Description

1. The call host adopts 1U standard rack-mounted design, equipped with speaker, volume control knob, 4Pin XLR headphone port, 3Pin XLR microphone interface, DB 25Pin Tally input interface, ANT transceiver antenna interface, AUX audio input and output and 220V power interface , the host can be installed on the rack.
2. The main unit of the call is equipped with a crystal self-locking button, which can switch the speaker of the main unit as needed, and supports 12-way red and green tally indicator lights.
3. The host is equipped with 9 LED crystal reset keys, including 1-9 channel one-way/two-way call control buttons and 1 host and substation encryption configuration button.
4. The communication system adopts 433MHZ～440MHZ frequency band 500KHZ bandwidth, GFSK mode, the transmission power is 30dBm, and the visible transmission distance is 2000 meters in the open space. The host supports independent control to realize 1-to-1, one-to-many and many-to-many wireless calls. The one-to-one encryption design of the extension supports simultaneous use of multiple sets of calls on one site. The high-sensitivity microphone design ensures clear sound quality and almost zero noise interference when 9 parties speak at the same time.
5. The call extension is designed with an aluminum alloy anodized shell, providing ant transceiver interface, knob volume switch, 6pin m-XLR earphone port, combination button for setting operation, TALLY external interface and mini USB charging port, powered by 5000mAh large-capacity lithium battery , to meet the continuous working use of more than 10 hours.
6. The extension is provided with an LED display and four operation buttons. The LED screen display has power display, extension configuration, call connection indicator light, transmission and reception status indication, etc. Users can perform visual operation settings according to their needs, which has met the needs of on-site use. .
7. The main unit of the call adopts the standard of 1U height and 19 inches, and the panel is made of aluminum alloy CNC industry. The weight is only 2.28kg, which is light and applicable, and beautiful.
8. The call system supports switchers such as Datagram, Sony, Panasonic, Ross, and BMD, and all-in-one machines such as Tianyingtong, Dayang, Shangyang, and Sobey to realize tally prompts.

Host:                                                                                              Extension :
-Button interface Power switch                                                      -Antenna interface SMA-K female
-14 crystal control keys                                                                    -Switch and Volume Knob
-volume knob                                                                                    -6-core mini XLR headphone jack
-Status Indicator                                                                              -3.5 inch LED display
-3-core XLR female gooseneck microphone input                    -Status Indicator
-4-core XLR female headphone output speaker                        -Extension setting button
-Antenna interface (ANT socket)                                                  -mini usb charging port
-DB25 female Tally interface                                                        -3.5 Tally output port
-3-core AUX IN audio input                                                          – back clip
-3-core AUX OUT audio output
-AC power base AC input

Power supply voltage 100-240V AC input 50/60Hz                 -5000mah, polymer lithium battery
Receiving sensitivity ≤-93dBm                                                      ≤-93dBm
Power consumption <1W                                                                <1W
Dimensions 482 x 45 x 215mm (including antenna interface) 65 x 27 x 163mm (including antenna height)

Working frequency 428-439MHz digital frequency;
Frequency response 550~3.6KHz, <+/-3dB
Signal to Noise Ratio >50dB
Temperature range -20～60℃
Total Harmonic Distortion (THD) ＜3%
Talking distance The maximum distance between the main unit and the handset is 2000 meters (visual distance)