AT RF20 MultiBand Handheld Transceiver

Operating features

a) in all operation modes
• automatic self-test after power-up, with failure indication on the transceiver display (BITE);
• operational data programming from external units;
• emergency erasure of operation data on fixed frequency channels, including encryption unit codes and information for FH networks including
TRANSEC and COMSEC;
• transmission of tone calling (1000 ± 200) Hz, in VHF III band (1750 ± 25) Hz;
• acoustic signaling switching on/off by transceiver operator;
• display and keypad backlight activation;
• adjustable display contrast;
• battery pack voltage signaling;
• transmission power signaling on the display, transmission signaling by LED on the top panel;
• "reception only" mode, with transmission disabled;
• whisper mode with increased microphone sensitivity and decreased audio volume;
• displaying of servicing information - firmware;
• easy to control;
• displaying of the data from GPS with connected GPR30 receiver on the transceiver display.

b) in fixed frequency mode
• max. 10 presets from the entire frequency range 25 MHz to 145.9875 MHz, fewer preset channels if occupied by FH networks;
• simplex or semi-duplex operation;
• 150 Hz sub-tone squelch or signal squelch (only signal in VHF II);
• voice operation via internal encryption unit compatible with RF13, RF2050;
• transmission and reception of short encrypted messages - FLASH, with the opposite transceiver identification;
• channel parameter programming from keypad;
• preset channel scanning;
• direct dialing when calling from transceiver to a fixed telephone network;
• operation frequency setting in 6.25 kHz, 8.33 kHz, 25 kHz or 1 MHz steps;
• transmission band for digital voice and data transmission 16 kbit/s according to STANAG 4204, edition 2.

c) in FH operation
• max. 6 network presets;
• operation frequency range from 30.000 MHz to 87.975 MHz;
• secure operation TRANSEC and secret operation COMSEC;
• compatibility with RF20, RF2050 transceiver;
• selectable frequency hopping operation mode - FH, DFF, FCS and MIX, or SFH, SDFF, SFCS and SMIX with quick transition to HLC, HLG or HLA;
• establishing of connection with fixed frequency transceivers through HLC and HLG monitoring;
• 121.500 MHz (HLA) frequency monitoring and transition to HLA with transmission disabled;
• late net entry with synchronization request;
• master transceiver switching depending on the network condition;
• transmission of warning message to all network participants;
• MASTER transceiver authentication request;
• MASTER transceiver selective communication with a selected slave transceiver;
• transmission and reception of short text message, maximum 156 characters;
• transmission over notification (BREAK IN) by MASTER transceiver;
• INTERLEAVING switching off for close-to-the-limits communication;
• data transmission at adjustable rates - 7100 bit/s, 4800 bit/s and 2400 bit/s.

Technical parameters

Packages

• ECCM  handheld transceiver package AT RF20
• Package t with modular carrying system elements AT RF20

Accessories

• Battery pack AT LP1302
• Short tape antenna 0.5 m AT AS1301
• Long tape antenna 1.1 m AL1301
• Transceiver bag
• Set bag
• Battery pack bag
• Set bag
• Carrying harness
• Transceiver sleeve
• Combination shoulder straps (left, right)
• Battery pack case (6000010103)
• Double charger set ND1301
• Universal charger set NU1302
• Mobile charger set NM1302
• Standard charger adapter set NS1301
• Standard battery charger set NS13
• Trickle charger adapter NK1301
• Hang-up antenna RF13.8
• Handheld microphone/speaker RM1301
• Fill gun set PK20
• Radio modem set (Net) MD13.2
• Radio modem set (P2P) MD13.2
• GPS receiver for transceiver GPR30
• Testing device set KZ13
• Data cable