OK. Time to do a review of the Pansat 4500 USB PVR FTA Receiver.
Part one. Info, Specs from the manufacturer:

This paragraph below was written by me for my website HyperMegaSat.com, but Features, Specs, etc are all from Pansat's website Pansatusa.com
The Pansat 4500 is a PVR Ready FTA receiver equipped with 2 USB 2.0 Host Interface's (Front and Rear). The Pansat 4500 offers quick and accurate Blind Scanning and is equipped with Component Output. Like all other Pansat receivers before it, the Pansat 4500 receiver is a powerful unit for any FTA enthusiast. Replaces the Legendary 2700 and 3500 models. A great powerhouse receiver with PVR capabilities from a proven manufacturer, at a great price. 2 Year Manufacturer's Warranty.
Features:
*Fully Compliant of MPEG-2 Digital & DVB broadcasting
*USB PVR ready (FAT16/FAT32, Format function, Recording, Playback, EPG Time record, Time Shifting
*USB 2.0 Host 2 Interface(Front and Rear) - JPEG Photo Album, MP3, Firmware Update
*Integrated 2 USB ports(Front & Back) for PVR and Software Upgrade
*950 ~ 2150 MHz input Frequency(IF Loop throughout)
*Variable Input Symbol Rate (1 ~ 45Msps)
*Very Fast Smart Search
*Satellite Scan- Simultaneous Scan
*Manual PID/Satellite & TP/Network Scan
*5000 Channels TV & Radio program
*Timer setting supports automatic Turn-ON and OFF daily
*Flexible reception of SCPC & MCPC from C/KU-Band Satellites
*Multi language OSD
*Powerful Channel Editing Function(Favorite,Move,Find,Sort,Delete,Skip,Lock,Edit,Create)
*Digital S/PDIF (Digital Audio or Dolby AC3 stream out)
*Automatic PAL/NTSC Conversion
*5 Favorite List & 100 Programs per each
*PIG (Picture In Graphic), Multi-Picture, Zoom function
*256 Colors (Graphic User Interface) Number
*Software Upgrade via USB and RS-232C (Receiver to Receiver, PC to Receiver)
*RTC (Real Time Clock)
*Componet Video out (Y Pb Pr)
*Diseqc 1.2 & USALS Compatible
*UHF Ready (U-50 kit Optional)
*Game
Includes:
Pansat 4500 Receiver
Remote Control w/batteries
Operators Manual
4x1 Switch
Update Cable
Technical Details:
TUNER
1RF Input Connector : F-type,IEC169-24
1RF output(loop throught out) : F-type,IEC169-24
Frequency Range : 950MHz to 2150MHz
Input Level : 65 dBm~-25 dBm
LNB Power : 14V/19V (500mA Max)
Symbol Rate : 1 to 45Msps.(SCPC,MCPC)
DiSEqc : Diseqc 1.2 & USALS Compatible
Band Switch : 22KHz tone
Demodulation : QPSK
MPEG TRANSPORT STREAM A/V DECODING
Demultiplex : MPEG-2 ISO/IEC 13818-1(MPEG-2 system)
Input stream : Max. 90Mbit/s
Aspect Ratio : 4:3(default), 16:9 letterbox
Video Decoding : ISO/IEC 13818-2(MPEG2 vidoe) MP@ML,720 x480(NTSC),720x576(PAL)
Audio Decoding : ISO/IEC13818-3(MPEG2 audio/MUSICAM)
Video Ouput : Component(YPbPr),CVBS
Audio Mode : Single Channel /Dual Channel, Stereo, Joint Stereo
Audio Sampling Frequency : 16/22,05/24/32/41,1/48 KHz
MICROPROCESSOR and MEMORIES
CPU Clock : 216MHz
Flash Memory : 4 Mbyte
SDRAM : 32 Mbyte(133MHz)
A/V OUTPUT
Component Jack : Y, Pb ,Pr
Video RCA : 1 output
Audio RCA : 2 output(Reft,Right)
Digital Audio : 1 coxial output S/PDIF
RF MODULATOR
Connector : F type,IEC169-24
Frequency : CH3(61.25MHz) ,CH4(67.25MHz)
TV Standard : NTSC
Output Channel : CH3-4
FRONT PANEL
Display : 4Digits LED
8 keys : Power,Channel Down/Up, Volume up/down,Menu,Exit,OK
USB : USB2.0 1 Host
DATA PORT
Connector : 9 pin D-sub Type
Protocol : RS232 Asynchronous
Data Rate : Max. 19.2Kbps
REAR PANEL
Tuner : 1 input with loop throught out
UHF : Stereo Jack
4RCA : Video, Audio L, Audio R, SPDIF
Component Jack : RCA Jack(Y,Pb,Pr)
USB : 1 Host
RF Modulator : IEC 169-24(Ant IN, TV out)
Data Port : RS 232
Power Switch : Rocker Type
Power cord : Fixed type on the body
REMOTE CONTROL
Type : IR RCU
Battery : 2x1.5V AAA Type
POWER SUPPLY
Input Voltage : AC 90-250V, 50/60Hz
Power Consumption : Max. 15 Watts
Type : SMPS(Switching mode power supply)
PHYSICAL SPECIFICATION
Dimension (WxDxH) : 260x150x45mm
Weight : 1.5kg
Accessories : RCU,Battery,User manual
To be continued .......