Digital Walkie Talkie ICs

• Baseband:SCT3288
• Baseband:SCT3258
• RF transceiver:SCT3811
• RF transceiver:SCT3700
• RF PA(2W):SCT3604

Digtal radio & Basestation modules

• Basestation:SCT3252B
• Digtial basestation module :SCT9377
• Digital radio module:SCT9388

Voice & Wireless ICs

• Voice processor:SCT2088
• 2.4GHz Transceiver:SCT2400

Analog Walkie Talkie ICs

• RF PA(2W):SCT3604

SCT3288 Digital Radio Baseband Signal Processor

Overview

The SCT3288 is a low power, high performance baseband processor supporting most major digital PMR protocols like dPMR and DMR. With an internal codec (audio band ADC and DAC).

Features

• Specialized Digital Radio IC:
• Support Multiple Protocols(DMR, dPMR, DCR, NXDN etc)
• DMR stanard
• Support DPMR Tier 1, Tier 2
• Air interface Layer 1, Layer 2, Layer 3
• Full Annex C support
• Transmit in slotted or continuous mode
• Receive in slotted or continuous mode
• Support TDMA direct mode
• DPMR standard
• Support DPMR Tier 1, Tier 2
• Air interface Layer 1, Layer 2, Layer 3
• Full Annex A support
• Support Multiple Vocoders
• Built-in AMBE+2 vocoder from DVSI
• Built-in ASELP 1.7 vocoder from Tsinghua University
• Support for other types of low bit rate vocoder with 3600 bps (optional)
• Supports 1031 Hz Tone and Silence Test Mode
• Automatic vocoder switching at the receiver in dPMR mode
• 4FSK Modem
• 4800 bps data rate for dPMR and 9600 bps for DMR
• Automatic frame sync detection
• Programmable modulation index
• Support two-point modulation, and I/Q modulation
• BER Test Mode complied with ITU O.153
• Analog Mode Support(auto switch,CTCSS/DCS etc)
• Premium Features
• Voice Recording and Playing back
• 16 / 64 / 192 bit voice encryption
• Same frequency repeater
• And more ...
• High performance, low power consumption

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