Specifications of Mini Electret Condenser Microphone:
Model: PFO-BT4015P-C1033
Dimension: D4.0xH1.5mm
Frequency Range:20~16kHz
Sensitivity:-38~-49db
Impedance:Less than 2.2kOhm
Directivity:Omnidirectional
S/N Ratio:More than 58dB
Standard Operation Voltage:2.0V
Max Operation Voltage:10V
Sensitivity Reduction:Within -3dB
Current Consumption:Max 0.5mA ...
* GSM Fixed Wireless Phone without SMS.
* GSM Quad-band 850/900/1800/1900 .
* Keypad and LCD backlight in blue.
* Easy to use.
* Multi-language support,English,Chinese and Spanish .
* Locked to specified operator,Cell lock ( up to 9 cells) ,
interlock of phone and SIM card.
...
Bar phone design
PC data synchronization (USB connect)
Dual band GSM900/1800MHz
Cellular enhancement protocol: GSM, GPRS (support EMS/MMS/STK/WAP/SMS/GPRS/Email)
2.0inch QVGA touch screen (176x220 pixels)
1.3 mega pixels camera ...