Products

Suppliers
Filter Gallery
9,395

Wholesale Gsm Quad Band

Products
Signal Booster Wireless Phone Signal Repeater Amplifier Gsm Antenna Security Alarm System Mobile Phone Repeater

Sorry! No matches were found.

GSM Watch Mobile Phone Ultra Thin Quad-Band

GSM Watch Mobile Phone Ultra Thin Quad-Band

1 Piece (MOQ)
More
Main Products: Phone Jammer, Signal Jammer Blocker, Cellphone Jammer, Signal Shield, Phone Blocker, Voice Recorder, Car DVR, CCTV Surveillance DVR, GPS Tracker, Watch Phone
Contact Supplier
Shenzhen Keenpower Electronic Limited

Manufacturer/Factory,Trading Company

Guangdong, China
Chat Now Send Inquiry
Uniwa Dm66 1.99 Inch IPS Global Version 4G Android Smart Watch

Uniwa Dm66 1.99 Inch IPS Global Version 4G Android Smart Watch

US $ 76-89 / Piece FOB
10 Pieces (MOQ)
More
Feature : 3G, WiFi, Bluetooth, Water Resistant
Contact Supplier
Audited Supplier Audited Supplier Since 2007
Shenzhen Connectech Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2007
Chat Now Send Inquiry
Uniwa Dm66 IP54 Waterproof 4G Android Smart Watch Phone with Sos Function

Uniwa Dm66 IP54 Waterproof 4G Android Smart Watch Phone with Sos Function

US $ 74-87 / Piece FOB
20 Pieces (MOQ)
More
Main Products: Mobile Phone, Cell Phone, Smart Phone, Tablet PC, Android Tablet, Rugged Tablet, PDA, Walkie Talkie, Rugged Phone, 5g Phone
Contact Supplier
Audited Supplier Audited Supplier Since 2007
Shenzhen Connectech Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2007
Chat Now Send Inquiry
Uniwa Dm66 WiFi GPS Navigation 4G Smart Watch Phone with SIM Card

Uniwa Dm66 WiFi GPS Navigation 4G Smart Watch Phone with SIM Card

US $ 71-85 / Piece FOB
50 Pieces (MOQ)
More
Usage : Communication
Contact Supplier
Audited Supplier Audited Supplier Since 2007
Shenzhen Connectech Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2007
Chat Now Send Inquiry
2024 New Bracelet GPS Smart Watch Wristband Bio Measurement Watch for Elderly Quarantine People

2024 New Bracelet GPS Smart Watch Wristband Bio Measurement Watch for Elderly Quarantine People

US $ 56-60 / Piece FOB
1 Piece (MOQ)
More
Main Products: GPS Tracker, GPS Tracking Device, Car GPS Tracker, Offender GPS Tracker, Vehicle GPS Tracker, Motorcycle GPS Tracker, GPS Tracking System
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Rope Innovation Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry
2024 4G LTE Location Sos Dual Call Waterproof Children Elderly GPS Smartwatch

2024 4G LTE Location Sos Dual Call Waterproof Children Elderly GPS Smartwatch

US $ 56-60 / Piece FOB
1 Piece (MOQ)
More
Warranty : 1 Year
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Rope Innovation Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry
OEM Smart Watch Usim Phone Waterproof 3G+32g 4G GPS Smartwatch

OEM Smart Watch Usim Phone Waterproof 3G+32g 4G GPS Smartwatch

US $ 102.75-103.23 / Piece FOB
1 Piece (MOQ)
More
Main Products: Bluetooth Earphone, Smart Watch, Tws Earphone, Bluetooth Headphone, Game Headset, Game Keyboard, Game Mouse, Charger, Cable, Smart Ring
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Huizhou Simba Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2021
Chat Now Send Inquiry
4G LTE Small GPS Tracking Chips for Sale Child Anti Kid Elderly GPS Tracker with Sos Button and APP

4G LTE Small GPS Tracking Chips for Sale Child Anti Kid Elderly GPS Tracker with Sos Button and APP

US $ 56-60 / Piece FOB
1 Piece (MOQ)
More
Certification : RoHS, ISO2000, FCC, CE
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Rope Innovation Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry
Kids GPS Tracker with Watch, Phone, GPS Traking Function Gpt18

Kids GPS Tracker with Watch, Phone, GPS Traking Function Gpt18

US $ 28-32 / Piece FOB
1 Piece (MOQ)
More
Main Products: GPS Tracking, GPS, GPS Tracker, Vehicle GPS Tracker, Personal/Pets GPS Position, GPS Wattch, Portable GPS Tracker, Car GPS Tracker, GPS Phone, GPS Module
Contact Supplier
Audited Supplier Audited Supplier Since 2014
Shenzhen Eelink Communication Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2014
Chat Now Send Inquiry
4G Smart Watch K600 Waterproof Usim GPS Smartwatch

4G Smart Watch K600 Waterproof Usim GPS Smartwatch

US $ 127.8-128.5 / Piece FOB
1 Piece (MOQ)
More
Usage : Detection, Communication
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Huizhou Simba Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2021
Chat Now Send Inquiry
2024 New Design 4G LTE Touch Screen Elderly GPS Tracking with Sos Button and APP Smart Phone Watch

2024 New Design 4G LTE Touch Screen Elderly GPS Tracking with Sos Button and APP Smart Phone Watch

US $ 56-60 / Piece FOB
1 Piece (MOQ)
More
Main Products: GPS Tracker, GPS Tracking Device, Car GPS Tracker, Offender GPS Tracker, Vehicle GPS Tracker, Motorcycle GPS Tracker, GPS Tracking System
Contact Supplier
Audited Supplier Audited Supplier Since 2017
Rope Innovation Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2017
Chat Now Send Inquiry
K600 Smart Watch Usim Phone Waterproof 4G GPS Smartwatch

K600 Smart Watch Usim Phone Waterproof 4G GPS Smartwatch

US $ 85.8-86.5 / Piece FOB
1 Piece (MOQ)
More
Display : TFT
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Huizhou Simba Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2021
Chat Now Send Inquiry
GPS Tracker Smart Phone POS Terminal & Cash Register Communication Module Smartwatch Repeater
1.5nch TFT Touch Screen Quad-Bands Bluetooth Generous Watchphone Mobile Phon

1.5nch TFT Touch Screen Quad-Bands Bluetooth Generous Watchphone Mobile Phon

1 Piece (MOQ)
More
Main Products: Phone Jammer, Signal Jammer Blocker, Cellphone Jammer, Signal Shield, Phone Blocker, Voice Recorder, Car DVR, CCTV Surveillance DVR, GPS Tracker, Watch Phone
Contact Supplier
Shenzhen Keenpower Electronic Limited

Manufacturer/Factory,Trading Company

Guangdong, China
Chat Now Send Inquiry
Gauntlet - Stainless Steel Quad Band Watchphone + MP4

Gauntlet - Stainless Steel Quad Band Watchphone + MP4

1 Piece (MOQ)
More
Accessories : Jammers
Contact Supplier
Shenzhen Keenpower Electronic Limited

Manufacturer/Factory,Trading Company

Guangdong, China
Chat Now Send Inquiry
Wireless Module Mc55I GSM Module GPRS Quad-Band Industrial Module

Wireless Module Mc55I GSM Module GPRS Quad-Band Industrial Module

US $ 4.99-9.99 / Piece FOB
10 Pieces (MOQ)
More
Main Products: GSM Module, GPRS Module, GPS Module, GSM Modem, Electronics Parts
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Shenzhen Heartsea Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
New and Original SIM808 SIM800L GSM/GPRS+Gnss GPS Module Quad-Band 850/900/1800/1900MHz in Stock PCBA Board

New and Original SIM808 SIM800L GSM/GPRS+Gnss GPS Module Quad-Band 850/900/1800/1900MHz in Stock PCBA Board

US $ 0.1-0.9 / Piece FOB
1 Piece (MOQ)
More
Mechanical Rigid : Rigid
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Shenzhen Jingxin Electronic Technology Co., Ltd.

Manufacturer/Factory,Trading Company,Group Corporation

Guangdong, China Since 2022
Chat Now Send Inquiry
with SMA Male Quad Band GSM Flexible Antenna

with SMA Male Quad Band GSM Flexible Antenna

US $ 0.5-1.2 / Piece FOB
10 Pieces (MOQ)
More
Main Products: GPS Antenna, GSM Antenna, 3G/4G Antenna, Glonass Antenna, DVB-T Antenna, WiFi Antenna, GPS/Beidou Antenna, Connector, RF Cables, G-Mouse Antenna
Contact Supplier
Audited Supplier Audited Supplier Since 2011
Gaoke Ant Co., Ltd.

Manufacturer/Factory,Trading Company,Other,Group Corporation

Guangdong, China Since 2011
Chat Now Send Inquiry
Newest Quad Band Repeater GSM 900MHz Dcs 1800MHz UMTS 2100MHz 4G Lte 2600MHz Cell Phone Signal Booster Mobile Phone Repeater for Office

Newest Quad Band Repeater GSM 900MHz Dcs 1800MHz UMTS 2100MHz 4G Lte 2600MHz Cell Phone Signal Booster Mobile Phone Repeater for Office

US $ 90-105 / Piece FOB
10 Pieces (MOQ)
More
Lightning Protection : With Lightning Protection
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Foshan Sigbari Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2020
Chat Now Send Inquiry
Intelligent Wireless Burglar Alarm System with Quad Band GSM Frequency

Intelligent Wireless Burglar Alarm System with Quad Band GSM Frequency

US $ 40-60 / Set FOB
1 Set (MOQ)
More
Main Products: Alarm System, Security Products, Beam Sensor, Alarm, Door Magnetic Switch, GSM Alarm, Remote Control Switch, Door Sensor Window Sensor, Strobe Siren, Photoelectric Beam Detector
Contact Supplier
Audited Supplier Audited Supplier Since 2014
Ease Security Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2014
Chat Now Send Inquiry
SIM900 Quad Band GSM GPRS Development Board

SIM900 Quad Band GSM GPRS Development Board

US $ 1.5-3.78 / pieces FOB
1 pieces (MOQ)
More
Base Material : FR-4
Contact Supplier
Audited Supplier Audited Supplier Since 2024
Guangdong Global Well Electronic Limited

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Related Videos
  • What is Uniwa Dm66 1.99 Inch IPS Global Version 4G Android Smart Watch
    What is Uniwa Dm66 1.99 Inch IPS Global Version 4G Android Smart Watch
    Negotiable
    10 Pieces (MOQ)
    Contact Supplier
  • What is Uniwa Dm66 IP54 Waterproof 4G Android Smart Watch Phone with Sos Function
    What is Uniwa Dm66 IP54 Waterproof 4G Android Smart Watch Phone with Sos Function
    Negotiable
    20 Pieces (MOQ)
    Contact Supplier
  • What is Uniwa Dm66 WiFi GPS Navigation 4G Smart Watch Phone with SIM Card
    What is Uniwa Dm66 WiFi GPS Navigation 4G Smart Watch Phone with SIM Card
    Negotiable
    50 Pieces (MOQ)
    Contact Supplier
  • What is 2024 New Bracelet GPS Smart Watch Wristband Bio Measurement Watch for Elderly Quarantine People
    What is 2024 New Bracelet GPS Smart Watch Wristband Bio Measurement Watch for Elderly Quarantine People
    Negotiable
    1 Piece (MOQ)
    Contact Supplier
Wireless GSM GPS Module Quad-Band Antenna for GPS GSM Module

Wireless GSM GPS Module Quad-Band Antenna for GPS GSM Module

US $ 2.2-2.9 / Piece FOB
10 Pieces (MOQ)
More
Main Products: Communication Antennas, WiFi Antennas, RF Connectors, Cable, Fiberglass Antenna, 5GHz Antenna
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Shenzhen Keesun Technology Co., Ltd.

Manufacturer/Factory,Trading Company

Guangdong, China Since 2023
Chat Now Send Inquiry
Factory Wholesale Vehicle GPS Tracker for Fleet Management Geofencing Alerts Platform System

Factory Wholesale Vehicle GPS Tracker for Fleet Management Geofencing Alerts Platform System

US $ 19.5-22 / Piece FOB
10 Pieces (MOQ)
More
Warranty : 1 Year
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Guangzhou T-Mark Technology Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
900/1800/2100/2600MHz (B8/B3/B1/B7) Mobile Cell Phone Network Booster Four Band Quad Band 2g 3G 4G LTE GSM Cellular Signal Repeater Amplifier

900/1800/2100/2600MHz (B8/B3/B1/B7) Mobile Cell Phone Network Booster Four Band Quad Band 2g 3G 4G LTE GSM Cellular Signal Repeater Amplifier

US $ 65-72 / Piece FOB
1 Piece (MOQ)
More
Main Products: Cellphone Signal Booster, Drone Signal Jammer, WiFi Signal Booster, Cellphone Signal Jammer, Signal Amplifier Module, Signal Jammer Module, Uav Jammer
Contact Supplier
Since 2024
Shenzhen Dingruifeng Communication Technology Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Waterproof Animal GPS Tracker GSM Quad-Band Real-Time Tracking

Waterproof Animal GPS Tracker GSM Quad-Band Real-Time Tracking

US $ 39-49 / Piece FOB
10 Pieces (MOQ)
More
Certification : RoHS, ISO/TS16949, FCC, CE
Contact Supplier
Audited Supplier Audited Supplier Since 2021
Kad Technology Co.,Limited

Manufacturer/Factory

Guangdong, China Since 2021
Chat Now Send Inquiry

Not exactly what you want?

Post Sourcing Request

Wholesale Price Waterproof Anti-Lost Long Standby Portable for Personal Valuables Car and Bike

Wholesale Price Waterproof Anti-Lost Long Standby Portable for Personal Valuables Car and Bike

US $ 17.5-21 / piece FOB
2 piece (MOQ)
More
Main Products: GPS Tracker, Car Tracker, GPS Vehicle Locator, E-Bike Positioning Device, Anti-Theft GPS Tracker
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Guangzhou T-Mark Technology Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
2024 New Arrival 2g 3G 4G Repeater Quad Band B20/B8/B3/B1 800/900/1800/2100MHz Smart LCD Display CE Approval with AGC Mgc GSM UMTS LTE Cell Phone Repeater

2024 New Arrival 2g 3G 4G Repeater Quad Band B20/B8/B3/B1 800/900/1800/2100MHz Smart LCD Display CE Approval with AGC Mgc GSM UMTS LTE Cell Phone Repeater

US $ 425-450 / Piece FOB
10 Pieces (MOQ)
More
Transmission Medium : Cable
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Foshan Sigbari Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2020
Chat Now Send Inquiry
Gl865-Quad GSM GPRS Embedded Quad-Band 2g Module

Gl865-Quad GSM GPRS Embedded Quad-Band 2g Module

US $ 9 / Piece FOB
1 Piece (MOQ)
More
Main Products: GSM Module, GPRS Module, GPS Module, GSM Modem, Electronics Parts
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Shenzhen Heartsea Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
2024 New Arrival Amplifier 2g 3G 4G Quad Band 900/1800/2100/2600MHz Smart LCD Display CE Approval with AGC Mgc GSM UMTS LTE Cell Phone Amplificador

2024 New Arrival Amplifier 2g 3G 4G Quad Band 900/1800/2100/2600MHz Smart LCD Display CE Approval with AGC Mgc GSM UMTS LTE Cell Phone Amplificador

US $ 425-450 / Piece FOB
10 Pieces (MOQ)
More
Certification : ISO, GS, RoHS, CE
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Foshan Sigbari Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2020
Chat Now Send Inquiry
High Quality GSM Quad Band Antenna

High Quality GSM Quad Band Antenna

100 Pieces (MOQ)
More
Main Products: GPS Antenna, GSM Antenna, GPS/GSM Antenna, Antenna, WiFi Antenna, GPS Avtive Antenna, Car Antenna, LTE Antenna, Bd Antenna, Radio Antenna
Contact Supplier
Audited Supplier Audited Supplier Since 2007
JC Antenna

Manufacturer/Factory,Trading Company,Group Corporation

Zhejiang, China Since 2007
Chat Now Send Inquiry
Hot Selling 8-Inc SIM Card 4G FHD 800nits Screen Gnss U-Bloxx M7n Industri Intel Quad Core GSM Windows Rugged Tablet-PC

Hot Selling 8-Inc SIM Card 4G FHD 800nits Screen Gnss U-Bloxx M7n Industri Intel Quad Core GSM Windows Rugged Tablet-PC

US $ 340-378 / Piece FOB
10 Pieces (MOQ)
More
Special Features : Fast Charging, Media Card Reader, Stereo Speakers
Contact Supplier
Audited Supplier Audited Supplier Since 2007
Shenzhen Connectech Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2007
Chat Now Send Inquiry
Best Price Long Standby Wireless Tracker 2g GPS From T-Mark Wholesale Anti-Lost Portable Tracking Device

Best Price Long Standby Wireless Tracker 2g GPS From T-Mark Wholesale Anti-Lost Portable Tracking Device

US $ 21-27 / piece FOB
2 piece (MOQ)
More
Main Products: GPS Tracker, Car Tracker, GPS Vehicle Locator, E-Bike Positioning Device, Anti-Theft GPS Tracker
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Guangzhou T-Mark Technology Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
Lightweight Backpack High Power Quad Band GSM 3G 4G 5g WiFi5.8 Jammer

Lightweight Backpack High Power Quad Band GSM 3G 4G 5g WiFi5.8 Jammer

1 Piece (MOQ)
Contact Supplier
Audited Supplier Audited Supplier Since 2010
Wolves Team Limited

Manufacturer/Factory

Guangdong, China Since 2010
Chat Now Send Inquiry
Wholesale Market Feature Phone Small Mobile 2.4-Inch 1050mAh Built-in Battery Dual SIM GSM Old Classic Design

Wholesale Market Feature Phone Small Mobile 2.4-Inch 1050mAh Built-in Battery Dual SIM GSM Old Classic Design

US $ 12.99-14.9 / Piece FOB
500 Pieces (MOQ)
More
Main Products: 25W Charger, 35W Charger, Smart Phone, Mobile Phone, Feature Phone, Tws, Smart Watch, Mobile Phone Case
Contact Supplier
Since 2024
Shenzhen Shangyi Jinggong Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2024
Chat Now Send Inquiry
Wireless Module Mc55I Mc55I-W GSM Module GPRS Quad-Band Industrial Module

Wireless Module Mc55I Mc55I-W GSM Module GPRS Quad-Band Industrial Module

US $ 13.9-16.5 / Piece FOB
5 Pieces (MOQ)
More
Information content : Data
Contact Supplier
Audited Supplier Audited Supplier Since 2022
Shenzhen Heartsea Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2022
Chat Now Send Inquiry
Wireless Wholesale Waterproof Car Vehicle GPS Tracker Remote Monitoring Real Time

Wireless Wholesale Waterproof Car Vehicle GPS Tracker Remote Monitoring Real Time

US $ 21-27 / Piece FOB
2 Pieces (MOQ)
More
Main Products: GPS Tracker, Car Tracker, GPS Vehicle Locator, E-Bike Positioning Device, Anti-Theft GPS Tracker
Contact Supplier
Audited Supplier Audited Supplier Since 2023
Guangzhou T-Mark Technology Co., Ltd

Manufacturer/Factory

Guangdong, China Since 2023
Chat Now Send Inquiry
Newest Quad Band Repeater GSM 900MHz Dcs 1800MHz UMTS 2100MHz 4G EU Lte 800MHz Cell Phone Signal Booster Mobile Phone Repeater for Office

Newest Quad Band Repeater GSM 900MHz Dcs 1800MHz UMTS 2100MHz 4G EU Lte 800MHz Cell Phone Signal Booster Mobile Phone Repeater for Office

US $ 90-105 / Piece FOB
10 Pieces (MOQ)
More
Certification : ISO, GS, RoHS, CE
Contact Supplier
Audited Supplier Audited Supplier Since 2020
Foshan Sigbari Technology Co., Ltd.

Manufacturer/Factory

Guangdong, China Since 2020
Chat Now Send Inquiry
Signal Booster Wireless Phone Signal Repeater Amplifier Gsm Antenna Security Alarm System Mobile Phone Repeater
View More

Related Searches

GPS GSM Tracker GSM GPS Car Gsm Gps Navigation GPS GSM Tracking GSM Tracking System Tracker Gps Gsm Tracking Gsm Tracking Devices Gsm Gps Tracking Device Gps Gsm Tracker For Cars C Band Antenna

Browse by Categories

Home > Sporting Goods & Recreation > Pet Supplies > GPS Tracker
1/261
TOP

Search Filter

Categories

More Less
  • GPS Tracker
  • Smart Phone
  • POS Terminal & Cash Register
  • Communication Module
  • Smartwatch
  • Repeater
  • Call Center Equipment
  • Fixed Wireless Terminals
  • Feature Phone
  • Other Mobile Phone Accessories

Display

More Less
  • IPS
  • Amoled
  • OLED
  • TFT

Feature

More Less
  • WiFi
  • 3G
  • Bluetooth
  • Water Resistant

Material

More Less
  • Silicone
  • Plastic
  • Rubber

Usage

More Less
  • Communication
  • Detection

Company Type

More Less
  • Manufacturer/Factory
  • Trading Company
  • Group Corporation
  • Individuals/SOHO
  • Other

Company Location

More Less
  • Guangdong
  • Shanghai
  • Jiangsu
  • Hunan
  • Zhejiang
  • Tianjin
  • Fujian
  • Anhui
  • Jiangxi
  • Hubei
  • Hongkong S.A.R.
  • Beijing
  • Taiwan, China
  • Shaanxi
  • Shandong
  • Liaoning
  • Chongqing
  • Hebei
  • Sichuan
Reset Done