CONSORCIO EFM SAC Empresa de Comunicaciones

TH-79AKSS

CARACTERISTICAS

Cross-band repeater function and full duplex available
82 non-volatile memory channels with ID
Dot-Matrix LCD and menu system
Encoder/Decoder built-in
Alphanumeric access to guide function
Ability to receive two frequencies on the same band simultaneously
5 watts power
Sky Command HF operation
SkyCommand Manual

ESPECIFICACIONES

Antenna Impedance 50 ohms

Audio output Greater than 200 mW at 8 ohms, 10% distortion

Current Drain Battery Save Mode approx. 20mA

Current Drain Recieve approx. 80mA

Current Drain Transmit EL (6V) 300 mA

Current Drain Transmit HI (13.8V / 6V) 1.3 A (144 MHz)

Current Drain Transmit HI (13.8V / 6V) 1.8 A (440 MHz)

Current Drain Transmit LOW (6V) 0.6 A

Dimensions (W x H x D) 2-3/16 x 5-1/8 x 1in (56 x 129.5 x 24.5 mm)

Frequency Range RX 144 MHz: 144 - 148 MHz, 118 -174 MHz, 438 - 450 MHz

Frequency Range RX 440 MHz: 438 - 450 MHz, 138 - 174 MHz

Frequency Range TX 144 MHz: 144 -148 MHz

Frequency Range TX 440 MHz: 438 - 450 MHz

Ground Negative

Microphone Impedance 2 kohms

Mode F3E (FM), [A3E (AM) RX: 118 - 136 MHz]

Operating Temperature Range -20° C - 60° C

Operating Voltage Battery 4.5 5.0 V DC (6 V DC standard)

Operating Voltage External 5.5 - 6.0 V DC (13.8 V DC standard)

Weight (approx.) 0.7 lbs (320g)

Receiver

Circutrity Double conversion superheterodyne

Intermediate Frequency 1st IF 38.85 MHz (144 MHz)
45.05 MHz (440 MHz)

Intermediate Frequency 2nd IF 450 kHz (144 MHz)
455 kHz (440 MHz)

Selectivity -6 dB Greater than 12 kHz

Selectivity -60 dB Less than 28 kHz

Sensitivity (12dB SINAD) Main bands: Less than 0.16 µV (144 MHz),
Less than 0.18 µV (440 MHz)

Sensitivity (12dB SINAD) Sub band: Less than 0.25 µV (144/440 MHz)

Spurious response Less than 50 dB

Squelch Sensitivity Less than 0.1 µV

Transmitter

Frequency Tolerance Within ±10 ppm (-10° C - 50° C)
Within ± ppm (-20° C - 60° C)

Maximum Frequency Deviation ±5 kHz

Modulation Reactance modulation

Modulation Distortion Less than 3%

RF Output Power EL approx. 30 mW

RF Output Power HI (13.8V) 5W

RF Output Power HI (6V) approx. 2W (440 MHz)

RF Output Power HI (6V) approx. 2.7W (144 MHz)

RF Output Power HI (9.6V) approx. 5W

RF Output Power LO approx. 0.5W

Spurious Radiation EL Less than -40 dB

Spurious Radiation HI Less than -60 dB

Spurious Radiation LOW Less than -50 dB

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