Chang Hong

Chang Hong is a leading manufacturer of high quality RF connectors (BNC, TNC, SMA, SMB, MCX, MMCX etc). Their CNC technology enables quick turnaround on custom connectors at good prices.Chang also manufactures a wide range of RF antenna products (GPS, GSM, LAN, UHF, VHF etc).
Chang Hong Products
Dual outdoor or indoor 9dB patch antenna for LTE and 4G applications. Suitable for ALL networks. Factory fitted with two 5 meter cables with SMA male plugs. Includes pole mounting kit and U bolts Ideal for use with B593 LTE router or similar devices. Make a huge improvement to your LTE performance.
R899.00
Dual outdoor or indoor 7dB Omni antenna for LTE and 3G applications. Suitable for ALL networks. Factory fitted with two 5 meter cables with SMA male plugs. Includes bracket for pole and wall mounting and U bolts (pole not included) Ideal for use with B593 LTE router or similar devices. Make a huge improvement to your LTE performance. easy to install as no alignment to the network tower is required. Installation available in Gauteng on request.
R765.00
The OA-0921-02-01 is a 9dB high gain external wall or pole mount GSM/3G Omni-directional antenna with factory fitted 5 meter CLF200 low loss cable with SMA plug. Supplied with L type mounting bracket kit. Suitable with use with Huawei adaptor cable SMA50HVV00B0300 or SMA60TS900B0120, or with any modem or router product with SMA female receptacle. This will make a vast improvement to the 3G reception and improve and stabilise 3G connectivity for the E3131, whether used on its own or with the D105 Wifi adaptor or HG532S ADSL/3G modem
R745.00
High gain GSM/3G/LTE antenna with N type receptacle and wall bracket. Suitable with use with our standard 5 and 10 meter N plug to SMA plug low loss CLF195 cables.
R565.00
High gain LTE/GSM/3G Omni antenna with N type receptacle and wall bracket. Suitable with use with our standard 5 and 10 meter N plug to SMA plug low loss CLF195 cables.
R549.00
High gain GSM/3G antenna with SMA receptacle and 20 meter cable to SMA plug. Any other connector can be fitted on request. Note: Gain at 850MHz is 15dB, while gain at 1800-1900MHz is above 20dB, making this antenna more suited to 3G frequencies in South Africa. At 2G frequencies it will still provide high gain but will not achieve gain in excess of 15dB.
R1299.00
The GSM31 is a 7dB gain indoor or outdoor antenna with a magnetic base and suction cup. It is provided with a 3m cable with a SMA male plug. The GSM31 has a twin element and omnidirectional radiation pattern, making it ideal for poor signal improvement. Perfect for use with adaptor CRC9 or TS9 adaptors and or adaptor cables SMA50HVV00B0300 or SMA60TS900B-120, or 3G-USB-MATE and our E3131 high speed USB 3G modem, or Huawei 3G router products.
R305.00
The GSM-30 is a powerful robust 5dB gain antenna with a magnetic base and suction cup. It is fitted with 2 meters RG58 cable and a SMA male plug.
R299.00
N type male to SMA female adaptor
R149.50
BNC crimp plug right angle RG58
R75.00
BNC bulkhead crimp jack for RG58
R34.95
Black rubber strain relief boot for RG174 cable. Can be used with SMA, MCX, BNC etc connectors
R5.00
CRC9 crimp plug for RG58. Fits Huawei E122 and E1820 modems and can be fitted to any antenna with RG58 cable, eliminating the need for an adaptor, and thereby reducing cable loss.
R55.00
FAKRA SMB plug blue for GPS connection
R49.00
FAKRA SMB plug purple for GSM connection
R49.00
Dual GSM/GPS Antenna in compact size (55mm diameter x 12 mm thick) with 3 meters RG174 cable. GSM = 3dB gain. Connectors not included in price - please order required connectors in the RF connector section Otto will fit the required connectors to suit customer requirements.
R199.00
High performance outdoor pole mount directional Wifi grid antenna, 24 to 33dB gain. Can be mounted vertically or horizontally and can withstand wind up to 60m/s. Fitted with N type jack. Mounting pole diameter 50-70mm. Cable to be ordered as an extra depending on length the connector required to fit the wifi equipment.
R995.00
Delivers extended access point range between distant sites in a campus like environment Supplied with N-type connector for easy indoor mounting and a bracket for easy outdoor mounting. Light weight, made with weatherproof/corrosion resistant fiberglass radome, 540mm long. Frequency: 2.4GHz ~ 2.5GHz 5 meter low loss cable to SMA RP plug is included. For other length cables contact our sales team
R565.00
High power 18dB Wifi patch antenna 2.4-2.5GHz for outdoor or indoor use. Can withstand wind up to 216km/hr. Fitted with N type jack. Cable to be ordered as an extra depending on length the connector required to fit the wifi equipment. Pole mounting (vertical only), mounting kit is included.
R995.00
High power 14dB Wifi patch antenna 2.4-2.5GHz for outdoor or indoor use. Can be placed in the corner of a building to deliver point to point connections between LANs in separate buildings in a campus type environment. Supplied with a classic arc-adjusting bracket to point 'the face' of the antenna to a target. Cable to be ordered as an extra depending on length the connector required to fit the wifi equipment. Pole mounting (vertical only)
R515.00
The OA-433-0111 is a 5dB high gain external wall or pole mount Omni-directional antenna tuned to 433Mhz It is supplied with an N type female jack and with L type mounting bracket kit. This will make a vast improvement to 433Mhz operation.
R599.00
MMCX jack vertical PCB mount
R29.90
N Type plug straight crimp for RG58
R46.80
N Type plug straight crimp for LMR400
R46.80
N Type bulkhead crimp jack for RG174 with rubber O ring
R58.50
N Type inline clamp jack for LMR400
R76.70
N Type bulkhead crimp jack for1.13mm microcable with rubber O ring
R58.50
SMA plug straight crimp for RG58, CLF195, LMR195 etc
R29.90
SMA plug straight crimp for RG178
R29.90
SMA plug straight crimp for RG174
R29.90
SMA plug straight crimp for 1.13mm microcable
R33.80
SMA reverse polarity (female pin) plug straight crimp for RG58
R52.65
SMA plug right angle crimp for RG223
R43.55
SMA plug right angle crimp for RG58
R43.55
SMA plug right angle crimp for RG174
R43.55
SMA plug right angle crimp for RG178
R43.55
SMA bulkhead crimp jack for RG58, CLF195, LMR195
R29.90
SMA inline crimp jack for CLF240, LMR240 low loss cable
R35.00
SMA bulkhead crimp jack for RG174
R29.90
SMA cable jack female right angle female crimp for RG174
R35.00
SMA bulkhead crimp jack for RG178
R37.70
SMA bulkhead crimp jack for 1.13mm micro cable (U.FL type)
R37.70
SMA reverse polarity bulkhead crimp jack for RG174 with male centre pin.
R46.80
SMA Reverse Polarity (male pin) bulkhead crimp jack for RG174 with O ring for watertight seal
R58.50
SMA jack straight PCB
R37.70
SMA jack PCB, edge mount
R40.95
SMA jack for vertical or edge PCB mounting
R40.95
SMB plug straight crimp for RG174
R29.90
SMB bulkhead crimp jack for 1.13mm micro cable (U.FL type)
R28.90
SMB bulkhead crimp jack for RG174
R28.90
SMC bulkhead crimp jack for RG for 1.13mm micro cable
R24.70
TNC plug straight crimp for RG174
R24.00
TNC plug straight crimp reverse polarity for RG58 (female pin)
R28.90
TNC jack straight inline female for RG58
R28.90
TNC jack bulkhead RG174 with rubber O ring
R37.70
TNC jack bulkhead female RG178 with rubber O ring
R37.70
UHF crimp plug for RG213 or LMR400
R49.00