1  STM 24C32; EEPROM I2C 4kx8
2  NEC D431000; SRAM 128kx8
3  Microphone
4  Bottom connector
5  STM m29w800; FLASH 512kx16
6  Analog Devices AD6421; voiceband/baseband codec, A/D and D/A convertors, microphone and louspeaker amplifier.
7  Hitachi HD155122(?); 1st and 2nd MIX, AGC, detection, and orthogonal modulation machine for 900 MHz + 1800 MHz dual operation.
8  Philips Semiconductors MA1022, PLL IC 520MHZ, 1GHZ, 2.5GHZ
9  Ceramic filter
10 Ceramic filter
11 SAW filter
12 Connector to speaker
13 Murata SAW fiter
14 NIY
16 Connector (via zebra strips) to display
