COFDM wireless receiver
COFDM wireless receiver nrog Long deb kis tau tus mob deb
Cov Lus Qhia
system zoo
1. Ntev deb kis tau tus mob deb
2. Real-lub sij hawm kis tau tus mob system
3. Qeeb lub sij hawm yog heev luv luv tsawg tshaj li 500ms
4. Zoo meej cov duab zoo, qaim xim thiab cov duab smoothing
nta
1. Kis tau tus mob hwj chim 1W
2. Tsis tshua muaj neeg sib thiab rugged tsev nyob
3. kev co, tej yam kuj
4. Daim ntawv thov ntawm COFDM tes taws los piav, MPEG-2 / H.264 compression
5. loj me me, 102 tsuas × 60 × 21.5 hli
6. Zoo meej mobile daim ntawv thov
7. Video kis tau tus mob uas zoo, tsis muaj mosaic, tsis muaj luag tshwm sim
8. Kev them nyiaj yug uas tsis yog-line-of-pom kis tau tus mob, muaj zog diffraction muaj peev xwm ua;
Kev Tsis
Tes taws los piav hom : COFDM QPSK (4QAM), 16QAM, 64QAM
Kev khiav hauj lwm zaus : 300-900 MHz; (adjustable ib 1M)
Cov kav hlau txais xov nce : 2.15dBi
Xa hwj chim : 30dBm (adjustable)
RF bandwidth: 1.25 / 2.5 / 6/7/8 MHz (yeem)
FEC (pem hauv ntej kev ua yuam kev kho) :1/2 2/3 3/4 7/8
Kev pab tiv thaiv luv : 1/4, 1/8, 1/16, 1/32
Video Compression MPEG-2, H.264 : ( video input of friends, NTSC)
encryption txoj kev :128 – ntsis AES (Yuav muab neeg siv lo lus zais)
Kev khiav hauj lwm voltage :DC12V
Kev khiav hauj lwm kub : -10 ~ 70 ℃
Qhov ntev : 102 * 60 * 21.5 (hli) (kav hlau txais xov tsis muaj)
Nyhav :170G (kav hlau txais xov tsis muaj)
Kis deb : 100 meters siab, 5-7 m deb
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