Icom

Model: F21SDTC

UHF 4WATT 2CH PROGRAMBLE W/DROP IN CHARGER

The IC-F21S is the on-site communications solution for small businesses, hotels, hospitality, landscapers, nurseries and all enterprises that need economical, fast two-way communications.
The IC-F21S is a two channel version of the IC-F21. This model comes with a drop-in charger.

General

Frequency coverage : 440-470 MHz

Type of emission :

• 16K0F3E (at 25 kHz)
• 8K50F3E (at 12.5 kHz)

PLL channel step : 5 kHz and 6.25 kHz

Number of channels : IC-F21/IC-F21S: 16/2

Power supply requirement : 7.2 V DC (negative ground)

Current drain (approx.) :

• Tx High (4 W): 1.6 A
• Low1 (2 W): 1.2 A
• Low2 (1 W): 0.8 A

Rx Rated audio: 250 mA

Standby: 70 mA

Frequency stability : +/-2.5 ppm

Operating temperature range : -30 degC to +60 degC ; -22 degF to +140 degF

Transmitter

Output power (at 7.2 V DC) : 4 W, 2 W or 1 W

Modulation system : Variable reactance frequency modulation

Max. frequency deviation :

• +/-5.0 kHz (at 25 kHz)
• +/-2.5 kHz (at 12.5 kHz)

Spurious emissions : 73 dB typ.

Adjacent channel power :

• 70 dB typ. (at 25 kHz)
• 60 dB typ. (at 12.5 kHz)

External mic. connector : 3-conductor 2.5 (d) mm (1 /10") / 2.2 kOhms

Receiver

Receive system : Double-conversion superheterodyne

Intermediate frequency :

• 1st 46.35 MHz
• 2nd 450 kHz

Sensitivity : 0.25 muV typ. (at 12 dB SINAD)

Squelch sensitivity : 0.3 muV typ. (at threshold)

Adjacent channel selectivity : 70 dB typ. (at 25 kHz) 65 dB typ. (at 12.5 kHz)

Spurious response rejection : 70 dB typ.

Intermodulation rejection : 70 dB typ.

Audio output power (at 7.2V DC) : 500 mW (typical at 5% distortion with an 8 ohm load)

External speaker connector : 2-conductor 3.5 (d) mm (1/8") / 8 ohms