E-40
Bluetooth
®
:
 Protocol: Bluetooth
®
 Specifi cation Ver.2.0 + EDR
 Communication Range:  Approximately 3 m (9'10
3
/
8
") (depends on radio wave conditions 
and environment)
 Output: 4dBm max. (PowerClass2)
WLAN:
 Standards: IEEE 802.11b/g
  Diffusion Modulation:  DS: 802.11b
    DS/OFDM: 802.11g
  Frequency:  802.11b/g: 2.400-2.4835 GHz
  Transmission Rate:  802.11b: Max. 11 Mbps
    802.11g: Max. 54 Mbps
 Communication Range:  50 m indoors, 150 m outdoors (varies according to usage 
environment and transmission rate)
NFC (DT-X8-11E/11C/21E/21C/41E/41C): 
  Frequency Band:  13.56 MHz ± 7 KHz 
 Antenna: Magnetic Loop Antenna 
 Operating Magnetic Field
:  Magnetic Strength Output 1.5A/m or greater (when touching the case)
  Bit Rate:  106 kbps, 212 kbps, 424 kbps, 1.65 kbps 
 Modulation: Amplitude Shift Keying 
  Modulation Degree:  10 % degree, 100 % degree 
 Communication Range:  ISO14443TypeA/B, FeliCa: 0 mm (touching the case)
    ISO15693: 0 mm (touching the case)
  Communication Area:  Area in 32 mm 
u
 20 mm (card/tag dependent)
  Supported Cards:  ISO14443TypeA, ISO14443TypeB, FeliCa (JIS X 6319) , ISO15693
microSD Memory Card Slot:
  Compatible with SDHC Memory Card 
Power Requirements:
  Power Source:   Battery Pack (HA-K23XLBAT)
  Memory Backup:  Rechargeable Lithium Battery (Built-in)
  Consumption Current:  DC 2.2A: DT-X8-10E/10C/11E/11C
    DC 2.4A: DT-X8-20E/20C/21E/21C/40E/40C/41E/41C
Battery Life:
 Battery pack:
          Approximately 25 hours*: DT-X8-10E/10C/11E/11C
          Approximately 20 hours*: DT-X8-20E/20C/21E/21C/
        40E/40C/41E/41C
*  under the conditions that CPU speed is set to the auto power save 
mode, backlight is set to off, and the ratio of cyclic operation of 
“Standby, Key input, Scanning, and WLAN” is set at 20:1:1:1.
    Memory backup:  10 minutes for protection of data in memory
          3 days for backup of built-in clock
Operating Temperature:  –20°C to 50°C (– 4°F to 122°F)
Operating Humidity:    10% to 90% RH (non-condensation)
Dust and Water Splash Proof:
 IP67-compliant
Dimensions:
Refer to “Dimensional Drawings” on page 42.