1. Walkie Talkie Product Line
SRT3210 Multimode (FRS/GMRS/FSK) Baseband Signal Processor for Walkie-Talkie
SRT3210 is a highly integrated SOC(System On Chip) designed for Walkie-Talkie by Sicomm. It incorporates all baseband signal processing functions and system control functions that are required for Walkie-Talkie systems. Sicomm innovatively implement digital signal processing techniques into the traditional analog radio system. With the customized DSP, we improve the audio quality, and customized features and reduce power consumptions, The baseband signal processing functions include CTCSS/DCS generation. CTCSS/DCS detection, DTMF generation, squelch tail elimination, scrambling descrambling for security, audio and sub-audio band separation, etc. All of the control functions are implemented by an 8-bit MCU through the control registers, Some peripherals of MCU are also integrated in the chip, such as 32k*8 bits OTP or mask ROM, 512*8 bits RAM, 59 GPIO's, 4-channel multiplexed ADC,2 DAC's,  4*31 LCD drivers, UART interface, watch dog timer, 2 user programmable timers, real time clock (RTC), etc. With all these functions, this chip is excellent especially for Walkie-Talkie applications.

SRT3241 Baseband Signal Processor for Walkie-Talkie
SRT3241 is a highly integrated SOC(System On Chip) designed for Walkie-Talkie by Sicomm. It incorporates all baseband signal processing functions and system control functions that are required for Walkie-Talkie. Sicomm innovatively implement digital signal processing techniques into the traditional analog system. With the customized DSP, we improve the voice quality, add customized features and reduce power consumptions, The baseband signal processing functions include CTCSS tone generator and CTCSS detector, DCS generator and  DCS detector, DTMF generator, squelch tail elimination, simple frequency inversion scramble/descramble for security, autdio and sub-audio band separation, etc. All of the control functions are implemented by and 8-bit MCU through the control registers. As the extension, some peripherals of MCU are also integrated in this chip, such as 16K*8 bits OTP or mask ROM, 512*8 bits RAM, 17 GPIOs, 3-channel multiplexed ADC, 2 DACs, UART interface, watch dog timer, 2 user programmable timers, etc. With all these functions, this chip is excellent especially.

SRT3300 Low Power FM Demodulator for Walkie-Talkie
SRT3300 is a high sensitivity, low power and low voltage demodulator chip for high performance FM system applications. The device provides frequency conversion for 2nd IF (Intermediate Frequency) FM demodulation using quadrature discriminator, and other functions such as limiting amplification, active filtering, squelch, scan control and mute switch. This device is assembled in a small plastic QFN package.

SRT3500/3501 Single Chip RF Transceiver for Walkie-Talkie
 SRT3500 is a single-chip RF transceiver designed for low power wireless applications. The chip consists of a super-heterodyne receiver, a direct analog modulation transmitter and a PLL frequency synthesizer with integrated VCO and crystal oscillator. SRT3500 is especially suited for Walkie-Talkie applications with channelspacing of 6.25kHz, 12.5kHz or 25kHz.
SRT3500 can be easily programmed for multi-channel operation in frequency range from 350 to 470MHz via a serial 3-wire interface. In a typical system, SRT3500 will be used together with a microcontroller and a few external passive components.

SRT3601/3602/3604 High Efficiency Power Amplifier
SRT3601/3602/3604 are high-gain and high-efficiency power amplifier chips offering high performance in CW or FM signal amplifications, especially for Walkie-Talkie applications in frequency range from 130 to 550MHz. The chips are fabricated on silicon MOS process, Its output match is implemented on printed circuit board and can be easily adjusted to obtain optimum output power and efficiency.
　

SRT9332 V2 Walkie-Talkie Module
SRT9332 is a fully walkie-talkie function module, designed for narrow band low power wireless applications in the frequency range from 350 to 470 MHz. This module consists of an antenna low pass filter, Tx/Rx switch, RF transceiver SRT3500. power amplifier SRT3602, FM demodulator SRT3300, and baseband processor SRT3241.
SRT9332 is especially suited for handheld system such as walkie-talkies  and mobile phones, The configuration interface can be accessed via an UART interface.

2. FM Radio Product Line
SRT8300 Low Power High Sensitivity Single Chip FM Radio
SRT8300 is a system-On-chip (SOC) product designed for low-power FM receiver applications. This FM stereo/mono radio is built on direct digital low IF receiver architecture including RF front-end, frequency synthesizer, mixed-signal processor and digital signal processor, It can be tuned electronically to the European, US, Chinese and Japanese FM bands from 76 to 108MHz, the IC is implemented based on CMOS process and housed in a 5x5 28-pin QFN package.

SRT9832 FM Radio Module
SRT9832 is a FM Radio module based on Sicomm SRT8300 for general stereo/mono FM Radio applications, the module is easily controlled through 2-wire or 3-wire series interfaces, and it can be tuned electronically to meet European, US and Japanese FM bands from 76 to 108 MHz, Benefiting from the excellent chip, SRT9832 moudule offers to our customers the best system solution in high performance and low cost.