For the F4, it is original type and can update, it can use remote area without broadband, it can work with 3G Netcard or antenna.
It can support GPRS fuction, and Come with Sharp Tuner, Signal quality better
If you need, pls click
Skybox F4
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China Electronics Wholesale
skybox f4 HD Specifications：
Dual CPU, 396 MHz MIPS Processor
Fully compliant MPEG-4 H.264/AVC Main Profile Level 3 & High Profile Level 4.1;
Fully compliant MPEG-2
MP@HL &
MP@ML;
Fully compliant MPEG-1 Layer I & II & III;
SCPC & MCPC receivable from C/Ku band satellites;
multiple LNB-Switching control (supports DiSEqC1.0/1.1/unicable/1.2/1.3(USALS) supported)
NIT search supported;
Support MPEG-5;
Support HDMI 1.3;
Support PVR(store in USB disk);
Multimedia files playback(by USB);
Support Electronic Program Guide(EPG) for 7 days;
Teletext and subtitle out through OSD;
Support multi-lingual DVB subtitle and teletext;
Automatic and manual channel scan options;
automatic service scan
channel-change time < 1 second
OSD in many languages and skin-support
Multilingual support on screen menu (OSD): English, French, Deutsch, Italian, Spanish, Swedish, Danish, Greece, Portuguese, Finland, Holland, Turkish, Czech, selectable
LED Display
Multiple display mode: 1080p/1080i/720p/570p/576i/480p;
MPEG-2 / H.264 Hardware decoding
Videotext Decoder
Analog audio output: stereo(L+R);
Screen format:auto, 4:3, and 16:9;
Upgrade software through USB2.0 port;
Powerful program management function, parent lock;
CA 1x slot
10/100Mbit Ethernet Interface
directly bouquet-lists
