Specifications and Main Features
- Type: LW / FM radio receiver
- Frequency Range: 1.5 MHz to 30 MHz
- Transmitter Output Power: Switchable Between 20 Watts and 2 Watts
- Modulation Types: Supported: A1A, J3E (U?H, LSB), with external modem supports F1B (AFSK)
- Frequency Stability: 1ppm temperature range: -20 °C to +55 °C, 2 ppm temperature range: -40 °C to < -20 °C
- Antenna Types: Whip 3.3 m or long-wire antennas
- Receiver Noise Figure: 10 dB and better
- Automatic Gain Control: Yes
- Dimensions: 285 mm (W) x 81 mm (H) x 187 mm (D)
- Weight: basic unit 4.9 kg
- Operating Temperature: -40 °C to +70 °C
- Mechanical Protection: VG 95332
- Power Supply Options: Battery Pack BT 6861/11 (NiCd, 1.8 Ah, rechargeable) or BT 6861/31 (Lithium, 10 Ah, non-rechargeable)
- Frequency Setting: Steps of 100 Hz by means of digital switches, a memory for 4 channels
- Antenna Tuning: Microprocessor-controlled fully automatic antenna tuning
- Modular Construction: Concept and use of replaceable modules without requirement for realignment
Frequently Asked Questions
Q: What is the frequency range of the Field Radio Unit SE 6861/12 mod?
A: The frequency range is from 1.5 MHz to 30 MHz.
Q: What is the maximum allowable power output from the transmitter of this device?
A: The maximum rated power output from this device is twenty watts which can be reduced to two watts.
Q: Which signal modulations are compatible with the Field Radio Unit?
A: External computers can also be used with F1B (AFSK) which supports J3E (upper and lower sideband) and A1A modulation.
Q: To what extent can the frequency drift of SE 6861/12 mod's output under steady state conditions?
A: At -20 to +55 °C the frequency stability is 1 ppm while at -40 to below -20 °C the stability is 2 ppm.
Q: Which battery packs are compatible with the Field Radio Unit?
A: It can utilize BT 6861/31 (10 Ah lithium non-rechargeable) or BT 6861/11 (1.8 Ah rechargeable nickel cadmium).
Q: Is the antenna tuning automatic with regards to the device?
A: The burr tuning unit is fully automatic and is controlled by a microprocessor hence the device will require no manual tuning.
Q: What is the total weight of the SE 6861/12 mod basic unit?
A: The basic unit weighs 4.9 kilograms.
Q: What is the maximum and minimum operational temperature this device can withstand?
A: The device is suitable for use within an environment whose temperature ranges from -40 to 70 degrees Celsius.
User Manual
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