Robi - Bangladesh
Robi (Bangladesh) uses 2 GSM bands, 1 UMTS band, and 3 LTE bands. Find out if your unlocked phone or mobile device will work with Robi (Bangladesh). See the tables below for details.
Check device compatibilityCarrier website: https://www.robi.com.bd/
Robi Bangladesh is the second largest mobile network operator in the country, serving over 56.4 million subscribers and representing 30% of the subscriber market share as of the second quarter of 2023. It is a joint venture between Axiata Group Berhad of Malaysia and NTT DoCoMo Inc of Japan. Robi operates a nationwide network with extensive coverage, including 98.5% population coverage with its 4G network, which is supported by more than 16,000 4G sites.
Robi has been instrumental in driving digital growth in Bangladesh, particularly through its innovative digital services. It was the first operator to introduce GPRS and 3.5G services in the country and has continued to pioneer mobile financial services, especially in rural and semi-urban areas. The company has also successfully conducted a trial run of 5G technology and launched Voice over LTE (VoLTE) on its 4.5G network.
Robi has committed to addressing the digital divide by increasing the proportion of female data users through initiatives such as the GSMA’s Connected Women Initiative. This includes enhancing digital literacy among women, increasing smartphone penetration among female subscribers, and developing more female-focused mobile content. The company aims to bridge the mobile gender gap and enhance socio-economic development in Bangladesh by ensuring equal access to the internet for all, regardless of gender.
Frequency Bands
GSM
| Name | Interface | Description |
|---|---|---|
| 900 MHz (E-GSM) | GSM | Robi Bangladesh uses the GSM 900 MHz (E-GSM) frequency band. This band operates from 880.0 to 915.0 MHz for the uplink and from 925.0 to 960.0 MHz for the downlink. |
| 1800 MHz (DCS) | GSM | Robi Bangladesh uses the GSM 1800 MHz (DCS) frequency band. This band operates within the 1.8 GHz frequency range, offering reduced signal interference and greater channel availability compared to the more crowded 900 MHz and 1800 MHz bands used by GSM. The frequency ranges for GSM 1800 are:
This band provides services such as voice communication, text messaging (SMS), and basic data communications, similar to GSM. It is known for its efficient use of the 1.8 GHz band through modulation schemes like Time Division Multiple Access (TDMA) and Frequency Hopping Spread Spectrum (FHSS). |
Supported GSM Protocols
| Name | Generation |
|---|---|
| GPRS | 2.5G |
| EDGE | 2.5G |
UMTS
| Name | Interface | Description |
|---|---|---|
| B1 (2100 MHz) | UMTS | Robi Bangladesh uses the frequency band UMTS B1 (2100 MHz) for its 3G services. This band is widely used for 3G services and is supported by various networks and devices globally. |
Supported UMTS Protocols
| Name | Generation |
|---|---|
| UMTS | 3G |
| HSPA+ | 3.5G (4G speed) |
LTE
| Name | Interface | Description |
|---|---|---|
| B1 (2100 MHz) | LTE | Robi Bangladesh uses LTE Band 1 (2100 MHz) for its 4G services. This band is used for both uplink and downlink transmissions, with a frequency range of 1920 – 1980 MHz for the uplink and 2110 – 2170 MHz for the downlink. The band has a bandwidth of 60 MHz and supports both Frequency Division Duplex (FDD) technology. Robi has been instrumental in deploying this technology to enhance its 4G network coverage and services in Bangladesh. |
| B3 (1800 MHz +) | LTE | Robi Bangladesh uses LTE Band 3 (1800 MHz +) for its LTE deployments. This frequency band is widely used globally, particularly in Europe, APAC, MEA, and selected countries in South America, facilitating international roaming for mobile broadband services. It supports both FDD (Frequency Division Duplex) and TDD (Time Division Duplex) configurations, offering a balance between network coverage and data capacity, making it suitable for dense urban areas. |
| B8 (900 MHz) | LTE | Robi Bangladesh uses the LTE B8 (900 MHz) frequency band for its mobile communications. This band is utilized for both 2G GSM and 4G LTE services. |
Supported LTE Protocols
| Name | Generation |
|---|---|
| LTE | 4G |
