... PSTN MODEM (Optional)Synchronous: V.22bis, V.29, supports 1200/2400/9600bpsAsynchronous: V.34, up to 33.6sKbpsSupports PPP dial, ... 38mm Adjustable print gray, supports dual-layer paper, black label detection and smart paper positioningLanguageSupports Chinese (GB2312/GB18030 ... , CE, FCC, RoHS, PCI PED, EMV4.2 Level 1 & 2, PBOC2.0 ApplicationSupermarket, pays service providers, Famous Brand ...