RF20 EPM handheld multiband transceiver with improved resistance to electronic warfare is designated for use at the lowest tactical command levels for all kinds of military units. Depending on the type of selected frequency band, the transceiver is able to communicate in HF band with frequency modulation, with VHF RF13 transceivers, RF2050, RF2350 mobile transceivers and with airborne transceivers in Aircraft band I.

PN (RN): 2300.100.10

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;
• position, velocity and time display on the LCD with GPR23 receiver connected;
• easy to control;
• transceiver remote control via PRC20 protocol;
• automatic transition from increased output to nominal output with dropped nominal supply voltage;
• possibility of using bag for modular carrying system.

b) in fixed frequency mode
• max. 10 presets from the entire frequency range, 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, RF23 - in FM ranges;
• transmission and reception of short encrypted messages – FLASH, with the opposite transceiver identification;
• data transmission according to MIL-STD-188-220 (NET);
• channel parameter programming from keypad;
• preset channel scanning;
• 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 in frequency range 30.000 MHz to 87.975 MHz;
• secure operation TRANSEC and secret operation COMSEC;
• simplex or semi-duplex operation with frequency hopping;
• compatibility with RF2050 and RF23 transceivers and RX2050 receiver on simplex and semi-duplex channels;
• selectable frequency hopping operation mode – FH, DFF, FCS, MIX and IFF with quick transition to HLC, HLG or HLA;
• communication on the channel with a continuous carrier;
• iso-fixed frequency operation mode;
• 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;
• all transceivers authentication request;
• MASTER transceiver selective communication with a selected slave transceiver;
• transmission and reception of short text message, maximum 156 characters;
• preparation, saving and reading of up to 10 short text messages;
• transmission over notification (BREAK IN) by all transceivers;
• INTERLEAVING switching off for close-to-the-limits communication;
• data transmission at adjustable rates – 7100 bit/s, 4800 bit/s and 2400 bit/s (P2P);
• data transmission according to MIL-STD-188-220 (NET);
• CW mode suitable for use with external frequency converters;
• G-track, sending position reports via radio channel (with GPR23 receiver connected);
• own position sending by SMS (with GPR23 receiver connected).

Frequency range 25.000 MHz to 145.9875 MHz
Nominal input/output impedance 50 Ω
Frequency ranges
HF 25.000 MHz to 29.975 MHz
VHF I 30.000 MHz to 108.000 MHz
VHF II 117.975 MHz to 140.000 MHz
VHF III 140.025 MHz to 145.9875 MHz
Modulation type
Channel spacing
HF band 25 kHz
VHF I band 25 kHz; 12.5 kHz; 6.25 kHz
VHF II band 25 kHz; 8.33 kHz
VHF III band 25 kHz; 12.5 kHz
Number of operation channels at 25 kHz channel spacing
HF 200
VHF I 3121
VHF II 882
Preset channels 10
Number of channels monitored in all special operation modes 3 (two adjustable, third fixed at 121.500 MHz)
Max. number of programmable nets 6
Nominal supply voltage 7.2 V
Limit supply voltage 6.5 V to 9.5 V
Frequency band with special operation modes 30.000 MHz to 87.975 MHz
Voice operation F3E according to STANAG 4204
Types of special operation modes
FH frequency hopping
DFF digital fixed frequency
FCS free channel search
MIX mixed operation FH and FCS
IFF iso-fixed frequency
CW continuous wave
Time to first synchronization max. 5 s
Synchronization hold with transceiver off and battery pack connected min. 48 hours
transceiver synchronization hold with battery pack disconnected min. 50 s
Transceiver current consumption
transmission (nominal power) 1.6 A
transmission (reduced power) 0.65 A
transmission (increased power) 3.2 A
reception 0.2 A
stand-by 0.18 A
Operation time (transmission [2 W] : reception : stand-by = 1 : 1 : 10)
with LP1302 battery pack min. 15 hours
with LP20 battery pack min. 28 hours
Transmitter nominal output for FM 2 W
Transmitter nominal output for AM 1 W
Transmitter reduced output for FM 0.2 W
Transmitter reduced output for AM 0.1 W
Transmitter extended output for FM 5 W
Harmonics suppression min. 40 dB
Spurious suppression at > 25 kHz mistuning min. 60 dB
Sensitivity 0.5 µV at 12 dB SINAD
Non-linear distortion factor 10 %
Loudspeaker output power 200 mW/8 Ω
Audio bandwidth
narrow band 300 Hz to 3 000 Hz
wide band 20 Hz to 11 000 Hz
Mechanical properties and resistance
Immersion 1 m depth
Operating temperature range -40 °C to +70 °C
transceiver with battery pack W 97 mm x H 217 mm x D 44 mm
LP1302 battery pack W 79 mm x H 61 mm x D 44 mm
LP20 battery pack W 76 mm x H 95 mm x D 45 mm
transceiver max. 0.85 kg
LP1302 battery pack max. 0.3 kg
LP20 battery pack max. 0.45 kg
Average ranges in a medium undulated and wooden terrain at nominal power
with AS1301 short tape antenna 0.8 km
with AL1301 long tape antenna 5 km
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RF20 - EPM handheld transceiver set

PN (RN): 2300.000.10

Set consists of RF20 EPM handheld transceiver and accessories. The RF20 multiband transceiver with improved resistance to electronic warfare is...

RF20 - Set with modular carrying system elements

PN (RN): 2300.000.62

Set consists of RF20 EPM handheld transceiver and accessories. The RF20 multiband transceiver with improved resistance to electronic warfare is...

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LP1302 - Battery pack

PN (RN): 7029.100.02

Power supply for RF20 radio system transceivers. The battery pack consists of serial-parallel set of four LiIon cells with protective diagnostic circuits, and a capacity display.

  • nominal capacity 3.6 Ah

AS1301 - Short tape antenna 0.5 m

PN (RN): 2038.100.01
KČM: 0064681101058
NSN: 5985160025492

Short-distance communication between RF20 or RF1301 transceivers. This antenna can also be used with the RF13 transceiver. The antenna proper...

AL1301 - Long tape antenna 1.1 m

PN (RN): 2037.100.01
KČM: 0064681101236
NSN: 5985160015375

This is a basic type antenna for RF20 or RF1301 transceivers. This antenna can also be used with the RF13...

Transceiver bag

PN (RN): 6000010032
KČM: 0067100045353
NSN: 5820160044342

Set bag

PN (RN): 6000010033
KČM: 0067100045346
NSN: 5820160044343

Battery pack bag

PN (RN): 7020.116.01
KČM: 0064725000813
NSN: 5895160015377

LP20 - Battery pack

PN (RN): 7029.100.11, 7029.100.13

Power supply for RF20 radio system transceivers. The battery pack consists of serial-parallel set of six LiIon cells with a protective diagnostic circuit. The diagnostic circuit is equipped with a battery charging status display.

  • nominal capacity 6.7 Ah

PP20 - Battery holder

PN (RN): 7029.100.50

AA disposable batteries holder for the RF20 radio system that may be used in lieu of the LP1302 or LP20...

NU1302 - Universal charger set

PN (RN): 7027.000.02

Set consists of NU1302 universal charger and accessories. The charger is designed to charge and discharge up to eight BP1301...

NM1302 - Mobile charger set

PN (RN): 7028.000.02

Set consists of NM1302 mobile charger and accessories. NM1302 charger is designed to charge BP1301 (NiCd) and LP1302 (LiIon) battery...

PC20 - Small mains charger set

PN (RN): 7046.000.12

PD13 - Long-wire antenna

PN (RN): 2036.100.10
KČM: 0064681101577
NSN: 5985160038730
The directional long-wire antenna is used for range enlargment in a given direction. The antenna can be installed as half...

RF13.8 - Hang-up antenna

PN (RN): 2036.100.11
KČM: 0064681101065
NSN: 5985160024749

This antenna is used for operation of the RF13 transceiver from trenches, forests or from buildings. The antena consits of...

AL13 - Long tape antenna 1.5 m

PN (RN): 2039.100.01
KČM: 0064685905834
NSN: 5985160033179

This is a basic type antenna for RF13 transceiver (VHF). It can be easily used instead of 1.5 m...

RM1301 - Handheld microphone/speaker

PN (RN): 2009.100.01
KČM: 0064332001036
NSN: 5965160024751
The handheld microphone/speaker make it possible to operate the basic transceiver set and the mobile set without the necessity...

RM20 - Handset with control

PN (RN): 2313.100.01

The handset with control is intended to control RF20 transceiver. Besides the basic functions of radio channel monitoring, transceiver keying and voice modulation, it features channel selection and step volume change.

  • 10 pin connector DICOM

PK20 - Fill gun set

PN (RN): 2320.000.02

The set is used for operation data programming of the RF13 (including RF1301) and RF20 transceivers. The set consists of...

GPR23 - GPS receiver for RF20 radio system

PN (RN): 2332.100.01

The GPS receiver is an accessory to transceivers that are part of the RF20 system. With this accessory you can...

GPS receiver cable

PN (RN): 1050.312.23

Data cable (USB)

PN (RN): 1050.285.01
KČM: 0067100044514
NSN: 5995160043005

Data cable (RS232C)

PN (RN): 1050.285.02

CD for modem configuration

PN (RN): 2025.500.51

ModEx (Modem Expert) application is a universal configuration tool for setting up of network radio modems (compatible with MIL-STD188-220). ModEx...

RF headsets

The RF product line headsets are designed for RF20 and RF13 radio system transceivers.

Type designation Name PN (RN) KCM NSN
LP1302 Battery pack 7029.100.02
AS1301 Short tape antenna 0.5 m 2038.100.01 0064681101058 5985160025492
AL1301 Long tape antenna 1.1 m 2037.100.01 0064681101236 5985160015375
Transceiver bag 6000010032 0067100045353 5820160044342
Set bag 6000010033 0067100045346 5820160044343
Battery pack bag 7020.116.01 0064725000813 5895160015377
LP20 Battery pack 7029.100.11, 7029.100.13
PP20 Battery holder 7029.100.50
NU1302 Universal charger set 7027.000.02
NM1302 Mobile charger set 7028.000.02
PC20 Small mains charger set 7046.000.12
PD13 Long-wire antenna 2036.100.10 0064681101577 5985160038730
RF13.8 Hang-up antenna 2036.100.11 0064681101065 5985160024749
AL13 Long tape antenna 1.5 m 2039.100.01 0064685905834 5985160033179
RM1301 Handheld microphone/speaker 2009.100.01 0064332001036 5965160024751
RM20 Handset with control 2313.100.01
PK20 Fill gun set 2320.000.02
GPR23 GPS receiver for RF20 radio system 2332.100.01
GPS receiver cable 1050.312.23
Data cable (USB) 1050.285.01 0067100044514 5995160043005
Data cable (RS232C) 1050.285.02
CD for modem configuration 2025.500.51
RF headsets