RX2050 – EPM receiver

Tactical communication, Military, Defence, Naval, Air Force

RX2050 receiver is a device intended for installation in mobile devices. It ensures reception of RF signals from transceivers operating in 25 MHz to 146 MHz fixed frequency band. Transceiver modulation in 30 MHz to 108 MHz band meets the requirements of STANAG 4204 standard. In other bands, the receiver is capable of receiving signals from RF2050 or other transceivers that are compatible with the RF2050 in terms of modulation at these frequencies. The RX2050 receiver also receives signals in frequency hopping mode and it is fully compatible with the RF2050 and RF20 transceiver modes. The receiver includes an effective co-site filter that allows simultaneous operation of the RX2050 receiver with RF2050 transceivers in a single vehicle in 30 MHz to 90 MHz operating band. The condition of compatible operation is the distance between recommended vehicle antenna types of at least 1.5 m and receiving and transmitting frequencies differing by at least 10 %. The RX2050 receiver is not designed for data transmission.

PN (RN): 2310.100.81

a) in all operation modes
• built-in test equipment (BITE) with error indication on the transceiver display;
• operating data programming from external equipment;
• emergency erasure of operating data on fixed frequency channels including encryption unit codes and information for FH networks, including TRANSEC and COMSEC;
• switching on/off of acoustic signaling by transceiver operators;
• backlit display and keypad;
• adjustable display contrast;
• operating channel signal reception signaling by a LED on the transceiver panel;
• whisper mode with reduced audio frequency output power;
• received signal loud monitoring with volume regulation and LED monitor signaling;
• service information display – firmware;
• remote receiver control via REMOTE connector and RS232 or RS485 communication link and PRC20 protocol;
• simple control.

b) in fixed frequency operation
• up to 10 channel presents from the entire 25 MHz to 145.9875 MHz frequency range, number of preset channels is reduced when occupied by FH networks;
• simplex reception;
• 150 Hz sub-tone squelch or signal squelch (only signal in VHF II);
• reception via built-in encryption unit compatible with RF13, RF20, RF2050;
• reception of short coded messages – FLASH with opposite transceiver identification;
• keypad channel programming;
• fixed frequency channel preset scanning;
• operating frequency setting in 6.25 kHz. 8.33 kHz, 25 kHz or 1 MHz steps.

c) in FH operation
• up to 6 network presets;
• operation in 30.000 MHz to 87.975 MHz frequency range;
• secured TRANSEC operation and encrypted COMSEC operation;
• compatible with RF20, RF2050, RF23 and RF2350 transceivers;
• HLC, HLG and 121.500 MHz (HLA) frequency monitoring;
• optional frequency hopping operating modes – FH, DFF, FCS and MIX with quick transition to HLC, HLG or HLA reception;
• reception of alert message to all network users;
• reception of selective communication from MASTER transceiver;
• reception of short text messages (maximum 156 characters);
• INTERLEAVING switching off for close-to-the-limits communication.

Operating frequency25 MHz to 145.9875 MHz
Nominal input impedance50 Ω
Frequency sub-bands
HF25 MHz to 29.975 MHz
VHF I30 MHz to 108 MHz
VHF II117.975 to 140 MHz
VHF III140.025 to 145.9875 MHz
Type of received modulation
Channel spacing
HF25 kHz
VHF I25 kHz; 12.5 kHz; 6.25 kHz
VHF II25 kHz; 8.33 kHz
VHF III25 kHz; 12.5 kHz
Number of operating channels for 25 kHz channel spacing
VHF I3121
Number of preset channelsup to 10
Number of frequency-hopping channelsup to 6
Receiver sensitivity
25 MHz to 29,975 MHz0.6 μV
30 MHz to 90 MHz0.7 μV
90.00625 MHz to 108 MHz0.5 μV
117.975 MHz to 140 MHz0.5 μV
140.025 MHz to 145.9875 MHz0.5 μV
Dynamic two-signal selectivity for adjacent channelmin. 57 dB
Suppression of intermediate frequenciesmin. 80 dB
Suppression of image-channel frequenciesmin. 60 dB
Suppression of spurious receptions at > 10 % detuning from operating frequencymin. 70 dB
Range of effectively transmitted frequencies
narrow band audio300 Hz to 3000 Hz
wide band audio20 Hz to 11000 Hz
Audio frequency levels on AF connector
narrow band audiomin. 200 mW, adjustable level up to 8 Ω
narrow band audiomin. 775 mV, constant level up to 600 Ω
wide band audio1000 mV, constant level up to 600 Ω
Acoustic pressure of the built-in speakermin. 85 dB at maximum volume
Non-linear distortion factorup to 10 %
Nominal supply voltage12 V or 24 V
Limit supply voltage range10 V to 33 V
Maximum consumption0.625 A at 24 V
1.25 A at 12 V
Consumption during synchronization holdup to 0.015 A from 24 V backup supply
Range of operating frequencies in FH modes30 MHz to 87.975 MHz
Number of monitored frequencies in FH modes3 (two programmable, third 121.5 MHz)
Frequency hopping modes
FHsecure frequency hopping
DFFsecure digital fixed frequency
FCSsecure free channel search
MIXmix mode FH + FCS
Time to initial synchronizationup to 5 s
Synchronization hold48 hours
Synchronization hold with disconnected power supply50 s
Minimum number of operation frequencies in FH modeone
Hopping rate100 hops/s
Maximum dimensions184 mm x 196 mm x 175 mm [w x h x d]
Maximum weightup to 6.5 kg
Operating temperature-40° C to +70 °C
Mechanical and climatic resistanceaccording to MIL-STD-810E
EMC immunityaccording to MIL-STD-461E
Mains power immunityaccording to MIL-STD-1275B
RX2050 operating instructions2310.010.81
RF2050 short operating instructions2310.011.12
Tactical communication, Military, Defence, Naval, Air Force
RX2050 - EPM receiver set
PN (RN): 2310.000.81

Set consists of RX2050 EPM receiver and accessories.

For more details on RX2050 EPM receiver and other set components see…