how cdma works

Brand Name:KOREA TELECOM

Model Number:ET301

Place of Origin:China

... Strong signal-receiving ability, clear conversation environment; 4. Long service life and stable performance. CDMA 450MHz Landline Phone Specification: sensitivity -104 dBm range of working temperature -20℃... +50℃ storage temperature range -20℃...

Brand Name:Purple Horn

Model Number:X8PlusB01

Place of Origin:China

50M VHF UHF Cell Phone Signal Jammer/Jamming for Gps/2.4G/Remote Control Signal X8PlusB: CDMA/GSM/3G2100MHz/4GLTE Cellphone/Wi-Fi2.4G/Bluetooth/GPS/Glonass/GalileoL1L2 America Type frequency for United States, Canada, Mexico ,S. America. 1. GSM850MHz:850-...

Brand Name:TSL

Model Number:TSL-B4

Place of Origin:China

...CDMA Mobile Jamming Device The stationary 4bands Jammer designed to block all wireless Device in worldwide including all types GSM,CDMA,3G,UMTS,4Glte, cellular phones ,Wi-Fi/Bluetooth, 4GWimax networks ,Lojack/gps Tracking system,. Working range Up to 50meters .its also can using on vehicles support by vehicle power plugs. Built-in Best cooling system by high-speed fans, can work...

Brand Name:wolvesteam

Model Number:JM170205

Place of Origin:China

... GSM CDMA DCS 3G In Water Resistant Blaster Shelter Product Description: Working Area: Oil station, gas filled station, oil field, oil depot, etc Specifications: Output Interface Output Frequency CH1 3G: 2110-2170MHz CH2 GSM: 925-960MHz CH3 CDMA: 869-...

Brand Name:wolvesteam

Model Number:JM110846

Place of Origin:China

...CDMA GSM/PCS 3G/UMTS GPS UHF VHF 4G LTE/Wimax optional Product Description Advantages and Features 1. All the RF frequencies only blocking the downlink band, never to the uplink. 2. Good cooling system. Work 24 hours/365days continuously. 3. Easy and Fast Installation. Product parameters Working RF Frequency: Output Interface Output Frequency CH1 IDEN/Nextel/CDMA...

Place of Origin:China guangdong

Brand Name:EST

Model Number:EST-808SF

...CDMA / GSM Signal Jammer 1 Quick details : it can contious work for 2 hours with one charge. Only shields the signals from cell phone and does not affect the normal operation of other electronic devices. Jamming Range: Radius 1- 10 m (the Cellular signal must≤-85dBm in the location 2 Specification Model No. Output port Frequency Average out-putting power Channel out-putting power 808SF1 CDMA...

Brand Name:GUANGXIN

Model Number:STP-027

Place of Origin:Guangzhou, China

...GSM CDMA FM Radio Steel Tubular Electric Pole 35m Q235 2G/3G/4G/5G GSM CDMA FM Radio Communication Monopole Tower Steel structure for traffic or signage billboard gantry and pole. Structural steel frame for factory workshops or other steel works. The ...

Model Number:ZTE ZXSDR R8882

Place of Origin:China

Brand Name:Huawei

.... ZXSDR R8882 is based on ZTE new RRU platform, and it can work in GSM, CDMA, UMTS or LTE single mode or multi-mode on the same frequency band. This remote radio unit and baseband unit ZXSDR B8200 ...

Brand Name:VBE

Model Number:VBE-14IDS

Place of Origin:China

...CDMA UMTS GSM WIMAX WLan Indoor Built-in Antenna Signal Jammer Moodel: VBE-14IDS Techincal Specifications: Working Frequency bands: 14 Channels selectable 2G/3G/4G/5G/WIFI / WIMAX / GPS / LOJACK, etc Working Channels: 14 bands Total RF output power: up to 70W Internal Modulation: Analog Effective jamming range: about 5-100m, depending on local signal strength Power supply: 110-240VAC working

Brand Name:Kimpok Technology / OEM

Model Number:KP-Y800Y13

Place of Origin:China

Outdoor CDMA Yagi Wireless RF Antenna 13dbi 824MHz~896MHz for PTP System Features: Aluminium alloy material Full day working Low VSWR ,high gain good performance Application: CDMA system digital tv antenna 824-896MHz band Point to point systems ...

Brand Name:ATNJ

Model Number:JS-DB850/1700/P

Place of Origin:China

...CDMA AWS Amplifier Dual Band Repeater 2G 3G 4G Signal Booster 850 / 1700MHz CDMA AWS Amplifier Factory High Quality Dual Band Repeater 2G 3G 4G Signal Booster 850 / 1700MHz Amplifier Product Description A mobile phone signal repeater provides the ultimate solution in any area where cellular communications can not work...

Place of Origin:Jiangsu, China

Brand Name:SZHUASHI

Model Number:YJM031035JC-0810

... GSM/CDMA/900MHz RF Jammer PCBA 860-970 MHz 3W 5V Module with High Average Output Power YJM031035JC 0810 Product Description SZ-HUASHI YJM031035JC_0810 is a 3W Shield Module Applied to GSM/CDMA/900MHz Jammer , etc Frequancy 860-970MHz working voltage ...

Place of Origin:shenzhen

Brand Name:PAX

I work for a POS company and i want tomake know if your company produces a terminal that hasGPRS communication pos on the same terminal? you quick responsewill be appreciated. thank you. Key Features： PCI PTS certified ,EMV Level 1 and 2 certified; ...

Place of Origin:China(Mainland)-Guangdong

Brand Name:AMEISON

Model Number:AMXP-8090S-D11L90

... station sector antenna for CDMA GSM System Reliable construction Good appearance Competitive pricing Easy installation Feature: High gain Full day working Optimized dimension Dual polarization Application: CDMA, GSM system Wireless communication and datatransmission sys...

Place of Origin:Shenzhen, China.

Brand Name:AMEISON

Model Number:AMXY-8090-18

CDMA GSM directional yagi antenna Gain is 18dBi Antenna has 18 elements Material is aluminum alloy framework 824-960MHz Directional Yagi Antenna AMXY-8090-18 Feature: High gain Aluminum alloy framework Full day working Optimized dimension Mounting way can be Vertical or Horizontal Application: CDMA...

Place of Origin:China

Brand Name:AMEISON

Model Number:AMXP-8025V-D1215L65

800-2500MHz 12/15 dbi Vertical polarized CDMA GSM 3G 4G WLAN Base station directional antenna Feature: High gain Full day working Optimized dimension Vertical or horizontal Application: CDMA/GSM/PCS/3G/WLAN system Wireless communication and data ...

Brand Name:GREETWIN

Model Number:GW-JM3

Place of Origin:China

... Type CDMA GSM 3G Cell Phone Signal Blocker Device Three Antennas It is a pocket GSM jammer that may be used against GSM, CDMA and other mobile phone networks along with 3G signals. While it has not high output power and only 5 meters of working radius, it...

Brand Name:Deertom

Model Number:DT-YA824-960-15

Place of Origin:SHENZHEN,CHINA

...CDMA GSM Dual Band Features: Outdoor GSM Antenna Feature: GSM Base Station Antenna The yagi antenna is an Outdoor External directional antenna, point to point. Normally works for base station, routers, amplifiers/repeaters/boosters.Multi funcational. Even for Huawei Routers with SMA connectors and long cables. Accessory compatubility :Couplers and splitters. a). CDMA...