Model	CMP-20 / CMP-30
Printing method	Line thermal dot printing
Printing width	CMP-20: 48mm / 1.88 inches CMP-30: 72 mm / 2.83 inches
Dot pitch	8 × 8 dots/mm (203dpi × 203dpi)
Printing speed	CMP-20: Up to 80mm/sec CMP-30: Up to 100mm/sec
Number of print columns	Font Maximum number of characters (columns) CMP-20 CMP-30 Font A 32 48 Font B 42 64
Character type	ASCII, Alphanumeric characters, International characters, Windows code page
Paper	CMP-20: Thermal paper roll width: 58mm, diameter up to 48mm CMP-30: 25-80mm, 1.00-3.15 inches, diameter up to 56mm
Interface	Serial (RS-232C): Standard up to 15,000 bps, 7 or 8 bit, 8-pin mini-DIN Connector USB: Standard USB 2.0 mini connector type B Bluetooth: Factory Option, Class 2, Version 2.0, 2.4Ghz FH, 10 meters, up to 115Kbps, SPP profile Wireless LAN: Factory Option, 802.11b and 802.11g standards, 100 meters, 64/128 bit WEP, WPA, up to 54Mbps
Case design	High-impact ABS plastic
Sensors	Paper end, Cover-open, Low battery, Head temperature
Mag stripe card reader	Factory Option: ISO 7811/2, JIS standards, dual track (1+2,2+3), 10-15 cm/s swipe speed
Power source	Battery: Li-ion battery pack AC adapter only for charging (Output DC9V, 1.0A)
Battery	Battery type: Li-ion battery pack Battery pack voltage: 7.4 V Battery pack capacity: CMP-20 1900 mAh, CMP-30 2200mAh
Charger	Input: 100V-240V AC, 50/60Hz, Output: .4 volts, 1200mA (Charger included)
Weight (approx.)	CMP-20: 442 grams (approx. 1.0 lbs) CMP-30: 630 grams (approx. 1.4 lbs)
Outer dimensions (W × D × H)	CMP-20: 96 X 136 X 58 mm CMP-30: 120 x 152 x 70 mm
Operating temperature and humidity	5 to 40 °C, 35 to 80 % RH (no condensation)
Storage temperature and humidity	-20 to 60 °C, 10 to 90 % RH (no condensation)
Emulations	CMP-20: ESC/POS™ CMP-30: ESC/POS™ and CPCL™ compatibility
Drivers	Windows compatible drivers for desktop and mobile operating systems