV

(RSSI Level)

4

 (Video Characteristics)

(Video Output impedance)

75Ω, Typ.

(Video Output Level)

1Vp-p, Typ.

(Video Polarity)

(NEGATIVE)

(Video Frequency Respone)

±5 dB, Max. 50Hz ~ 6MHz

(Differential Gain)

±5 %, Max

(Differential Phase)

±5 Deg., Max

S/N

50dB, Min

(Audio)

(Audio Output impedance)

10KΩ, Typ.

(Audio Output Level)

1±0.2Vp-p, Typ.

S/N(340Hz ~ 3.4kHz)

63dB, Min

(THD):(340Hz~ 3.4kHz,0.5p-p )

0.1 %, Max

Max. output video power:13mW@RL=16ohm 120mW@RL=120mW