1.Infineon PMB7795 V1.2 Flash Microcontroller

2.Quartz 10368 khz

3.Module receiver, demodulator & PLL for the transmitter amplifier.

4.Main amplifier stage with Phillips AA3590

5.Bias for pin-diode ,switch RF to antenna No.1

6.Pin-diode antenna switch (max. 27dbm input)

7.Bias for pin-diode ,switch RF to antenna No.2

8.Antenna No.1 with balun

9.Antenna No.2 with balun printed on PCB

10.4307v33 Voltage Regulator with 5V

11.Buzzer

12.Find button or register new handset

13.Phone plug

14.AC supply plug

15.24c16 Flash

16.PHC2300 High speed switch for line interface ???

17.bridge rectifier convert 9V AC to DC

18.Fastron CCS100 inductor

19.LM358 dual low power LF amplifier

20.bridge rectifier, convert phone line supply

21.Siemens programming interface