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Detailed instructions for use are in the User's Guide.
[. . . ] VHF only)
VHF AND UHF TRANSCEIVERS
ADDITIONAL FEATURES
Advanced Multi 2-tone/5-tone systems Programmable actions when a matched tone is received
· LED lighting ON/OFF/Blink · Answer back calls · Beep sounds · Scan start/stop · Auto transmission · Stun/Kill functions (prevents use of a lost or stolen radio) · External out for horn drive (Optional OPC-617 is required)
Ten 2-tone codes or eight 5-tone codes can be decoded on a channel Three call codes are programmable
Other features Hook scan function and Hook scan ON/OFF button are assignable 24-digit DTMF autodial memory Automatic ID (DTMF code) transmission linked to PTT Busy lockout and repeater lockout Power on password External I/O terminal socket with optional OPC-617 Optional Voice Scrambler, UT-109/UT-110 Meet MIL-STD 810 C, D, E and F Specification
SPECIFICATIONS
GENERAL
: IC-251 136174MHz IC-F221S 440490MHz · Number of channels : 8 channels (4 channels × 2 banks) · Channel spacing : 12. 5/25kHz, 15/30kHz · PLL channel step : VHF 2. 5, 3. 125kHz UHF 5, 6. 25kHz · Frequency stability : VHF ±5. 0ppm UHF ±2. 5ppm · Operating temp. range : 30°C to +60°C; 22°F to +140°F · Power supply voltage : 13. 6V DC 14A · Current drain (approx. ) : Tx VHF (50W) 13A UHF (45W) Rx max. [. . . ] audio 1200mA standby 300mA · Antenna impedance : 50 (SO-239) · Dimensions (W×H×D) : 150×40×167. 5mm; 529/32×19/16×619/32in · Weight : 1. 1kg ; 2. 4lb · Frequency coverage · Output power
(at 13. 6V DC)
TRANSMITTER
· Max. deviation · Spurious emissions · Adjacent Ch. impedance : VHF 50W UHF 45W : ±5. 0/2. 5kHz (wide/narrow) : 70dB typ. : 70/60dB (wide/narrow) : 600 (8-pin modular)
Applicable U. S. Military Specifications The IC-251/F221S meets MIL-STD requirements and strict environmental standards as follows.
Standard Low Pressure High Temp. All stated specifications are subject to change without notice or obligation.
· Ext. SP connector
: 2-conductor 3. 5 (d) mm (1/8)/4
OPTIONS
Some options may not be available in some countries. Please ask your dealer for details.
· HM-100TN DTMF MICROPHONE · OPC-617 ACC CABLE For external terminal connection. · SM-25 DESKTOP MICROPHONE Convenient for dispatching, equipped with monitor switch. HM-100TN OPC-617
· SP-5/SP-10/SP-22 EXTERNAL SPEAKERS Compact and easy-to-install. [. . . ] HM-100TN OPC-617
· SP-5/SP-10/SP-22 EXTERNAL SPEAKERS Compact and easy-to-install. input power: 5W · UT-108 DTMF DECODER UNIT Provides DTMF decode and ANI capabilities.
· UT-109 VOICE SCRAMBLER UNIT (Version 02) Up to 32 non-rolling scrambling codes available. [. . . ]
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