Which one VAS5054A to buy?

There are 5 kinds of VAS5054A, therefore some first-time users may be confused…they all seem the same, not sure if there is a difference, which one is best…… In order help them to sort them out, OBD2 engineer make a comparison table as follows.

	SP33	SP33-B	SP33-BO	SP33-C(Best)	SP33-D(Newest)
Supported Protocol	K line (ISO9141-2) High-speed CAN (ISO 11898-2) Low-speed CAN (ISO 11898-3) J1850 (SAE J1850)UDS		K line (ISO9141-2) High-speed CAN (ISO 11898-2) Low-speed CAN (ISO 11898-3) J1850 (SAE J1850) UDS PWM Protocol (they are equipped with OKI chip)

Workable Car Models	Support most Volkswagen group car models including: VW, AUDI, SKODA, SEAT Bentley and Lamborghini
Workable Car Years	Generally, cover from 1996 – 2013 year
Function	All VAS 5054A share the same function. As a universal diagnostic interface, VAS 5054A can read and erase ECU fault codes, including Check Engine, ABS, SRS, transmission system, Radio, heating, etc. Turn the check engine light off.
Bluetooth	All VAS 5054A support Bluetooth, the Bluetooth interface connects the vehicle with a notebook, desktop PC or test system. The range of the wireless Bluetooth connection is 2 to 5 meters, depending on the environment and the type of Bluetooth adapter used on the PC side.
Language	English, Japanese, Portuguese, Romanian, Korean, Dutch, Polish, Turkish, Spanish, French, Italian, Croatian, Danish, German, Swedish, Finnish, Slovenian, Czech, Russian, Greek, Chinese
Upgrade	When the newest software is available, contact us to send you download link or CD.
OS Requirement	Windows XP(xp2/xp3)
Conclusion: l Another important difference is their price, range from $54 to $99. l Most users prefer to choose the best quality one Item No. SP33-C l Item No. SP33-D is the newest one, but an increasing number of users buy it l Item No.SP33-B is the cheapest one. In a word, which one VAS5054A to buy, it depends on your budget and requirement.