TC4 Low Power

TC4-LP HF & V/UHF Modem, ALE and Secure Digital Voice Module

The TC4-LP is a ‘TC4 foot-print compatible’ module optimised for low power consumption. The TC4-LP offers the same functions found in the TC4: including HF/V/UHF data modems, 2G ALE and 3G ALE / STANAG 4538. In addition, the TC4-LP hardware can host the RapidM EF-256 Embedded functions, which include Secure Digital Voice (SDV) and AES 256 encryption.

The module is suitable for integration into LF, HF & V/UHF radios and other communication equipment. The TC4-LP is recommended for upgrading designs presently using the TC4 module for lower power consumption or digital voice.

For V/UHF operation the maximum data rate is 128000 bps in a 24 kHz audio channel.

The operation of the TC4-LP is determined by the selection of one of the following software packs:

  • M1: LF & HF Modem (incl. ISB, up to 19200 bps & 110C 6 kHz up to 32000 bps)
  • M2: HF Modem (SSB, up to 9600 bps)
  • M3: HF Modem (SSB, broadcast, up to 2400 bps)
  • M4: HF Modem (SSB, S4539, up to 9600 bps)
  • L1: V/UHF Modem (24 kHz, up to 128000 bps)
  • L2: V/UHF Modem (12 kHz, up to 64000 bps)
  • L3: V/UHF Modem (6 kHz, up to 32000 bps)
  • L4: V/UHF Modem (3 kHz, up to 16000 bps)

The following software options are also available:

  • 2G ALE Controller Software Option
  • STANAG 4538 (3G ALE) Modem Option
  • Digital Voice (2400 bps)
  • 56-bit Encryption (Digital Voice and Data)

Features and Benefits

TC4-LP Module Platform:

  • Low power consumption (600 mW typical)
  • Very compact size: 33 x 55 x 6 mm
  • Easy system integration
  • Single 100-way connector
  • LF & HF & V/UHF radio compatibility
  • Analogue or digital radio audio interface
  • Radio control for ALE channel scanning
  • Standardised remote control protocol (RIPC/RAP1)
  • SSB Data: 9600 bps (3kHz)
  • ISB Data: 19200 bps (2 x 3kHz)
  • MIL-STD 110C Modes: 32000 bps (6kHz)
  • Broadcast and Ship-Shore (BRASS) compatible
  • TC4 Evaluation Kit

 

LF & HF Software Packs (M1-M4)
Standard
Software Pack
M1 M2 M3 M4
MIL-STD-188-110C Appendix D (3 & 6 kHz)
STANAG 4539 (QAM)
MIL-STD-188-110B (QAM)
MIL-STD-188-110B Appendix F (QAM)
MIL-STD-188-110A (8-PSK)
STANAG 4415 (NATO robust)
STANAG 4285 (8-PSK)
STANAG 4529 (NB 8-PSK)
STANAG 4481 PSK (P/FSK)
STANAG 5065 (MSK)(LF)
STANAG 4481 (FSK)
FSK Variable

V/UHF Modem Software Packs (L1 – L4)

  • Wideband up to 128000 bps (coded) in a 3 kHz
  • Narrowband up to 16000 bps (coded) in a 3 kHz
  • High Data Rate (HDR) Modem
  • External ARQ interface (e.g. S 5066)

2G ALE Controller Software Option

  • MIL-STD-188-141B App A
  • FED-STD 1045
  • Occupancy Detection
  • MIL-STD-188-141B App B
  • FED-STD 1049 Linking Protection

STANAG 4538 (3G ALE) Modem Software Option

  • 3G Link Setup (Fast Link Setup) (FLSU)
  • Data transmitted as packets
  • LDL & HDL Data Link Protocol (ARQ)
  • Circuit Link Controller (CLC)
  • Linking Protection
  • Occupancy Detection

56-bit Encryption & 2400 Vocoder Software Options

  • Encrypted voice and data communication
  • MELPe voice coding (US customers only)
  • TWELP voice coding by DSP Innovations Inc. (www.dspini.com)
  • Improved voice quality in noisy channels
  • See also: EF-256 Embedded Functions for Secure Voice & Data
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