Frequency Range: All (2400 – 2483.5 MHz), Low (2401.92 to 2439.936 MHz) or High Band (2443.392 to 2481.408 MHz)
Frequency Response: 200 Hz to 7 kHz
Security: 64-Bit Encryption
Temperature Range: -4 to131°F (-20 to 55°C)typical
Transmit/Receive: Frequency-Hopping, Spread Spectrum (FHSS)
Transmit Power: 100mw Burst
Modulation Type: Gaussian Filtered FSK, TDMA
Frequency Stability: 13 ppm
Harmonics/Spurious: Exceeds FCC and ETSI Specifications Over Temperature
RF Sensitivity: <-90dBm w 10-3 BER
System Distortion: <2%
Dynamic Range: -90dBm to –20dBm
FCC Acceptance: Part 15
Antenna Type: Internal, Dual Diversity
Transmission Modes: Continuous (Latched) or Push-to-Talk (PTT)
Mic Input: Electret
Headset Output: 160mw into 32W
Controls (Default): Power-On/Off, Volume-Up/Down, IC-Talk, ISO-Relay
Indicators: Power/Transmit/Low Battery LED & Voice Prompts
Latched: Up to 14 Hours
PTT: Up to 20 Hours
5.7 oz (0.16 kg) with Battery
The DX340ES is a slightly modified version of the DX300ES that includes better RF filtering, lost packet concealment and enhanced 7kHz wideband audio.
Each base can support up to four full-duplex or 12 half-duplex WH340 headset users. By linking four base stations together, up to 16 full-duplex or 44 half-duplex WH340 users can be in communication.
The WH340 has a rugged, reinforced casing and long lasting keypads with no mechanical switch. The WH340 has a lightweight, balanced design and wire-free steel headband for all day comfort.
Using the BAT50 Li-Ion battery, the WH340 has up to 12 hours of battery life. The AC50 charges up to 4 BAT50 batteries at a time and includes storage slots for 4 additional batteries. Charging time is 2.5 hours.