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