General Purpose Transparent Data Modem

VHF without Ethernet IC-F5122DD versions 02/03
VHF with Ethernet IC-F5122DD versions 12/13
UHF without Ethernet IC-F6122DD versions 02/03
UHF with Ethernet IC-F6122DD versions 12/13

Application Examples

  • Farm vehicle management
  • Utilities (water works/electricity meters)
  • Airport ground vehicle management
  • Various gate control applications
  • Oil (pipe lines/well drilling) management
  • Road/highway construction traffific management
  • Weather/environment monitoring
  • Traffific monitoring systems

9600 bps (at 12.5 kHz) and 4800 bps (at 6.25 kHz) Data Mode Programmable

RS-232 and RS-232 + Ethernet Versions

Fast Data Transfer Using 4-Level FSK Modulation Suitable for Real-Time Data Monitoring

25 W, 10 W and 6 W (or 2.5 W) Three-Step RF Output Power

BNC Antenna Connector

Individual, Group and All Calls

Data Encryption Function (500 codes)

Memory Channel Selection via PC Control Command

Optional CS-F5120DD, Programming Software and
OPC-2218LU, USB Type Programming Cable





Frequency coverage 136–174 MHz 400–470 MHz
Number of channels 128 channels
Type of emission 8K30F1D, 4K00F1D (4FSK)
Channel spacing 12.5/6.25 kHz
Over-the-air data rate 9600/4800 bps
Power supply requirement 13.6 V DC
(USA version)

13.2 V DC
(EUR version)
Current drain
Tx High (25 W) 6 A
Rx Standby 400 mA
Antenna impedance 50 Ω (BNC)
Operating temperature range −30°C to +60°C;
−22°F to +60°F
Dimensions (W×H×D)
(Projections not included)
150×40×134.7 mm;
5.91×1.57×5.3 in
Weight (approx.) 900 g; 2.0 lb
Ethernet interface
(Depending on version)
10BASE-T (Full/Half-duplex),
100BASE-TX (Half-duplex)
with Auto-negotiation function
RS-232 connection rate 1200, 2400, 4800, 9600, 19200, 38400 baud





Output power 25 W, 10 W, 2.5 W (Hi, L2, L1)
(USA version)

25 W, 10 W, 6 W (Hi, L2, L1)
(EUR version)
Spurious emissions 70 dB min.
(USA version)

0.25 μW (≤ 1 GHz), 1.0 μW(> 1 GHz)
(EUR version)
FSK error 2.5% typ. (DN/DVN)
Frequency stability ±1.0 ppm





Sensitivity (at 1% BER) −4 dBμV/−5 dBμV emf typ. (DN/DVN)
Adjacent channel selectivity 64 dB/60 dB typ. (DN/DVN)
Spurious response 76 dB/70 dB typ. (DN/DVN)
Intermodulation 68 dB/66 dB typ. (DN/DVN)

Applicable U.S. Military Specifications

Icom makes rugged products that have been tested to and passed the following MIL-STD requirements and strict environmental standards.

Standard MIL-810 G
Method, Proc.
Low Pressure Storage

500.5 I

Low Pressure Operation

500.5 II

High Temperature Storage

501.5 I

High Temperature Operation

501.5 II

Low Temperature Storage

502.5 I

Low Temperature Operation

502.5 II

Temperature Shock

503.5 I-C

Solar Radiation

505.5 I

Humidity Induced

507.5 II


514.6 I

Shock Functional

516.6 I

Shock Transit Drop

516.6 IV

Also meets equivalent MIL-STD-810 -C, -D, -E and -F.

All stated specifications are subject to change without notice or obligation.

Catalogs / Brochures

Instruction Manual / Guides