Telephone call recoredr, fixed cellular terminal, GSM fct terminal, GSM gateway device, fixed wireless terminal, GSM hotline device, voice mail facility, GSM auto dialer, telephone call recorder, call monitoring software, digital voice logger.
Frequency rangeú¦400-420mhz/450-470mhz Computer software write the frequency Channel 16, 39 group ctcss analog audio dumb Reported in the english-frequency voice and the voice prompts, and other design features of human nature Super power-saving feature Aesthetic appearance, durable Simple operation 1200mah lithium batteries Resonant voice, the channel broadcast Low-voltage warning function Weight:about 200g(including battery pack) Volume:100íß50íß28¬l Theoretical distance calls: 5-6km
Amplifiers and microphones, amplifiers, microphones, wireless amplifiers.
Wireless earphone, wiress headsets, magnetic wireless charger.
Cctv Camera Video Door Phone Home Automation Products Home Theatre Solution.
School and company equipment like 55inch to 98inch interactive display, interactive whiteboard, interactive touch screen, ir touch frame, all in one board, electric board.
Wireless Nvr Kit, Juan Poe Kit, Tuya Smart Ai Kit, Tuya Smart Dome.
Digital printing materials, USB hubs, wireless chargers.
HDMI extender, HDMI over IP extender, HD base extender, HDMI splitter, HDMI switch, HDMI matrix, extender, splitter, switch, matrix, wireless HDMI extender, wireless HDMI matrix, fiber cable, HDMI extender over coax cable, HDMI to RF modulator, HDMI extender splitter, HDMI extender switch, HDMI over IP extender matrix, HDMI modular matrix, HDMI extender, HDMI video wall controller, HDMI multi viewer switch, HDMI converter, VGA extender, VGA converter, SDI extender, SDI converter, SDI switch, SDI splitter, DVI extender, DP extender.
Electronic security systems, cctv, biometric time attendance, access control systems, fire alarm, intrusion alarm, boom barrier, flap barrier, swing barrier, bollards, x-ray baggage scanner, metal detector, home automation, video door phones , customized software solutions.
Lora/wifi Wireless Module/bluetooth/zigbee Wireless Modules, 4g Networking Equipment, Ethernet Modules, Nb Iot Data Transmission Terminals, Industrial Iot.
Wireless Video Doorbell 3 5 Inch Lcd, Intercom 4g Intercom, Wired Intercom,.
Tws Earbuds, Wireless Earphone, Headphones, Wired Earphones, Usb Cable..
Type SGQ-150 SGQ-230 SGQ-350 SGQ-350D SGQ-450 SGQ-450D Frequency (MHz) 136~172 220~240 336~370 336~370 380~470 380~470 Bandwidth (KHz) 200 500 500 500 500 500 VSWR 1.5 1.5 1.5 1.5 1.5 1.5 Insertion Loss (dB) 1.2 1.2 1.2 1.2 1.2 1.2 transmit receive separation £¨MHz£© 5.7 7 10 10 10 10 Isolation (dB) >75 >75 >75 >75 >75 >75 Maximum Input Power (W) 30 30 30 50 30 50 Connector N (or BNC) N (or BNC) N (or BNC) N (or BNC) N (or BNC) N (or BNC) nominal impedance 50¸ 50¸ 50¸ 50¸ 50¸ 50¸ Dimensions (mm) 220¡Á154¡Á31 214¡Á154¡Á31 275¡Á154¡Á31 270¡Á190¡Á37 228¡Á154¡Á31 225¡Á190¡Á37 Weight (kg) 1.2 0.9 1.2 1.8 1.1 1.5. 22*17*4cm/1pcs.
CCTV surveillance system, time attendance machine, desktop, video door phone, smart tv, computer networking system.Installation, export, repairing
It hardware equipment, including routers, switches, firewalls, wireless networks, servers, storage solutions, video surveillance devices, ip phones, computers, and more. we supply for top brands such as cisco, ibm, dell emc, hpe, aruba, palo alto, fortinet, juniper, arista, huawei, lenovo, etc..
Headphones, bluetooth headset, wireless earphone, microphone.
*Dimensions: 2.8 x 2.3 inches *Heavy-duty remote speaker microphone with durable 4.2mm coil cable *High quality microphone element guarantees clear voice *For additional privacy and security, there is a build-in jack, allowing operation of an remote earphone with standard 3.5mm plug. *Pretty good-looking appearance and good feel for the key-press. *With durable stainless steel rear clip can rotate 360 degrees . *Many connector types are available and optional. Carton /PE bag.
Specification 1) crt: 4" tft-lcd 2) power source: ac 100-240v 3) power consumption: 10 w 4) resolution: 420 tv lines 5) chime: ding dong chime 6) operating temperature: -10oc ~ +50oc 7) installation: wall-mounted 8) dimension: 208(l) x 150(w) x 57(h) 9) weight: 0.80 kg Certificate: ce Recommend reason:
Power strips, sockets, power outlets, surge protector sockets, wireless charger.
